item: #1 of 158 id: jtfe-1056 author: Subasinghe, SMCUP title: Prediction of stem biomass of Pinus caribaea growing in the low country wet zone of Sri Lanka date: 2014-06-18 words: 4021 flesch: 62 summary: Such practices may be impossibly expensive and therefore much attention has been paid to the development of techniques to estimate tree biomass from easily measured tree characteristics. Therefore it used a core sample analysis to estimate the biomass of the main stem and therefore much attention has been paid to the development of techniques to estimate tree biomass from easily measured tree characteristics. keywords: biomass; carbon; core; density; forest; height; model; stem; trees cache: jtfe-1056.pdf plain text: jtfe-1056.txt item: #2 of 158 id: jtfe-1057 author: Priyangika, BAS; De Silva, BGDNK; Jayatunga-Katuwawalage, DPW; Wickramasinghe, MB title: The association of environmental changes and the replacement of mosquito fauna in the Colombo District, Sri Lanka date: 2014-06-18 words: 3349 flesch: 61 summary: univittatus, Cx. aculeatus, Cx. purplexus, Cx. spiculosus, Cx. univittatus, Cx. aculeatus, Cx. purplexus, Cx. spiculosus, Cx. keywords: colombo; cux; lanka; mosquito; species; sri; study cache: jtfe-1057.pdf plain text: jtfe-1057.txt item: #3 of 158 id: jtfe-1059 author: Divakara, BN title: Relationship of seed traits on initial progeny growth performance and divergence studies in Madhuca latifolia Macb. for further use in tree improvement date: 2014-12-27 words: 6835 flesch: 61 summary: Keeping precarious scenario in view, an effort was made to investigate the relationship of seed traits with initial progeny growth performance for early selection and divergence studies to understand the diversity among 23 accessions for assessment and creation of diverse lines in M. latifolia for further use in tree improvement. Correlation establishes the extent and cause of association between seed traits and its attributes so that these components may form additional criteria for selection in breeding program. keywords: cluster; content; diversity; genotypes; genotypic; index; oil; seed; selection; table; traits; volume; weight cache: jtfe-1059.pdf plain text: jtfe-1059.txt item: #4 of 158 id: jtfe-1117 author: Subasinghe, S.M.C.U.P. title: Sandalwood Research: A Global Perspective date: 2013-04-24 words: 4435 flesch: 50 summary: Sandalwood oil extracted from the heartwood has been used for perfumery, medicinal, religious and cultural purposes over centuries of years. These studies mainly focused on producing higher contents of sandalwood oils with a better survival rate. keywords: 2012; album; hawaii; oil; research; s. album; sandalwood; santalum; species; studies cache: jtfe-1117.pdf plain text: jtfe-1117.txt item: #5 of 158 id: jtfe-1118 author: Liyanage, W.K.D.D.; Gamage, N.S.; Pushpa Kumara, G.D.C; Xulong, L title: An Assessment of the Contribution of an Analog Forest as a Sustainable Land-use Ecosystem for the Development of Rural Green Economy in Sri Lanka date: 2013-04-24 words: 4052 flesch: 51 summary: Therefore, analog forest ecosystem plays a major role in enhancing the development of the rural green economy of Sri Lanka. Microsoft Word - 2 Liyanage Liyanage et al., /Journal of Tropical Forestry and Environment Vol. 3, No. 01 (2013) 9-16 9 An Assessment of the Contribution of an Analog Forest as a Sustainable Land-use Ecosystem for the Development of Rural Green Economy in Sri Lanka W.K.D.D. Liyanage 1,2,3,* , S.N. Gamage 3 , G.D.C. Pushpa Kumara 3 and L. Xulong 2 1 Forest Department of Sri Lanka, Divisional Forest Office, Nuwara Eliya, Sri Lanka 2 China University of Geosciences, No. 388, Lumo Road, Wuhan, Hubei, 430074, P.R. China 3 Land Owners Restore Rainforests in Sri Lanka (LORRIS), Bangamukande Estate, Pitigala, Sri Lanka Date Received: 20-11-2012 Date Accepted: 12-03-2013 Abstract Large scale clearing of natural forests for human settlements as well as in the form of tea, rubber and cinnamon plantations resulted forest fragmentation in most natural ecosystems in the wet zone of Sri Lanka which posed massive threats to both nature and the humans including the loss of biodiversity, environmental hazards and increasing poverty. keywords: analog; area; biodiversity; forest; fruit; land; lanka; liyanage; plants; project; sri; timber cache: jtfe-1118.pdf plain text: jtfe-1118.txt item: #6 of 158 id: jtfe-1119 author: Kuruppuarachchi, K. A. J. M.; Seneviratne, G.; Madurapperuma, B. D. title: Drought Induced Fine Root Growth and Canopy Green-up of Tropical Dry Zone Vegetations in Sri Lanka date: 2013-04-24 words: 3199 flesch: 65 summary: This study evaluates year round dynamics of fine roots in a tropical dry mixed evergreen forest and an arboretum in the dry zone of Sri Lanka. The soils were air dried, sieved (< 2 mm), and fine roots (≤ 2 mm) were separated by handpicking coupled with a water floating technique. keywords: arboretum; dry; forest; root; soil; zone cache: jtfe-1119.pdf plain text: jtfe-1119.txt item: #7 of 158 id: jtfe-1120 author: Dissanayake, D. M. A. J.; Hettiarachchi, P. L. title: Floristic Composition of Home-garden Systems in Dumbara (Knuckles) Conservation Area with an emphasis on Endemic Species date: 2013-04-24 words: 6090 flesch: 54 summary: • To identify the endemics, naturalized exotics and timber trees in the study area • To identify plant species and highly disturbed villages for conservation 2. Plant species in Debrageaceae, Lecythidaceae and Melastomataceae were recorded only in Pitawala home gardens. keywords: area; diversity; dumbara; forest; frequency; gardens; home; individuals; number; plant; polommana; species; study; villages cache: jtfe-1120.pdf plain text: jtfe-1120.txt item: #8 of 158 id: jtfe-1121 author: Unanaonwi, O.E; Bada, S.O. title: Effect of Tree Height and Girth on Gum Yield of Acacia senegal L. in Savanna Woodland of Nigeria date: 2013-04-24 words: 3088 flesch: 72 summary: There were no trees found within height >2.5m and the highest tree was 2.08m. Silvicultural manipulations for increased tree height would therefore not favour increased gum yield. Microsoft Word - 5 Okpo Unanaonwi & Olufemi /Journal of Tropical Forestry and Environment Vol. 3, No. 01 (2013) 40-44 37 Effect of Tree Height and Girth on Gum Yield of Acacia senegal L. in Savanna Woodland of Nigeria O.E. Unanaonwi 1* and S.O. Bada 2 1 Department of Biological Sciences, Federal University, Otueke, Bayelsa State, Nigeria 2 Department of Forest Resources Management, University of Ibadan, Nigeria Date Received: 29-11-2012 Date Accepted: 28-03-2013 Abstract Parameters influencing gum yield such as tapping techniques and soil mineral elements had earlier been investigated while there is dearth of information on effect of morphological characteristics on gum yield. keywords: class; girth; gum; height; tree; yield cache: jtfe-1121.pdf plain text: jtfe-1121.txt item: #9 of 158 id: jtfe-1122 author: Katupotha, J. title: Palaeoclimate change during Glacial Periods: Evidence from Sri Lanka date: 2013-04-24 words: 6909 flesch: 55 summary: Sri Lanka emerged as a separate landmass between201.3 and 166.1 Ma (Lower and Middle Jurassic), when the landmass was positioned within 52 o S-55 o S and 17 o E-22 o E. Sri Lanka reached its present positionwithin 5º 52´N-9º 54´N and 79º 30´E-81º 55´E at sometime between Lower and Middle Pleistocene Glacial Sediments from Weuda Sri Lanka, Sedimentary Geology 30, 1-14. keywords: boulders; climate; deposits; erratic; ice; jurassic; katupotha; lanka; period; present; sri; sri lanka cache: jtfe-1122.pdf plain text: jtfe-1122.txt item: #10 of 158 id: jtfe-1123 author: Shermila, W.G.D.D.M.; Wikramasinghe, S. title: Composition of Mix Species Foraging Flocks of Birds in Riverstan of Montane Region, Sri Lanka date: 2013-04-24 words: 3715 flesch: 63 summary: Some habitats have a high number of species that form mixed species flocks and should be given top priority in conservation decisions. Group A had bird species which used canopy and sub-canopy as feeding niche. keywords: bird; flocks; flycatcher; foraging; lanka; number; riverstan; species; sri cache: jtfe-1123.pdf plain text: jtfe-1123.txt item: #11 of 158 id: jtfe-1124 author: Fernando, H. S. D.; Karunaratne, M. M. S. C. title: Mella (Olax zeylanica) Leaves as an Eco-friendly Repellent for Storage Insect Pest Management date: 2013-04-24 words: 2733 flesch: 54 summary: Stored rice seeds and milled rice is prone to be infested by rice weevils, Sitophilus oryzae L. (Coleoptera: Curculionidae), causing heavy economic losses. Results and Discussion According to Figure 2, it is clear that the volatiles of leaf powders of O. zeylanica played a significant role on rice weevils by repelling them away from the treated chamber to the outer container. keywords: extracts; leaves; oryzae; repellent; rice; weevils cache: jtfe-1124.pdf plain text: jtfe-1124.txt item: #12 of 158 id: jtfe-141 author: Cooray, Suvinda Kalhara; Piyadasa, R.U.K.; Wickramasinghe, D. title: SPATIAL VARIABILITY OF SOIL CHARACTERISTICS ALONG A LANDSCAPE GRADIENT IN BELLANWILA-ATTIDIYA AREA date: 2012-05-22 words: 3635 flesch: 50 summary: Although adequate attention has been paid to water and biodiversity components of wetlands, there are only a few studies that describe wetland soils in Sri Lanka (Atapattu et al., 2007). Development of indices to predict phosphorus release from wetland soils, Journal of Environmental Quality, Volume 38, May–June 2009, 878-886. keywords: area; functioning; industrial; paddy; residential; soil; surface; use; water; wetland cache: jtfe-141.pdf plain text: jtfe-141.txt item: #13 of 158 id: jtfe-1672 author: Warrier, Rekha R; Sing, BG; Balaji, C; Priyadarshini, P title: Storage Duration and Temperature Effects of Strychnos potatorum Stock Solutions on its Coagulation Efficiency date: 2014-12-27 words: 4953 flesch: 58 summary: For stock solutions which were stored in refrigerator, shelf life was extended upto seven days, and the turbidity removal efficiencies improved from 45.9% to 63.8% for low and 43.7% to 64.9 % for high turbidity water samples, respectively. The turbidity removal efficiencies improved from 31.5 to 52.4 for low and 26.1 to 29.4% for high turbidity water samples, respectively. keywords: low; medium; potatorum; removal; samples; storage; turbidity; turbidity removal; water cache: jtfe-1672.pdf plain text: jtfe-1672.txt item: #14 of 158 id: jtfe-1817 author: Madurapperuma, BD; Kuruppuarachchi, KAJM title: Detecting land-cover change using mappable vegetation related indices: A case study from Sinharaja Man and the Biosphere Reserve date: 2014-06-18 words: 3580 flesch: 55 summary: Seedling growth of Shorea section Doona (Dipterocarpaceae) in soils from topographically different sites of Sinharaja rain forest in Sri Lanka, in: Swaine, M.D., (Ed.), Man and the Biosphere Series, UNESCO, Paris, Parthenon Publishing, Carnforth, UK, pp 245-263. http://www.bgci.org/files/Dublin2010/papers/Dilhan-M-A-A-B.pdf Madurapperuma & Kuruppuarachchi/Journal of Tropical Forestry and Environment Vol. 4, No 01 (2014) 50-58 58 Gunatilleke, I.A.U.N., Gunatilleke, C.V.S., Dilhan, M.A.A.B., 2005. Forest cover change in Sri Lanka: The role of small scale farmers. keywords: 2005; cover; forest; gunatilleke; land; lanka; mab; reserve; sinharaja; sri; vegetation cache: jtfe-1817.pdf plain text: jtfe-1817.txt item: #15 of 158 id: jtfe-1819 author: Jayasiri, HB; Purushothaman, CS; Vennila, V title: Occurrence of polycyclic aromatic hydrocarbons (PAHs) in beached plastic pellets from Mumbai coast, India date: 2014-06-18 words: 5349 flesch: 57 summary: Overall mean revealed that LPAHs (2-3 ring compounds) were predominant over HPAHs in beach plastic pellets of Mumbai with 60% of total PAHs (Fig. 4). The environmental consequence of plastic pellets is the sorption of organic pollutants on their surface from the sea surface microlayer (SML) where the hydrophobic contaminants are known to be enriched. keywords: beaches; compounds; environment; et al; hydrocarbons; jayasiri; journal; marine; mumbai; oil; pahs; pellets; plastic; pollution; sources cache: jtfe-1819.pdf plain text: jtfe-1819.txt item: #16 of 158 id: jtfe-1827 author: Karyati, K; Ipor, IB; Jusoh, I; Wasli, ME title: Soil Properties under Various Stages of Secondary Forests at Sarawak, East Malaysia date: 2014-06-18 words: 6251 flesch: 62 summary: Ecology and management of forest soils, 3 rd John Wiley & Sons, Inc, USA. Harris, R. W., 1992. The knowledge of forest soil properties is essential to understand the change and development process under various stages secondary forests. keywords: belukar; depth; fallow; forest; properties; sarawak; soil; study; temuda cache: jtfe-1827.pdf plain text: jtfe-1827.txt item: #17 of 158 id: jtfe-1831 author: Perera, AD; Gunarathne, RMUK title: Die-out of Manilkara hexandra from Bundala National Park, Sri Lanka: Causes and some possible underlying mechanisms date: 2014-06-18 words: 7226 flesch: 62 summary: Type of threats Forest type PD forest stand DS DTSD forests TSD forests SJ % of dead M. hexandra trees 100 98(±2) 60(±15) 8(±3) 7(±7) % occurrence of dying-back trees of M. hexandra 0 0 The lack of live M. hexandra trees and/or the presence of dead M. hexandra trees in DSs and PDF stands provide a strong evidence that the death of M. hexandra may be a result of the invasion by P. juliflora. keywords: area; bnp; die; forest; hexandra; individuals; juliflora; perera; species; stands; study; trees; tsd cache: jtfe-1831.pdf plain text: jtfe-1831.txt item: #18 of 158 id: jtfe-1832 author: Amarasinghe, SR; Fernando, FFHG title: Pro-environmental Behavior Regarding Solid Waste Management in Householders of Kalutara Urban Council Area- A Case Study date: 2014-06-18 words: 2274 flesch: 46 summary: Further, by considering the findings of this study, an environmental education program to promote pro-environmental behavior in solid waste management must be established to change non-effective waste management practices and to promote the households to use the waste as a resource. Key words: individual behavior, environmental attitudes, Kalutara Urban Council, pro- environmental behavior, solid waste management ______________________________________________________________________________ * Correspondence: sajeewani21@yahoo.com Tel: +94 714835475 keywords: behavior; environment; kalutara; management; waste cache: jtfe-1832.pdf plain text: jtfe-1832.txt item: #19 of 158 id: jtfe-1833 author: Gamalath, IM; Perera, HLK; Bandara, JMSJ title: Environmental impact assessment of transport infrastructure projects in Sri Lanka: Way forward date: 2014-06-18 words: 4484 flesch: 45 summary: Literature regarding EIA process in Sri Lanka as well as in international context was reviewed together with several past EIA reports related to civil engineering infrastructure projects to identify possible improvements. 2. Methodology Literature regarding EIA process in both Sri Lankan context and international context was reviewed together with several past EIA reports in Sri Lanka related to civil engineering infrastructure projects (especially transport infrastructure development) to identify the changes in adopted methodologies, format and possible improvements. keywords: assessment; authority; bandara; eia; environmental; impacts; lanka; process; project; sri cache: jtfe-1833.pdf plain text: jtfe-1833.txt item: #20 of 158 id: jtfe-1838 author: Senevirathna, H.M.M.C.; Perera, P.K.P. title: Wildlife Viewing Preferences of Visitors to Sri Lanka’s National Parks: Implications for Visitor Management and Sustainable Tourism Planning date: 2014-01-09 words: 4902 flesch: 49 summary: Annual statistical report of Sri Lanka tourism-2010. Senevirathna & Perera /Journal of Tropical Forestry and Environment Vol. 3, No. 02 (2013) 1-10 1 Feature Article Wildlife Viewing Preferences of Visitors to Sri Lanka’s National Parks: Implications for Visitor Management and Sustainable Tourism Planning H.M.M.C. Senevirathna* and P.K.P. Perera Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Nugegoda, Sri Lanka 1. keywords: biodiversity; lanka; nature; nps; preferences; sri; tourism; viewing; visitor; wildlife cache: jtfe-1838.pdf plain text: jtfe-1838.txt item: #21 of 158 id: jtfe-1839 author: Madurapperuma, B. D.; Oduor, P. G.; Kuruppuarachchi, K. A. J. M.; Wijayawardene, D. N. N.; Munasinghe, J. U. title: Comparing Floristic Diversity between a Silviculturally Managed Arboretum and a Forest Reserve in Dambulla, Sri Lanka date: 2014-01-09 words: 4924 flesch: 55 summary: Diov Kunumella T K * Euphorbiaceae Bridelia retusa Brre Kaetakela M/T T A Dimorphocalyx glabellus Digl Welikaha S A/K Drypetes sepiaria Drse Wira T K * Alsc Ruk-attana T K * Boraginaceae Cordia dichotoma Codi Lolu T A Ehretia laevis Ehla Walangasal M T A keywords: arboretum; area; dry; environment; forest; forestry; ivi; kfr; lanka; plots; popham; reserve; species; sri; vegetation; zone cache: jtfe-1839.pdf plain text: jtfe-1839.txt item: #22 of 158 id: jtfe-1840 author: Bulafu, C.; Barang, D.; Eycott, A.E.; Mucunguzi, P.; Telford, R.J.; Vandvik, V. title: Structural Changes are More Important than Compositional Changes in Driving Biomass Loss in Ugandan Forest Fragments date: 2014-01-09 words: 6643 flesch: 61 summary: Partitioning AGB change into these two components is necessary to understand the dimensions of the most important drivers of AGB change and thus develop a set of sound indicators that can provide meaningful assessment for effective management interventions aimed at maintaining or increasing carbon sequestration in forest fragments. Bulafu et al., /Journal of Tropical Forestry and Environment Vol. 3, No. 02 (2013) 23-38 25 Figure 1: Map showing location of the study area and forest fragments. keywords: agb; biomass; bulafu; carbon; changes; et al; forest; forestry; fragments; pioneer; species; trees; tropical cache: jtfe-1840.pdf plain text: jtfe-1840.txt item: #23 of 158 id: jtfe-1841 author: Dangalle, C.D. title: The Current Status of the Tiger Beetle Species of the Coastal Habitats of Sri Lanka date: 2014-01-09 words: 5445 flesch: 54 summary: Hendala (1979), Bentota (1979), Puttalam (1981) {Naviaux, 1984} Aluthgama (1984) {Acciavatti and Pearson, 1989} Dangalle C.D. /Journal of Tropical Forestry and Environment Vol. 3, No. 02 (2013) 39-52 41 Figure 1: Distribution of tiger beetle species in coastal locations of Sri Lanka The present study intends to record the tiger beetle species of coastal habitats of Sri Lanka, investigate the current locations and distribution of tiger beetle species of Sri Lanka, study the microhabitats and habitat segregation of species and record habitat preferences of each species. keywords: beetles; biramosa; catena; district; habitat; lanka; locations; lophyra; province; species; sri; tiger cache: jtfe-1841.pdf plain text: jtfe-1841.txt item: #24 of 158 id: jtfe-1843 author: Treydte, A.C.; Trumpf, P.; Langenberger, G.; Yang, Y.; Liu, F. title: Wild Ungulate Distribution in the Naban River Watershed National Nature Reserve, Southwest China date: 2014-01-09 words: 6542 flesch: 60 summary: 4.2 Current situation In our study, wildlife sign numbers generally increased further away from villages and with closer distance to the core zone. Student’s t-tests compared wildlife sign density for GM and XN as well as the former settlement region versus GM. keywords: conservation; et al; forest; gaur; habitat; nrwnnr; reserve; signs; species; wildlife; zone cache: jtfe-1843.pdf plain text: jtfe-1843.txt item: #25 of 158 id: jtfe-1844 author: Wickramathilake, B.A.K.; Weerasinghe, T.K.; Ranwala, S.M.W. title: Impacts of Woody Invader Dillenia suffruticosa (Griff.) Martelli on Physio-chemical Properties of Soil and, Below and Above Ground Flora date: 2014-01-09 words: 5076 flesch: 52 summary: Wickramathilake et al., /Journal of Tropical Forestry and Environment Vol. 3, No. 02 (2013) 66-75 69 Figure 1: Remaining weight of dried D. suffruticosa leaves during decomposition at 35% and 50% moisture levels 3.2 Change in physical and chemical properties of soil Our results indicated that D. suffruticosa tend to increase the percentage of large particles in soil (Figure 2a) simultaneously and significantly increasing the porosity of soil (Figure 2b). At each site, two adjacent plots [1m x10m each for D. suffruticosa present (D +) and absent (D - )] were outlined. keywords: decomposition; environment; litter; plant; soil; species; sri; suffruticosa cache: jtfe-1844.pdf plain text: jtfe-1844.txt item: #26 of 158 id: jtfe-1848 author: Ranagalage, AS; Jayakody, TSD; Wathugala, DL title: Allelopathic potential of rice residues of selected rice varieties (Oryza sativa L.) against Echinochloa crus-galli date: 2014-12-27 words: 3445 flesch: 52 summary: Furthermore, suppression of seed germination and growth of barnyard grass was increased when increasing amount of rice residue incorporated with sand indicating the importance of studying weed suppressing ability of rice residues as it might reduce application of herbicides by the farmers. The objective of this study was to assess the allelopathic traits of rice residues of selected rice cultivars (Bg 359, Ld 365, Bg 407, At 401, Bg 358, At 362, At 402, Bg 450, Bg 300, Herathbanda and Handiran) to suppress barnyard grass (Echinochloa crus-galli) seed germination, growth and development which is one of the most destructive weeds in Sri Lankan paddy ecosystem. keywords: allelopathy; barnyard; grass; plant; potential; residue; rice; weed cache: jtfe-1848.pdf plain text: jtfe-1848.txt item: #27 of 158 id: jtfe-1850 author: Subasinghe, SMCUP title: Construction of allometric relationships to predict growth parameters, stem biomass and carbon of Eucalyptus grandis growing in Sri Lanka date: 2014-12-27 words: 6246 flesch: 61 summary: In forest growth modelling, it is common to find both construction of new mathematical equations (e.g. Fontes et al., 2003; Boisvenue et al., 2004; Wang et al., 2005) as growth models or development of existing mathematical equations further to achieve more realistic predictions. Construction of growth models for Pinus nigra var. keywords: age; class; data; equation; growth; height; model; modelling; site; variable cache: jtfe-1850.pdf plain text: jtfe-1850.txt item: #28 of 158 id: jtfe-1853 author: Siriwardena, VS; Arambewela, LSR title: Determination of Volatile Constituents of the Essential Oil and Absolute of Nyctanthes arbortristis L. Flowers Grown in Sri Lanka date: 2014-12-27 words: 2411 flesch: 56 summary: It was demonstrated that N. arbortristis flowers exhibit various beneficial bioactivities, including antispasmodic, antidiabetic, antihelmintic and immunostimulant, anti- inflammatory and hepatoprotective activities (Sandhar et al., 2011). This afforded a semi-solid, dark orange concrete of N. arbortristis flowers. keywords: absolute; arbortristis; flowers; methyl; nyctanthes; oil cache: jtfe-1853.pdf plain text: jtfe-1853.txt item: #29 of 158 id: jtfe-2011 author: Ruwanpathirana, ND title: Use of wood characters in the Identification of Terminalia spp in Sri Lanka date: 2014-12-27 words: 3820 flesch: 56 summary: T. parviflora can be separated from other species because it does not have confluent or banded axial parenchyma and T. bellirica can be distinguished from other Terminalia species because it is having banded axial parenchyma bands. This ray characteristic can be used to differentiate T. chebula and T. catappa from other Terminalia species. keywords: parenchyma; ray; species; terminalia; vessel; wood cache: jtfe-2011.pdf plain text: jtfe-2011.txt item: #30 of 158 id: jtfe-2035 author: Ruwanpathirana, ND title: Development of Timber Property Classification Based on the End-Use with Reference to Twenty Sri Lankan Timber Species date: 2014-06-18 words: 5415 flesch: 56 summary: The publication of “Sri Lankan timber: Timber properties and its uses” covering 100 timber species is now in the press and it will be helpful to those who are willing to continue research in this regard. ISSN 2235-9370 Print/ISSN 2235-9362 Online © University of Sri Jayewardenepura Ruwanpathirana/Journal of Tropical Forestry and Environment Vol. 4, No 01 (2014) 1-13 2 Wood properties vary with timber species and each and every property may bring a unique value and important feature to timber and its end-use. keywords: brown; end; green; iawa; properties; property; red; shrinkage; species; timber; use; wood cache: jtfe-2035.pdf plain text: jtfe-2035.txt item: #31 of 158 id: jtfe-2036 author: Amusa, TO; Jimoh, SO; Azeez, IO; Awodoin, RO; Kareem, I title: Stock density and fruit yield of African walnut, Plukenetia conophora Mull-Arg (Syn. Tetracarpidium conophorum) in tropical lowland rainforests of southwest Nigeria date: 2014-12-27 words: 4345 flesch: 59 summary: A case study of Garcinia kola nut production-to-consumption system in J4 area of Omo forest reserve, south-west Nigeria. There were significant differences in number and distribution of species by forest types, but not between forest reserves. keywords: area; conophora; forest; nigeria; reserve; species; stands; stock; tropical cache: jtfe-2036.pdf plain text: jtfe-2036.txt item: #32 of 158 id: jtfe-2063 author: Arunkumar, AN; Joshi, G title: Pterocarpus santalinus (Red Sanders) an Endemic, Endangered Tree of India: Current Status, Improvement and the Future date: 2014-12-27 words: 5715 flesch: 61 summary: Some distinguishing characteristics between wavy grained and straight grained trees of Red Sanders Pterocarpus santalinus. Red Sanders wood has demand both in domestic and international markets. keywords: andhra; indian; journal; pradesh; pterocarpus; raju; red; sanders; santalinus; species; tree; wavy; wood cache: jtfe-2063.pdf plain text: jtfe-2063.txt item: #33 of 158 id: jtfe-2492 author: Sandeep, S.; Siveram, M.; Sreejesh, K.K.; Thomas, T.P. title: Evaluating Generic Pantropical Allometric Models for the Estimation of Above-Ground Biomass in the Teak Plantations of Southern Western Ghats, India date: 2015-09-21 words: 3669 flesch: 61 summary: Hence, the relationship should hold across forests as in equation 2: H/4)D (πρFGB 2  (2) Table 2: Tree biomass models for predicting above-ground biomass (y) of teak plantations in Kerala part of Southern Western Ghats. Especially, in the latter context, the estimation of tree biomass with sufficient accuracy is essential to determine annual changes of carbon stored in particular ecosystems. keywords: biomass; carbon; chave; dbh; et al; forest; models; tree cache: jtfe-2492.pdf plain text: jtfe-2492.txt item: #34 of 158 id: jtfe-2493 author: Sirirwardane, M.S.P.M.; Samanmali, M.A.D.; Rathnayake, R.N.P.R.N.P. title: Cloud Based GIS Approach for Monitoring Environmental Pollution in the Coastal Zone of Kalutara, Sri Lanka date: 2015-09-21 words: 3503 flesch: 46 summary: Pollution incidents data layer has been given web based editing capabilities for field monitoring using GPS enabled mobiles. The types of pollution incidents were categorised according to the severity level by considering the relationship to each natural resource. keywords: area; cloud; data; field; gis; incidents; information; pollution; river; study cache: jtfe-2493.pdf plain text: jtfe-2493.txt item: #35 of 158 id: jtfe-2494 author: Yalew, A.W title: The Perplex of Deforestation in sub-Saharan Africa date: 2015-09-21 words: 6150 flesch: 59 summary: Variable Description Measure Data of Data source Lfa Net loss of forest area as percentage of total land area % 2007 & 1990 World Bank 2010 Adr Average annual rate of deforestation % 1990-2010 FAO 2005, 2010 YSFL Year of specific forests laws was enacted Year Country specific FAO 2010 Pbc Share of total forest under public ownership % 2005 FAO 2010 Pvt Share of total forest under private ownership % 2005 FAO 2010 Othr Share of total forest under other than public & private % 2005 FAO 2010 Egr Average annual economic growth rate (at 2005 price) % 1990-2007 Heston et al. 2009 Ge Average government effectiveness Index 1996-2012 Kaufmann et al. 2013 Ag/GDP Average share of agriculture in GDP % 1990-2010 World Bank 2013 Cameroon, Liberia, Ghana, Nigeria, and Benin have low percentage of rural population but higher deforestation rate (in both measures) compared to Rwanda, Lesotho, and Swaziland which have higher rural population percentage. keywords: 2010; average; countries; data; deforestation; economic; growth; population; rate; ssa cache: jtfe-2494.pdf plain text: jtfe-2494.txt item: #36 of 158 id: jtfe-2495 author: Izekor, D.N.; Erakhrumen, A.A. title: Physico-Mechanical Properties of Cement-Bonded Particle Boards of Bambusa vulgaris and Gmelina arborea Fibres date: 2015-09-21 words: 4094 flesch: 59 summary: This implies that pre-treatment chemical additives, fibre geometry and fibre stratification has impact on the water absorption, thickness swelling, modulus of rupture and modulus of elasticity of cement bonded particle boards. The required quantity of wood particles and cement was weighed and placed in a plastic container. keywords: cement; fibre; geometry; particle; s f; sawdust cache: jtfe-2495.pdf plain text: jtfe-2495.txt item: #37 of 158 id: jtfe-2496 author: Weerakoon, B.M.B; Bandara, A.M.R.S.; Ranawana, K.B. title: Impact of Canopy Cover on Butterfly Abundance and Diversity in Intermediate Zone Forest of Sri Lanka date: 2015-09-21 words: 2939 flesch: 61 summary: The highest number of butterfly species was recorded at 20±5% canopy level (Figure 1). (note: graph containing butterfly species recorded more than ten times) 4. keywords: canopy; cover; forest; species cache: jtfe-2496.pdf plain text: jtfe-2496.txt item: #38 of 158 id: jtfe-2497 author: Bai, N.S.; Sasidharan, T.O.; Remadevi, O.K.; Dharmarajan, P. title: Biocontrol Potential of Metarhizium anisopliae (Metsch.) Sorokin (Deuteromycotina: Hyphomycetes) against Ailanthus Defoliator, Eligma narcissus (Cram.) date: 2015-09-21 words: 5368 flesch: 61 summary: Laboratory studies by releasing E. narcissus larvae on host plant leaves treated with P. farinosus spores showed mortality within 72 h which ranged from 77% for late instar larvae to 90% for early instars. On this point of view, Bio efficacy of 25 isolates of Metarhizium anisopliae was assessed to establish their virulence against E. narcissus in the laboratory and effective formulations of two potent isolates were subsequently evaluated in the field. keywords: ailanthus; conidia; control; field; isolates; larvae; mis; mortality; narcissus; oil; pest cache: jtfe-2497.pdf plain text: jtfe-2497.txt item: #39 of 158 id: jtfe-2498 author: Krishnanantham, K.; Seneviratne, Y.B.M.C.J.; Jayamanne, S.C. title: A Preliminary Study on Vegetation Structure and Mangrove Diversity in Irakkandy Lagoon, Trincomalee date: 2015-09-21 words: 3971 flesch: 62 summary: Percentage of mangrove species in each transects (T) True mangrove species 1 2 3 4 5 Avicennia marina 22.12 4.62 49.04 17.49 6.73 Rhizophora apiculata 0.00 23.92 38.04 38.04 0.00 Lumnitzera racemosa 20.00 30.00 35.00 15.00 0.00 Table 7: Above-ground biomass of mangrove species. keywords: area; diversity; index; irakkandy; lagoon; mangrove; marina; species; sri; transect cache: jtfe-2498.pdf plain text: jtfe-2498.txt item: #40 of 158 id: jtfe-2499 author: Caldera, H.T.S.; Amarasekera, H.S. title: Investigation of Sawmill Management and Technology on Waste Reduction at Selected Sawmills in Moratuwa, Sri Lanka date: 2015-09-21 words: 4728 flesch: 58 summary: The yield optimisation system can significantly improve timber conversion value in sawmills considering the differences in log characteristics. Table 5: Results of ANOVA test carried out for mean loss in conversion between sawmill type and timber species. keywords: band; conversion; log; loss; mean; saw; sawmills; sawn; timber; wood cache: jtfe-2499.pdf plain text: jtfe-2499.txt item: #41 of 158 id: jtfe-2500 author: Abdullah-Al-Mamun, M.M.; Billah, M.; Hossain, M.A.; Alamgir, M. title: Effect of Household Solid Waste on Initial Growth Performance of Acacia auriculiformis and Cedrela toona in Mycorrhiza Inoculated Soil date: 2015-09-21 words: 5033 flesch: 63 summary: But the application of fresh organic solid waste as a stimulating agent for plant growth has not yet been undertaken. The study was carried out in the nursery of Institute of Forestry and Environmental Sciences at University of Chittagong to determine the effects of solid waste and waste inoculated with mycorrhizal soil on initial growth performance of Acacia auriculiformis and Cedrela toona. keywords: growth; number; root; shoot; soil; waste; weight cache: jtfe-2500.pdf plain text: jtfe-2500.txt item: #42 of 158 id: jtfe-2614 author: Perera, Nishanthi Marian title: Co-existence of Coral Reef Conservation and Tourism at Pigeon Island National Park date: 2016-11-22 words: 6891 flesch: 54 summary: Available literature reveals that large scale destruction of coral reefs PINP occurred during the 1970s due to invasion of Acanthaster planci (Crown of Thorn Starfish – COTS), but have since recovered, with branching and tabulate Acropra spp being the dominant corals (De Bruin, 1972; Rajasuriya et al, 2005). Globally, coral reef associated tourism plays a major role in revenue earning and is estimated to provide around US $ 9.6 billion per year. keywords: areas; boat; conservation; coral; fee; island; lanka; management; national; park; pinp; reef; sri; tourism; visitor cache: jtfe-2614.pdf plain text: jtfe-2614.txt item: #43 of 158 id: jtfe-2626 author: Lenaduwa Lokuge, Upekha Mandakini title: A study on the Phytoremediation Potential of Azolla pinnata under laboratory conditions date: 2016-11-22 words: 6127 flesch: 50 summary: 4.1 Phytoremediation potential of A. pinnata in environmentally-relevant ranges of heavy metals There are many sources of heavy metal ions to the wider environment including waterways. Healthy and matured A. pinnata plants were selected, rinsed with distilled water and blotted on filter papers to remove adherent water and 10 g of the water fern were laid on the surface of each aquarium. keywords: a. pinnata; metal; phytoremediation; pinnata; ppm; removal; water cache: jtfe-2626.pdf plain text: jtfe-2626.txt item: #44 of 158 id: jtfe-2654 author: Ariyadasa, KP title: Potential of Biomass Based Electricity Generation in Sri Lanka date: 2015-12-29 words: 4994 flesch: 46 summary: There is a very limited potential in Sri Lanka to get materials from these sources for biomass energy production. As such significant quantities are not available for biomass based power generation in commercial scale. keywords: biomass; electricity; energy; generation; lands; lanka; plantations; power; production; species; sri cache: jtfe-2654.pdf plain text: jtfe-2654.txt item: #45 of 158 id: jtfe-2655 author: Liyanage, GY; Manage, PM title: Optimisation of Environmental Factors on Oil Degrading Bacteria Isolated from Coastal Water and Sediments in Sri Lanka date: 2015-12-29 words: 5978 flesch: 61 summary: 2.4 Effect of temperature on crude oil degradation Filtered sterilised sea water was inoculated by 0.5 ml of overnight starved bacteria culture. 2.6 Effect of pH on crude oil degradation Filtered sterile sea water in triplicate was supplemented with 1% (v/v) crude oil and 0.5 ml of exponentially growing culture of bacteria at final volume of 10 ml into the universal bottles. keywords: cereus; crude; days; degradation; enterobacter; ludwigii; oil; ±0.008 cache: jtfe-2655.pdf plain text: jtfe-2655.txt item: #46 of 158 id: jtfe-2658 author: Arockiaraj, S; Kumar, A; Hoda, N; Jeyaseelan, AT title: Identification and Quantification of Tree Species in Open Mixed Forests using High Resolution QuickBird Satellite Imagery date: 2015-12-29 words: 5416 flesch: 52 summary: Estimating stem volume by tree crown area and tree shadow area extracted from PAN sharpened QuickBird imagery in open Crimean juniper forest. Tree crown area and enhanced shadowed area were merged. keywords: area; crown; forest; image; quantification; quickbird; resolution; satellite; sensing; species; study; tree cache: jtfe-2658.pdf plain text: jtfe-2658.txt item: #47 of 158 id: jtfe-2660 author: Senadheera, DKL; Ranasinghe, DMHSK; Wahala, WASB; Amarasekera, HS title: Greenhouse Gas Emissions from Plantation to the Proceeded Wood Products via State Timber Corporation Depots for Selected Tree Species using Life Cycle Assessment date: 2015-12-29 words: 2410 flesch: 52 summary: GHG emissions were estimated in each identified functional unit. Following generalized equation was used to calculate GHG emissions for each identifies emission sources. keywords: carbon; emissions; forest; ghg; harvesting; products; timber; transportation; wood cache: jtfe-2660.pdf plain text: jtfe-2660.txt item: #48 of 158 id: jtfe-2661 author: Navaratne, BS title: Determination of the Effectiveness of Hal Bark (Vateria copallifera) as a Natural Preservative for Food Security of Confectionery Industry date: 2015-12-29 words: 2901 flesch: 53 summary: Moreover, 0.5, 1.0, 1.5, 2.0 and 3.0 g of bark from the best drying method were introduced into 50% sucrose solutions to determine the level that Hal bark can be incorporated into sugar solutions without changing the sugar taste. Sensory evaluation revealed that up to 1.0 g of hal bark can be incorporated into 100 ml of sugar solutions without disturbing to the sugar taste. keywords: bark; drying; fermentation; hal; solution; sugar cache: jtfe-2661.pdf plain text: jtfe-2661.txt item: #49 of 158 id: jtfe-2662 author: Ratnasekera, D; Rupasingha, KMASK title: Morpho-Physiological Dynamics of Weedy Rice Seeds Collected from Two Contrasting Agro-Ecological Zones in Sri Lanka date: 2015-12-29 words: 4124 flesch: 61 summary: Hence basic information on the level of longevity, dormancy and germination behaviour of weedy rice seeds with relation to its morphology is very important to implement efficient control measures. In this study, weedy rice seeds were collected from six infested locations in Ampara and Matara districts representing two different agro-ecological zones in Sri Lanka. keywords: colour; dormancy; germination; populations; rice; seed; weedy cache: jtfe-2662.pdf plain text: jtfe-2662.txt item: #50 of 158 id: jtfe-2663 author: Deepa, B; Remadevi, OK title: Leaf Extracts of Lobelia nicotianaefolia as a Potential Biopesticide Against Defoliator Pests date: 2015-12-29 words: 3463 flesch: 57 summary: The LC50 value for ethyl acetate extract and water extract was 0.55 and 1.014 respectively was not significant (P>0.05) for ovicidal action. The least LC50 (0.55%) shows that ethyl acetate extract is better than water extract (1.014%) keywords: concentration; ethyl; extracts; larvae; leaf; mortality; nicotianaefolia; puera; water cache: jtfe-2663.pdf plain text: jtfe-2663.txt item: #51 of 158 id: jtfe-2664 author: Subasinghe, SMCUP title: Construction of Allometric Relationships to Predict Growth Parameters, Stem Biomass and Carbon of Eucalyptus grandis Growing in Sri Lanka date: 2015-12-29 words: 5083 flesch: 62 summary: Key words: Eucalyptus grandis, forest biomass, forest carbon, allometric equations 1. 2.4 Calculation of stem volume The stem volume of E. grandis trees were calculated using the model given in equation 2 developed by Subasinghe (2001) for the same species. )(3648.0 hgv  (2) where: g = tree basal area (calculated from tree diameter), m 2 h = total height, m v = stem volume, m 3 2.5 Estimation of stem biomass and carbon Early studies conducted on forest trees indicated that the biomass per unit volume (wood density) does not become significantly different along the stem from the bottom to the top (Samarasekara, 2013; Subasinghe and Haripriya, 2014). keywords: age; biomass; carbon; forest; growth; height; models; plantations; sri; stem; tree; values; volume cache: jtfe-2664.pdf plain text: jtfe-2664.txt item: #52 of 158 id: jtfe-2938 author: P, Jayasingha title: Social Geology and Landslide Disaster Risk Reduction in Sri Lanka date: 2017-03-14 words: 3746 flesch: 45 summary: This paper describes the application of social geology in landslide disaster risk reduction and the essential steps of social geology to be applied in landslide disaster risk reduction. Landslide Disaster Risk Reduction in Sri Lanka The main focal point of landslide disaster risk reduction in Sri Lanka is the National Building Research Organisation (NBRO) established in 1985. keywords: central; disaster; geology; landslide; lanka; reduction; risk; sri cache: jtfe-2938.pdf plain text: jtfe-2938.txt item: #53 of 158 id: jtfe-2939 author: Fernando, K.M.E.P.; Premasiri, H.M.R.; Kudaligama, K.V.V.S. title: Geo-informatics Techniques for Assessing Physiological Status and Productivity of RRIC 121 Genotype of Hevea brasiliensis (Rubber) under Different Harvesting Systems date: 2017-03-14 words: 3686 flesch: 55 summary: Use of such techniques such as Satellite Remote Sensing (RS) and Geographic Information System (GIS) to analyse spatial and biological factors related to the productivity of rubber plantation with different harvesting systems is the main objective of the present study. Chlorophyll content and satellite images were analysed using GIS and spatial statistical methods to determine the variation in different harvesting systems. keywords: chlorophyll; content; harvesting; ndvi; rubber; s/2; systems; yield cache: jtfe-2939.pdf plain text: jtfe-2939.txt item: #54 of 158 id: jtfe-2940 author: Kaluthanthri, D.V.S.; Dasanayaka, P.N. title: Assessment of Genetic Diversity of Some Finger Millet (Eleusine coracana (L.) Gaertn. Accessions Using Morphological Markers date: 2017-03-14 words: 3985 flesch: 53 summary: The clustering pattern of studied finger millet accessions based on morphological markers comprised of two major clusters. Table 2: Descriptors used in morphological characterization of finger millet accessions. keywords: accession; analysis; cluster; days; finger; ind; india; millet; plant; traits cache: jtfe-2940.pdf plain text: jtfe-2940.txt item: #55 of 158 id: jtfe-2941 author: Kumara, H.I.G.C. title: Challenges of Biopiracy: Implementing Community Based Ecotourism (CBET) in the Sri Lankan context date: 2017-03-14 words: 5962 flesch: 52 summary: Forest Department Sri Lanka. Local community of this site takes risks in forest genetic resources smuggling because it provides them with the means of earning much money within a short period. keywords: biopiracy; cbet; community; data; development; ecotourism; forest; gyrinops; kudawa; lanka; research; sinharaja; site; sri; walla cache: jtfe-2941.pdf plain text: jtfe-2941.txt item: #56 of 158 id: jtfe-3018 author: Perera, P.K.P.; Karawita, K.V.D.H.R.; Pabasara, M.G.T. title: Pangolins (Manis crassicaudata) in Sri Lanka: A Review of Current Knowledge, Threats and Research Priorities date: 2017-07-30 words: 7857 flesch: 53 summary: An investigation conducted using fecal analysis of Indian pangolins in four districts of Potohar Plateau, Pakistan by Irshad et al. (2015) found that ants (Camponotus confusion, Camponotus compresses) are the major prey of Indian pangolin in the studied habitat while termites (Odontotermis obesus), bugs, wood fibers and grasses constituted other major components of the diet. Four pangolin species are restricted to Asia; Chinese pangolin (Manis pentadactyla), Sunda pangolin (Manis javanica), Indian pangolin (Manis crassicaudata) and Philippine pangolin (Manis culionensis). keywords: conservation; crassicaudata; et al; habitat; indian; lanka; mahmood; manis; mohapatra; pangolin; population; scales; species; sri; studies cache: jtfe-3018.pdf plain text: jtfe-3018.txt item: #57 of 158 id: jtfe-3019 author: Deepa, B.; Remadevi, O. K. title: Insecticidal factors from the seeds of Erythrina indica Lam against Hyblaea puera, the most serious defoliator pest of teak date: 2017-07-30 words: 4581 flesch: 64 summary: E. indica seed extract was reported to be toxic to the larvae and the pupae of the pulse beetle C. maculates and it showed antifeedant property to the adult beetles (Chandrakantha, 1988). Analytical HPLC The crude ethyl acetate extract of E. indica seed was subjected to reversed- phase HPLC to detect the compounds of interest. keywords: acetate; compounds; concentration; ethyl; extract; indica; larvae; seeds; table cache: jtfe-3019.pdf plain text: jtfe-3019.txt item: #58 of 158 id: jtfe-3020 author: Koirala, A.; Kizha, A. R.; Baral, S. title: Modeling Height-Diameter Relationship and Volume of Teak (Tectona grandis L. F.) in Central Lowlands of Nepal date: 2017-07-30 words: 5594 flesch: 67 summary: In forest management, tree heights and dbh have been used to estimate the total and merchantable tree volume. Volume models that are able to quantify tree volume are necessary if trees are subjected to fell for commercial uses (Mugasha et al., 2016). keywords: data; dbh; diameter; equation; forest; height; models; nepal; species; study; teak; tree; volume cache: jtfe-3020.pdf plain text: jtfe-3020.txt item: #59 of 158 id: jtfe-3021 author: Chukwu, O.; Dau, J.H.; Ezenwenyi, J.U. title: Crown-Stump Diameter Model for Parkia biglobosa Benth. Species in Makurdi, Benue State, Nigeria date: 2017-07-30 words: 4777 flesch: 59 summary: Despite the important of this tree part, little attention has been given on tree crown diameter in forest inventory and measurement. Previous studies have shown that tree crown diameter (Cd) is well correlated with tree bole diameter (Kigomo, 1991; keywords: crown; crown diameter; diameter; dst; forest; growth; models; study; stump; stump diameter; tree cache: jtfe-3021.pdf plain text: jtfe-3021.txt item: #60 of 158 id: jtfe-3022 author: Oyebamiji, N. A.; Babalola, A. O.; Aduradola, A. M. title: Decomposition and Nitrogen Release Patterns of Parkiabiglobosa and Albizialebbeck Leaves with Nitrogen Fertilizer for Maize Production in Sudan Savanna Alfisolof Nigeria date: 2017-07-30 words: 5176 flesch: 60 summary: Figure 1: Loss weight of Albizia and Parkia leafy biomass over a period of 10 weeks Decomposition Rates and N Release Patterns The decomposition rate (kD) and N release rate (N) constants among Albizia lebbeck and Parkia biglobosa leafy biomass were considered significantly different from each other during the two seasons (Table 3). No significant response to N rates on grain yield was observed in 2015. keywords: albizia; biglobosa; biomass; decomposition; lebbeck; maize; nitrogen; parkia; plant; release; soil cache: jtfe-3022.pdf plain text: jtfe-3022.txt item: #61 of 158 id: jtfe-3023 author: Dasanayaka, P.N.; Wijeyaratne, S.C. title: Cultivation of Schizophyllum commune mushroom on different wood substrates date: 2017-07-30 words: 3314 flesch: 58 summary: Effect of some additives on yield of the mushroom Effect of four different additives: coir dust, rice bran, dried IpilIpil leaves and used tea leaves, on the yield of S. commune mushroom was determined by adding 10% of additive to the basal medium. The yield of S. commune mushroom grown on sawdust of seven different wood species is shown in Figure 1. keywords: bran; growth; mushroom; rice; s.commune; sawdust; substrates; wood; yield cache: jtfe-3023.pdf plain text: jtfe-3023.txt item: #62 of 158 id: jtfe-32 author: Perera, Ruwini; Wattavidanage, Jayantha; Nilakarawasam, Nayana title: Development of a Macroinvertebrate - based Index of Biotic Integrity (M-IBI) for Colombo-Sri Jayawardhanapura Canal System (A new approach to assess stream/ wetland health) date: 2012-05-22 words: 4124 flesch: 55 summary: No of Intolerant Taxa Decrease (xxiv) No of Crustacea Taxa Decrease >2.25 2.25 - 0.25 <0.25 % of Diptera Increase <2.33% 2.33 - 51.79% >51.79% % of Odonata Decrease >2.04% 2.04 - 0.52% <0.52% No of Intolerant Taxa Decrease >1.25 1.25 - 0.50 <0.50 keywords: canal; decrease; ibi; index; integrity; kotte; metrics; reference; sites; sri; taxa cache: jtfe-32.pdf plain text: jtfe-32.txt item: #63 of 158 id: jtfe-3301 author: Adikaram, A.M.N.M.; Pitawala, H.M.T.G.A. title: An overview of heavy metal contamination in coastal sediments of Sri Lanka date: 2017-12-30 words: 3614 flesch: 54 summary: Several studies on different coastal landforms of Sri Lanka have been reviewed in this article to summarize the current status of coastal sediment contamination. Adikaram and Pitawala/Journal of Tropical Forestry and Environment Vol. 7, No. 02 (2017) 1-9 1 Feature Article An overview of heavy metal contamination in coastal sediments of Sri Lanka A.M.N.M. Adikaram1*and H.M.T.G.A. Pitawala2 1Department of Physical Sciences, Faculty of Applied Sciences, South Eastern University, Sri Lanka 2Department of Geology, Faculty of Science, University of Peradeniya, Sri Lanka Abstract Coastal sediments are often subjected to heavy metal contamination as they reside at the marginal environments of anthropological water releases. keywords: coastal; concentrations; contamination; et al; lanka; metal; pollution; sediments; sri cache: jtfe-3301.pdf plain text: jtfe-3301.txt item: #64 of 158 id: jtfe-3304 author: Khanh, P.T.; Subasinghe, S.M.C.U.P. title: Identification of Vegetation Change of Lower U Minh National Park of Vietnam from 1975 to 2015 date: 2017-12-30 words: 5292 flesch: 56 summary: Out of 45, 33 plots were laid in the plantation Melaleuca forest of various age classes and 12 plots were laid in natural Melaleuca forest area (Figure 2). The status of vegetation cover area of the study area in the period of 1975-2015 using satellite imagery is illustrated in Figure. keywords: area; classification; cover; forest; melaleuca; minh; national; park; sensing; species; study; vegetation; years cache: jtfe-3304.pdf plain text: jtfe-3304.txt item: #65 of 158 id: jtfe-3305 author: Dharmadasa, P.S.; Liyanage, G.Y.; Manage, P.M. title: Degradation of Microcystin LR, Oxytetracycline and Amphicillin by Four Native Bacteria Species date: 2017-12-30 words: 4263 flesch: 46 summary: The mechanical and chemical methods that are used to remove antibiotics and Microcystin from contaminated sites have limited effectiveness and are not accessible to all parts of the world due to high operating and material costs (Liyanage and Manage 2016 b, Idroos and Manage, 2014, Manage et al., 2009).Bioremediation is one of the most promising technologies for the treatment of antibiotics and Microcystin as it is cost effective and identified as the best alternative eco-friendlymethod (Liyanage and Manage, 2015 b., Manage et al., 2009). 2.4 Analysis of MC-LR by HPLC MC-LR analysis was carried out by using the HPLC system consisting of Agilent 1200 series following the modified method of Manage et al (2009). keywords: bacteria; cereus; days; degradation; incubation; manage; micrococcus cache: jtfe-3305.pdf plain text: jtfe-3305.txt item: #66 of 158 id: jtfe-3306 author: Hauchhum, R. title: Aboveground biomass and carbon stock assessment in forest stands of Gmelinaarborea Roxb. in Mizoram, North-East India date: 2017-12-30 words: 3692 flesch: 63 summary: Forest biomass accounts for 85-90% of terrestrial vegetation (Dixonet al., 1994) and the amount of biomass change considerably with land use, disturbance and variation in environmental conditions (Canadell et al., 2007: The result in the present study shows that G. arborea forest stands in tropical region has a great potential to sequester carbon and the amount of carbon sequestration depends on species composition and anthropogenic activities. keywords: aboveground; arborea; biomass; carbon; forest; site; tree cache: jtfe-3306.pdf plain text: jtfe-3306.txt item: #67 of 158 id: jtfe-3307 author: Chukwu, O.; Osho, J.S.A. title: Nonlinear Height-Stump Diameter Models for Tectona grandis Linn. F Stands in Omo Forest Reserve, Nigeria date: 2017-12-30 words: 3965 flesch: 60 summary: Ds (cm ) 5 10 15 20 25 30 35 40 45 50 55 Figure 2: Box and whisker summary statistics of tree stump diameter (Ds) in cm. Development of Digital Elevation Models for Omo Forest Reserve Nigeria, Forestry and Allied Natural Resources Disciplines in Nigerian Institutions: Inputs for Future Solutions to Dwindling Forest Estate in Nigeria, Proceedings of the 1st Commonwealth Forestry Association (CFA) Conference, Nigeria Chapter. keywords: diameter; forest; height; models; nigeria; reserve; study; stump; tree cache: jtfe-3307.pdf plain text: jtfe-3307.txt item: #68 of 158 id: jtfe-3308 author: Meetiyagoda, T.A.O.K.; Bandara, N.J.G.J.; Jinadasa, K.B.S.N.; Kalpage, C.S.; Pathirana, C.D.K. title: Performance of tropical vertical subsurface flow constructed wetlands for leachate treatment at different hydraulic loading rates date: 2017-12-30 words: 5093 flesch: 57 summary: Previous studies indicated that the type of the plant is often considered minor in subsurface flow CWs for pollutant removal (Mander et al., 2003), while some other studies revealed that the growth characteristics of different plant species may affect the potential for uptake and transformation of nutrient and heavy metals (Tanner, et al., 1996; Maltais-Landry et al., 2009).Benefits of macrophytes have been repeatedly demonstrated, but, it remains unclear whether significant differences exist in the removal efficiencies among plant species of comparable life forms and sizes (Brisson and Chazarenc, 2008). Performances of plant species at different leachate concentrations are given in (Figure 3). keywords: bulrush; cattail; cws; leachate; palm; plant; removal; species; umbrella cache: jtfe-3308.pdf plain text: jtfe-3308.txt item: #69 of 158 id: jtfe-3309 author: Hossain, M.B.; Jusoh, K.; Fatimah, S. title: Impact of Land Use Changes on Soil Properties and Organic Carbon Distribution Using Tracer Techniques in Selangor State of Malaysia date: 2017-12-30 words: 4227 flesch: 67 summary: Soil depth (cm) f Forest soil Oil palm soil 4.2 4.4 4.6 4.8 5.0 5.2 5.4 0-5 5-15 15-30 30-60 60-90 p H Soil depth (cm) e Forest soil Oil palm soil Hossain et al. /Journal of Tropical Forestry and Environment Vol. 7, No. 02 (2017) 62-70 67 stock, significant variation was found in different land use with soil depth (Figure 4b). Organic carbon 0 2 4 6 8 0-5 5-15 15-30 30-60 60-90 O rg a n ic m a tt e r (% ) Soil depth (cm) a Forest soil Oil palm soil 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0-5 5-15 15-30 30-60 60-90 O rg a n ic c a rb o n s to ck ( t h a -1 ) Soil depth (cm) b Forest soil Palm oil soil 0.00 0.40 0.80 1.20 1.60 2.00 2.40 0-5 5-15 15-30 30-60 60-90 A v a il a b le w a te r (c m 3 cm -3 ) Soil depth (cm) c Forest soil 0.00 0.50 1.00 1.50 2.00 0-5 5-15.0 15-30 30-60 60-90 B u lk d e n si ty ( g c m -3 ) Soil depth (cm) d Forest Oil palm 0.00 0.50 1.00 1.50 2.00 2.50 3.00 0-5 5-15 15-30 30-60 60-90 E C ( d S -1 ) keywords: biomass; carbon; depth; forest; land; organic; palm; plantation; root; soil; use cache: jtfe-3309.pdf plain text: jtfe-3309.txt item: #70 of 158 id: jtfe-3310 author: Wijesekara, W.A.M.A.; Manage, P.M. title: In vitro screening of, antibacterial antifungal and cytotoxicity activities in crude extract of freshwater cyanobacterium Oscillatoria sp. date: 2017-12-30 words: 6012 flesch: 48 summary: The inhibitory effects of Oscillatoria sp. extract concentrations were remarkably higher against S. aureus and C.albicans than other test bacteria and fungal species tested which was indicated by the wider diameter of inhibition zones (Table 1). IC 50 value of Oscillatoria sp. methanol crude extract at 6, 12, 24 hrs recorded 2.5 g/l, 1.25 g/l and 0.63 g/l respectively. keywords: activity; antibacterial; bacteria; crude; cyanobacteria; extract; hexane; manage; methanol; oscillatoria; test cache: jtfe-3310.pdf plain text: jtfe-3310.txt item: #71 of 158 id: jtfe-3311 author: Islam, S.M.Z.; Chowdhury, M.A.M. title: Equation for Estimating Stem Volume for Agar tree (Aquilaria malaccensis Lamk) Grown in the Plantations in Bangladesh date: 2017-12-30 words: 4801 flesch: 66 summary: Tree volume equation provide to the tree biomass and carbon estimation in non-destructive way. The selected volume equations and conversion factor equations are given in Table 5. Table 5:Selected tree volume equation for different proportion of Agar tree(Aquilaria malaccensis Lamk) planted in Bangladesh. keywords: agar; bangladesh; diameter; equations; forest; height; models; total; tree; volume; way cache: jtfe-3311.pdf plain text: jtfe-3311.txt item: #72 of 158 id: jtfe-3312 author: Wijesingha, Y.L.; Fernando, T.H.P.S.; Fernando, K.M.E.P. title: Pathological characterization of Corynespora cassiicola isolates from traditional and non-traditional rubber growing areas date: 2017-12-30 words: 4026 flesch: 44 summary: However, based on Duncan’s multiple grouping analysis, pathogenicity of traditional isolates and non-traditional isolates was not significantly different. However, based on Duncan’s multiple grouping analysis, temperature sensitivity of isolates from traditional isolates and non-traditional isolates was not significantly different. keywords: areas; isolates; issn; non; production; rubber; sri; toxin; traditional cache: jtfe-3312.pdf plain text: jtfe-3312.txt item: #73 of 158 id: jtfe-3314 author: Kumar, Y.; Singh, S.; Chatterjee, R.S. title: The Modeling of above Ground Biomass in Ranges of Corbett Tiger Reserve using Dual-Polarization ALOS PALSAR Data date: 2017-12-30 words: 5659 flesch: 60 summary: An approach for the assessment of forest biomass and carbon is boosting day by day using remote sensing technology. This approach has been tested throughout different forest types in the world with high degree of correlation between observed and predicted forest biomass (Hussein et al., 1991; Le Toan et al., 1992; Dobson et al., 1992). keywords: backscatter; biomass; carbon; data; et al; forest; plot; regression; remote; sensing cache: jtfe-3314.pdf plain text: jtfe-3314.txt item: #74 of 158 id: jtfe-3315 author: Qasim, M. title: Forest Carbon Stock Assessment of the Musk Deer National Park, Azad Jammu and Kashmir (AJK) date: 2017-12-30 words: 2917 flesch: 70 summary: Reduced Emissions fromDeforestation and Forest Degradation Plus (REDD+), regarded as a financial mechanism, is focused upon reducing carbon emissions from deforestation and forest degradation, aimedtowards the conservation and enhancement of forest carbon stocks, and sustainable forestmanagement which includes ecological and social targets (Bluffstone et al., 2013). Studies such as this can be helpful in developing forest carbon stock tables which can be included in the forest management plans of the national park. keywords: carbon; dbh; deer; forests; mean; musk; national; park cache: jtfe-3315.pdf plain text: jtfe-3315.txt item: #75 of 158 id: jtfe-3478 author: Subasinghe, S.M.C.U.P. title: Data Dissemination in Forestry Sector: Need, Constraints and Trends date: 2018-06-30 words: 4128 flesch: 44 summary: This paper discusses about the different users of forestry sector data, characteristics of good data dissemination systems, problems faced by the users in data availability and different methods of data dissemination. On the other hand, if many organisations such as Department of Forest Conservation, State Timber Corporation, and Department of Wildlife Conservation work together for data dissemination, it has to be done via a separate team which is responsible for the quality and integrity of data. keywords: access; data; dissemination; forestry; information; quality; system; users; web cache: jtfe-3478.pdf plain text: jtfe-3478.txt item: #76 of 158 id: jtfe-3479 author: Perera, A.G.W.U.; Karunaratne, M.M.S.C.; Chinthaka, S.D.M. title: Bioactivity and Volatile Profiling of Azadirachta indica Leaves for the Management of Maize Weevil, Sitophilus zeamais (Motsch.) Infestations date: 2018-06-30 words: 7052 flesch: 55 summary: Insecticidal and repellent potential of A. indica leaf powders were evaluated in both contact and fumigant forms. Accordingly, A. indica leaf powders showed its superiority in suppressing Sitophilus zeamais populations evoking 100% contact mortality, at the highest dosage after 9 days of weevil exposure. keywords: compounds; contact; fumigation; indica; insect; insecticidal; leaf; leaves; maize; neem; plant; plastic; powders; weevils; zeamais cache: jtfe-3479.pdf plain text: jtfe-3479.txt item: #77 of 158 id: jtfe-3480 author: Madurapperuma, B.D.; Dellysse, J.E. title: Coastal Fringe Habitat Monitoring using Kite Aerial Photography: A Remote Sensing-based Case Study date: 2018-06-30 words: 4080 flesch: 44 summary: For example, a coastal GIS model was developed to measure the changes to coastal vegetation and assess the resilience of several coastal biomes of Sri Lanka Pre and Post 2004 tsunami based on land- use categories; paddy, garden, coconut, dense forest, open forest, water bodies and other types of land- uses (Dellysse and Madurapperuma, 2017). The second is classify coastal vegetation using high-resolution kite aerial images and estimate the mangrove vegetation extent using NDVI threshold. keywords: area; dellysse; images; kap; kite; madurapperuma; mangrove; resolution; shrub; study; vegetation cache: jtfe-3480.pdf plain text: jtfe-3480.txt item: #78 of 158 id: jtfe-3481 author: Chandrasiri, P.H.S.P; Dharmarathne, W.D.S.C.; Mahaulpatha, W.A.D title: Diversity and Distribution of Avifauna at the Tropical Montane Cloud Forests of Horton Plains National Park date: 2018-06-30 words: 5329 flesch: 65 summary: Zitting Cisticola LC LC 13 2 84 √ Prinia socialis Sykes, 1832 Ashy Prinia LC LC 3 11 0 - Family: Zosteropidae Zosterops ceylonensis Holdsworth, 1872E Sri Lanka White Eye NT LC 797 447 16 √ Family: Sylviidae Bradypterus palliseri (Blyth,1851) Yellow Billed Babbler; LC LC 2 9 2 √ Family: keywords: cloud; cloud forest; common; die; family; forest; habitat; lanka; lc lc; national; species; sri cache: jtfe-3481.pdf plain text: jtfe-3481.txt item: #79 of 158 id: jtfe-3482 author: Arunkumar, A. N.; Chauhan, Shakti title: Assessment of Root Plate Structure in Wind-Thrown Trees of Melia dubia date: 2018-06-30 words: 2058 flesch: 66 summary: Uprooting of trees due to storm or wind damage provides an ideal opportunity to obtain critical understanding about tree roots. Studies on tree roots provide basic information to plantation managers about effect of spacing and thinning needed for raising trees. keywords: depth; dubia; girth; plate; root; tree cache: jtfe-3482.pdf plain text: jtfe-3482.txt item: #80 of 158 id: jtfe-3483 author: Gamage, S.S.N.; Ratnayake, R.M.T.S.; Senadhira, A.M.A.D.M.; Weerasinghe, D.A.; Waduge, V.A. title: Radioactive and Non-Radioactive Element Analysis of Dorado Gas Discovery of Sri Lanka and Their Influence on Natural Environment date: 2018-06-30 words: 3343 flesch: 56 summary: Table 2 consist of NORM concentration levels in oil, gas and their byproducts from IAEA safety report (2003), hence when compared that levels with NORM levels of reservoir section it implies that the activity concentration result levels in a low range. Table 2: Concentration levels of NORM in oil, gas and by products IAEA safety report (2003). keywords: gas; lanka; levels; norm; ppm; results; sri cache: jtfe-3483.pdf plain text: jtfe-3483.txt item: #81 of 158 id: jtfe-3484 author: Bandara, W.A.R.T.W.; Udadini, K.M.E. title: Community and Industry Attitude Towardsusing Invasive Prosopisjulifloraas a Dry Matter Energy Sourcefor Small Scale Industries: A Case Study in Hambantota, Sri Lanka date: 2018-06-30 words: 4032 flesch: 46 summary: Hundred percent of respondents use Manilkarahexandra ,followed by Drypetessepiaria (80.00%), Leucaenaglauca (33.3%), Gliricidiasepium(16.4%) and other types of trees (43.3%) such as Azadirachtaindica, Limoniaacidissima and Prosopisjuliflora as fuel wood sources for their stoves. About 61% of respondents believe that about low moisture content of P.juliflora fuel wood increases the efficiency and decreases the time taken for ignition. keywords: community; energy; fuel; hambantota; industries; p.juliflora; source; species; sri; use; wood cache: jtfe-3484.pdf plain text: jtfe-3484.txt item: #82 of 158 id: jtfe-3759 author: Ratnayake, A.S. title: Paleoenvironmental Reconstructions using Organic Source Indicators: A Summary of Examples from Sri Lanka date: 2019-01-31 words: 4565 flesch: 44 summary: Figure 1: Simplified geological map of Sri Lanka shows the important study sites discussed in this overview (modified after Ratnayake et al., 2017a). Ratnayake /Journal of Tropical Forestry and Environment Vol. 8, No. 02 (2018) 1-12 7 Figure 5: The modified Van Krevelen diagram shows kerogen types in the offshore Mannar Basin (modified after Ratnayake et al., 2018a). keywords: basin; et al; figure; geochemical; geochemistry; lanka; meyers; ratnayake; sampei; sedimentary; sediments; sri cache: jtfe-3759.pdf plain text: jtfe-3759.txt item: #83 of 158 id: jtfe-3760 author: Abeysekara, A.M.S.K.; Yatigammana, S.K.; Premakantha, K.T. title: Biomass and Carbon Stock Estimation of Udawattakele Forest Reserve in Kandy District of Sri Lanka date: 2019-01-31 words: 6156 flesch: 60 summary: Species composition and community structure had significant impacts on biomass carbon density. Field Guide for forest biomass and carbon Estimation (2011). keywords: biomass; carbon; diameter; forest; ground; lanka; natural; sri; stock; total; trees; ufr cache: jtfe-3760.pdf plain text: jtfe-3760.txt item: #84 of 158 id: jtfe-3761 author: Marasinghe, S.S.; Perera, P.K.P.; Dayawansa, P.N. title: Putrescible Waste Landfills as Bird Habitats in Urban Cities: A case from an Urban Landfill in the Colombo District of Sri Lanka date: 2019-01-31 words: 6437 flesch: 54 summary: As such, control and management of landfill birds has been recognized as an important aspect in urban landfill management (Cook et al., 2008; Martin, 2012). Although the abundance of bird species was comparatively low in the active dumping site, this habitat accommodates a greater diversity of species. keywords: abundance; area; birds; cattle; dumping; dumping site; egrets; feeding; foraging; house; landfill; management; site; species; waste cache: jtfe-3761.pdf plain text: jtfe-3761.txt item: #85 of 158 id: jtfe-3763 author: Olaniyi, O.E.; Ogunjemite, B.G.; Akindele, O.S.; Sogbohossou, E.A.; Zakaria, M.H. title: Degree and Determinants of Host Communities’ Socio-Economic Dependence on Forest Products of Pendjari National Park, Benin Republic: Automatic Linear Modelling Technique date: 2019-01-31 words: 6297 flesch: 54 summary: Thus, the Forest Dependence Index (FDI) of individual household (6) Determinants of host communities’ socio-economic dependence on forest products The automatic linear modelling algorithm (Equation 7) through forward stepwise model selection method (Yang, 2013) was employed to know the households’ socio-economic characteristics that determine host communities dependence on forest products. Over the past years, the recognition of the prevalent dependence of host communities on forest products and the poverty-forest use relationships have generated an increasing scientific concern in demonstrating their socio-economic dependence on forest products and understanding its drivers (Mamo et al., 2007; Thondhlana et al., 2012; DOF et al., 2014; Lawry et al., 2015). keywords: communities; community; dependence; et al; food; forest; forest products; host; host communities; household; income; national; park; pendjari; products; socio cache: jtfe-3763.pdf plain text: jtfe-3763.txt item: #86 of 158 id: jtfe-3764 author: Wakawa, L.D.; Ogana, F.N.; Adeniy, T.E. title: State of a Lowland Tropical Forest in South-West Nigeria date: 2019-01-31 words: 5164 flesch: 54 summary: Other factors responsible for the decline in forest reserve according to Adekunle et al., (2010) includes; dearth of manpower and capacity of staff of Forestry Department, obsolete laws and stoppage of payment of annual royalty. Therefore, this study assessed the tree species diversity, richness and structure of Oluwa forest reserve with the view of ascertaining it present state which is crucial for management and conservation purposes. keywords: diversity; et al; forest; forest reserve; nigeria; oluwa; reserve; species; tree; tropical cache: jtfe-3764.pdf plain text: jtfe-3764.txt item: #87 of 158 id: jtfe-38 author: Fernando, Sachini Dinusha; Karunaratne, M.M.S.C. title: Ethnobotanicals for Storage Pest Management: Effect of powdered leaves of Olax zeylanica in suppressing infestations of rice weevil Sitophilus oryzae (Coleoptera: Curculionidae) date: 2012-05-22 words: 3404 flesch: 61 summary: Mean Percentage Mortality± SD for five replicates (n = 150) HAT – Hours AfterTreatment The analyzed results of the present study indicated a similar dose and time dependent pattern of mortality when adult S. oryzae weevils were directly exposed to fumes of O. zeylanica leaf powder (Table2). Percentage adult weevil mortality in treated rice tested with three doses of O. zeylanica leaf powder at all the time intervals (except for 1.0g) was significantly higher (p < 0.05) than that of the corresponding control. keywords: adult; leaf; powder; toxicity; zeylanica cache: jtfe-38.pdf plain text: jtfe-38.txt item: #88 of 158 id: jtfe-3944 author: De Silva, S.; Wijayathilaka, N. title: Bioacoustics of Sri Lankan Amphibians: a Review of Current Knowledge and Conservation Significance date: 2019-08-03 words: 2749 flesch: 44 summary: De Silva and Wijayathilaka /Journal of Tropical Forestry and Environment Vol. 9, No. 01 (2019) 1-6 1 Feature Article Bioacoustics of Sri Lankan Amphibians: a Review of Current Knowledge and Conservation Significance De Silva S. and Wijayathilaka N.* Department of Zoology, University of Sri Jayewardenepura, Nugegoda, Sri Lanka Abstract Acoustic inventory of Sri Lankan amphibians is still in a primitive stage. This work emphasises that the current knowledge on the vocalisation of Sri Lankan amphibians is not adequate and highlighted its applications towards conservation and planning. keywords: calls; conservation; et al; meegaskumbura; species; sri; wijayathilaka cache: jtfe-3944.pdf plain text: jtfe-3944.txt item: #89 of 158 id: jtfe-3945 author: Suraj, P.G.; Suresh, M.; Ranjeeth Babu, P.; Varghese, M. title: Variation in Rooting Pattern of Leucaena leucocephala in Relation to Propagation System and Stock Mother Plants date: 2019-08-03 words: 6146 flesch: 59 summary: Majority of rooted cuttings from open sand beds (85%) and CMA (93%) had less than 2.5 cm root zone. Propagation system has an influence on the proportion of rooted cuttings with long root zone. keywords: beds; cuttings; leucaena; mother; plants; rooting; roots; sand; stem cache: jtfe-3945.pdf plain text: jtfe-3945.txt item: #90 of 158 id: jtfe-3946 author: Subasinghe, S.M.C.U.P; Millaniyage, K.P.; Hettiarachchi, D.S. title: Determining the Performance of Plantation Grown Young Santalum album L. with Different Host Species date: 2019-08-03 words: 3711 flesch: 56 summary: S. album is an obligate hemi-parasite, and obtains certain nutrients from potential host trees via root connections called haustoria. In order to test the impacts of different host species, a field trial of two hosts per S. album was established and maintained for three years for this study. keywords: album; combinations; growth; host; s. album; sandalwood; species cache: jtfe-3946.pdf plain text: jtfe-3946.txt item: #91 of 158 id: jtfe-3947 author: Dereje, O.A.; Duguma, I.D. title: Woody Species Composition and Natural Regeneration Status of Ades Forest, Oromia Regional State, West Hararghe Zone, Ethiopia date: 2019-08-03 words: 5286 flesch: 52 summary: In order to use the regeneration analysis outcomes for priority setting, woody plant species in the study area were grouped into three regeneration status classes (priority classes for conservation) based on the method reported by (Simon and Girma, 2004). Ecology of seedling regeneration. keywords: composition; ethiopia; forest; individuals; mature; natural; plant; population; regeneration; regeneration status; saplings; seedlings; species; status; study; tree; woody cache: jtfe-3947.pdf plain text: jtfe-3947.txt item: #92 of 158 id: jtfe-3948 author: Samarawickrama, V.A.M.P.K.1; Kumara, H.I.G.C.; Samarawickrama, D.R.N.S. title: Diversity of Reptiles in the Eastern and Southern parts of the Sinharaja Rain Forest date: 2019-08-03 words: 4051 flesch: 55 summary: According to their findings, 44% of reptile species of this rain forest area are endemic to Sri Lanka and among them 19% are endangered (Karunarathna and Amarasinghe, 2011). Key words: Sinharaja forest reserve, lowland rain forests, montane sub-montane, reptiles, diversity 1. keywords: diversity; endemic; figure; forest; habitats; lanka; montane; rain; reptile; sinharaja; species; sri cache: jtfe-3948.pdf plain text: jtfe-3948.txt item: #93 of 158 id: jtfe-3950 author: Kaluthanthri, D.V.S.; Dasanayaka, P.N. title: Genetic Variability Assessment of Sorghum (Sorghum bicolor (L.) Moench) Germplasm Accessions using Qualitative Morphological Descriptors date: 2019-08-03 words: 5097 flesch: 60 summary: There are number of sorghum germplasm accessions conserved at Plant Genetic Resource Center (PGRC), Gannoruwa, Sri Lanka. 5. Conclusion Gower distance matrix obtained by following Ward minimum variance clustering method is a suitable method for classifying sorghum germplasm accessions with respect to qualitative morphological traits. keywords: accessions; cluster; colour; germplasm; iii; plant; sorghum; sri; traits cache: jtfe-3950.pdf plain text: jtfe-3950.txt item: #94 of 158 id: jtfe-3952 author: Jayasekara, E.G.D.P.; Prabhath, M.C.; Mahaulpatha, W.A.D. title: Microhabitat Utilisation of Endemic Lizard Calotes nigrilabris in the Grasslands of Horton Plains National Park, Sri Lanka date: 2019-08-03 words: 5275 flesch: 53 summary: The comparison of available microhabitat variables with occupied microhabitat variables revealed that there was a significant difference between some of the variables (Man-Whiteney U test, p<0.05) indicating that C. nigrilabris was selective in its microhabitat utilisation. The results of this study indicate that C. nigrilabris actively selects and utilises the most suitable grassland microhabitats of HPNP and provide important insights for the conservation and management of the species as well as its natural habitat. keywords: adult; cover; microhabitat; nigrilabris; percentage; perch; plant; rhododendron; soil; species; ulex cache: jtfe-3952.pdf plain text: jtfe-3952.txt item: #95 of 158 id: jtfe-3953 author: Wanodya, W.G.M.U.; Perera, H.P.N. title: Perception of Generation Y on Waste Disposal and Waste Management in Sri Lanka with special reference to undergraduates of private universities in Colombo date: 2019-08-03 words: 5398 flesch: 56 summary: The results revealed (based on p-value) that there is no association between gender and student perception on waste management. Furthermore student’s concern about the environment and waste management was moderate. keywords: disposal; environment; gender; generation; lanka; management; sri; table; waste cache: jtfe-3953.pdf plain text: jtfe-3953.txt item: #96 of 158 id: jtfe-3954 author: Ogana, F.N; Dau, J.H. title: Deriving Tree Crown Distributions from Diameter at Breast Height date: 2019-08-03 words: 3317 flesch: 58 summary: It could be basal area distribution, volume distribution, crown area or crown diameter distribution. Therefore, the main objective of this study was to derive tree crown distribution from diameter at breast height using transformation. keywords: crown; dbh; diameter; distribution; forest; logistic; methods; tree; weibull cache: jtfe-3954.pdf plain text: jtfe-3954.txt item: #97 of 158 id: jtfe-3955 author: Musau, J.M.; Mugo, J.M. title: Influences of Human Activities on Tree Density and Diameter Distribution in Museve and Mutuluni Dryland Forest Fragments; Kitui County, Kenya date: 2019-08-03 words: 5490 flesch: 56 summary: Since then, Mutuluni forest was left to recover naturally while Museve forest underwent several human interventions including introduction of exotic tree species and enrichment planting by forest management (Mbuvi et al., 2010). Besides Museve forest is more close to Kitui town and has higher adjacent human population density (197 people/km2) compared to Mutuluni forest (24 people/km2) (KNBS, 2010). keywords: activities; area; density; diameter; distribution; forest; human; museve; mutuluni; species; stem; tree cache: jtfe-3955.pdf plain text: jtfe-3955.txt item: #98 of 158 id: jtfe-4463 author: Young, S.M. title: Grain Size and Chemical Composition of Sediments to Determine the Governing Geochemical Processes in Fluvial Environments date: 2020-02-11 words: 5339 flesch: 54 summary: The objective of studying the Kuma River and Yatsushiro Bay is to identify the effect of Kuma River sediments on Yatsushiro Bay after opening of the Arase dam gates 2010 April, and document the geoenvironmental conditions of Yatsushiro Bay and the Kuma River. The geomorphologic evolution and the fingerprint of an area’s geological setting can be provided by using tracing studies for river sediments (Roser and Korsch, 1999). keywords: bay; grain; kuma; kuma river; mahaweli; river; sediments; size; weathering; yatsushiro; young cache: jtfe-4463.pdf plain text: jtfe-4463.txt item: #99 of 158 id: jtfe-4464 author: Pandian, E.; Ravichandran, P. title: Diversity and Threatened Climber Plants in Tropical Forests of Courtallam Hills, Southern Western Ghats, India date: 2020-02-11 words: 4694 flesch: 62 summary: India Date Received: 26-11-2019 Date Accepted: 14-12-2019 Abstract Investigated the distribution of climber and its conservation status in tropical forests of Courtallam hills in southern Western Ghats of Tamil Nadu, India during 2017-2018. Introduction Lianas are woody climbers that are an abundant and diverse group of plants in tropical forests (Schnitzer and Bongers, 2002; Yang et al., 2018), where they comprise up to 32% of woody stems and 35% of woody species richness (Schnitzer et al., 2011; De Walt et al., 2015). keywords: bongers; climber; climbing; diversity; ecology; forest; ghats; india; liana; parthasarathy; plants; schnitzer; southern; species; tropical cache: jtfe-4464.pdf plain text: jtfe-4464.txt item: #100 of 158 id: jtfe-4465 author: Borah, N.; Borua, P.K.; Roy, S.; Saikia, S.P. title: Physiochemical Studies in Seedlings of Teak (Tectona grandis Linn. f.) of North East India in Relation to Drought Resistance for Selection of Improved Germplasm date: 2020-02-11 words: 8191 flesch: 59 summary: Plant water stress and K + starvation reduce absorption of foliar applied K + by olive leaves. Water stress treatment revealed that plant height, leaves number/plant, average leaf area, N, P, K, Ca, Cl and Na content were significantly decreased by increasing the level of water stress conditions in all studied accessions. keywords: accessions; area; content; drought; drought stress; gku-24; irrigation; leaf; leaves; lsd; plant; stress; table; treatments; value; water; water stress cache: jtfe-4465.pdf plain text: jtfe-4465.txt item: #101 of 158 id: jtfe-4466 author: Hasnat, G.N.T.; Hossain, M.A.; Hossain, M.K. title: Pre-Sowing Treatments Accelerate Germination Percent for Restoration of Fourteen Threatened Tree Species in Bangladesh date: 2020-02-11 words: 3452 flesch: 55 summary: Effect of pre-sowing treatments on seed germination and seedling growth of Canarium resiniferum, a rare native tree of Bangladesh. Keywords: Pre-sowing treatment, globally and nationally threatened tree species, germination rate, hard or soft-coated seed, Bangladesh 1. keywords: bangladesh; control; figure; germination; hossain; house; propagator; seeds; sown; species; treatment cache: jtfe-4466.pdf plain text: jtfe-4466.txt item: #102 of 158 id: jtfe-4467 author: Abeysingha, N.S.; Madusanka, M.I.; Rotawewa, B.; Gunasena, N. title: Variation of Water Quality of Four Micro Watersheds Outlets in Upstream of Mahaweli River during Maha Cropping Season date: 2020-02-11 words: 4251 flesch: 51 summary: Zn (ppm) 0.0 0.0 0.0 0.0 2.0 2.0 3.2 Variation of mean water quality parameters with the FAO and WHO guidelines The pH values recorded in watersheds water were within the standard range of irrigation and drinking water quality standard of FAO and WHO respectively. Monitoring water quality is crucial to understand watershed health and for establishing appropriate watershed management plan (Charalampous et al., 2015). keywords: drinking; irrigation; micro; quality; river; table; water; water quality; watersheds cache: jtfe-4467.pdf plain text: jtfe-4467.txt item: #103 of 158 id: jtfe-4468 author: Muthumala, C.K.; Silva, S. De; Arunakumara, K.K.I.U.; Alwis, P.L.A.G. title: Identifying the Strength Grade for Finger Jointed Timber Species According to BS 5268-2:2002 date: 2019-12-11 words: 3883 flesch: 55 summary: Species Clear timber section (N mm -2 ) Finger jointed timber section (N mm -2 ) Strength reduction percentage % Teak 24.45 18.20 25.54 Satin 42.21 36.62 13.24 Mahogany 15.62 13.51 13.51 Jack 14.93 14.70 1.53 Kumbuk 29.53 20.17 31.68 Grandis 15.61 13.55 13.22 Pine 15.89 15.40 3.04 Table 6 depicts that compression perpendicular to grain test significantly different from bending and compression test results because finger jointed timber strengths have been increased for all the specimens other than Jack compared to clear timber. The present study was undertaken to assess the strength grade of finger jointed timber based on BS 5268-2:2002. keywords: clear; finger; grade; species; strength; table; timber cache: jtfe-4468.pdf plain text: jtfe-4468.txt item: #104 of 158 id: jtfe-4469 author: Abhayawardhana, M.L.D.D.; Bandara, N.J.G.J.; Rupasinge, S.K.L.S. title: Removal of Heavy Metals and Nutrients from Municipal Wastewater using Salvinia molesta and Lemna gibba date: 2019-12-11 words: 5941 flesch: 58 summary: However, both S. molesta and L. gibba can be considered as suitable candidates for the removal of nutrients and these heavy metals (Cr, Cu, Fe, Ni and Pb) from wastewater even at low heavy metal concentrations. The final fresh weight of S. molesta plants was the highest because of its high moisture content. keywords: concentration; gibba; l. gibba; molesta; removal; s. molesta; values; wastewater cache: jtfe-4469.pdf plain text: jtfe-4469.txt item: #105 of 158 id: jtfe-4470 author: Panda, M.; Lele, N.; Samal, R.N.; Dalai, D.; Parida, S.P.; Murthy, T.V.R. title: Insect Flower Visitors and their Role in Mangrove Pollination: A Study from East Coast of India date: 2019-12-11 words: 5915 flesch: 53 summary: 48 N Latitude) in the view of better protection of mangrove species, with special reference to residing salt water crocodiles (i.e., Crocodylus porosus), Olive ridley sea turtle (i.e., Lepidochelis olivacea) and many other threatened fauna and flora residing inside and in connection to the ecosystem. Figure 5: Insect group and their visited number of mangrove species. keywords: ant; bee; bees; beetle; butterfly; flowers; https://en.wikipedia.org/wiki/lepidoptera; insects; lepidoptera; mangrove; pollination; raju; species; spp cache: jtfe-4470.pdf plain text: jtfe-4470.txt item: #106 of 158 id: jtfe-4471 author: Jayakody, M.M; Vanniarachchy, M.P.G; Wijesekara, I. title: Composition analysis of selected Sri Lankan seaweeds date: 2019-12-11 words: 3551 flesch: 59 summary: The moisture content, total fat content, protein content and ash content were determined according to the Official methods of Analysis by Association of Official Analytical Chemists after drying for 8h at 600 C. The results revealed that the moisture contents (%) of Chnoospora minima, Porphyra sp. and Ulva fasciata were 13.24 ± 0.20, 14.30 ± 0.14 and 18.11 ± 0.01 respectively. Protein contents (%) of Chnoospora minima, Porphyra sp. and Ulva fasciata were 13.70 ± 0.2, 21.14 ± 0.04 and 11.84 ± 0.1. keywords: chnoospora; content; minima; porphyra; sample; seaweed cache: jtfe-4471.pdf plain text: jtfe-4471.txt item: #107 of 158 id: jtfe-4472 author: Tejavathi, D.H.; Sumalatha, B.S.; Nijagunaiah, R.; Anitha, P.; Gayatramma, K. title: Studies on the factors that restrict sexual reproduction and fruit setting in Memecylon flavescens – an endangered taxon date: 2019-12-11 words: 2640 flesch: 57 summary: Hence, the present investigation is an attempt to identify the factors responsible for very low percent of fruit setting by analysing flower morphology, pollen fertility in addition to histological studies of flower buds of various stages. Kolesik et al., 2018 have observed gall midge infestation of flower buds in Alstoemeria that has led to the malformed flowers; turned necrotic later. keywords: buds; flower; gall; gamble; memecylon; pollen; species cache: jtfe-4472.pdf plain text: jtfe-4472.txt item: #108 of 158 id: jtfe-4473 author: Srinivas, S.G.; Krishnamurthy, Y.L. title: Altitude and Ecological distribution of genus Litsea (Lauraceae) in Western Ghats of Karnataka, India date: 2019-12-11 words: 5075 flesch: 57 summary: Litsea species were collected from 2013 to 2018 in different sampling sites. The highest number of Litsea species occurred in Sakaleshpur region (10 species) and Mullayyanagiri region having only one species that is L. floribunda. keywords: distribution; diversity; genus; ghats; india; karnataka; litsea; region; sites; soil; species; study cache: jtfe-4473.pdf plain text: jtfe-4473.txt item: #109 of 158 id: jtfe-4474 author: Jeevanantham, J.J.; Dissanayake, D.A.T.W.K.; Liyanaarachchi, G.V.V; Mubarak, M.N.A.; Wijesinghe, W.M.A.K.; Wijegunasekara, J.K.A.B. title: Method Validation for Analysis of Aroclor 1260 in Transformer Oil using Gas Chromatography – Electron Capture Detection date: 2019-12-11 words: 3445 flesch: 49 summary: Bowman, J. et al. 2010. Discussion In literature, PCB analysis has been carried out mainly using non polar solvents such as hexane, dichloromethane and toluene followed by SPE clean up (Na et al., 2008; Gordon, Szlta and Feeder, 1982). keywords: analysis; aroclor; doi; method; oil; pcbs; ppm; transformer cache: jtfe-4474.pdf plain text: jtfe-4474.txt item: #110 of 158 id: jtfe-4685 author: Ratnayake, A.S. title: Characteristics of Lowland Tropical Peatlands: Formation, Classification, and Decomposition date: 2020-08-21 words: 6342 flesch: 55 summary: Hydrology is a fundamental factor to the formation and function of tropical peatlands. Tropical peatlands store abundant organic matter. keywords: carbon; change; coastal; decomposition; emissions; et al; figure; holocene; journal; matter; page; peatlands; sri; tropical; vegetation; water cache: jtfe-4685.pdf plain text: jtfe-4685.txt item: #111 of 158 id: jtfe-4686 author: Sen, U.K.; Bhakat, R.K. title: Floristic and Phytoclimatic Study of an Indigenous Small Scale Natural Landscape Vegetation of Jhargram District, West Bengal, India date: 2020-08-21 words: 8687 flesch: 74 summary: Ph N Me NE Trichosanthes tricuspidata Lour. A Sep.-May Ch - Le NE Parkinsonia aculeate L. T P Oct.-Jun. keywords: bercht; c p; form; grove; h p; india; juss; l. h; l. s; l. t; leaf; life; ma ne; ph n; presl; s p; sen; species; spectra; spectrum; t p cache: jtfe-4686.pdf plain text: jtfe-4686.txt item: #112 of 158 id: jtfe-4687 author: Ghimire, P. title: Carbon Stocks in Chir Pine (Pinus roxburghii) Forests on Two Different Aspects in the Mahabharat Region of Makawanpur, Nepal date: 2020-08-21 words: 8687 flesch: 74 summary: Ph N Me NE Trichosanthes tricuspidata Lour. A Sep.-May Ch - Le NE Parkinsonia aculeate L. T P Oct.-Jun. keywords: bercht; c p; form; grove; h p; india; juss; l. h; l. s; l. t; leaf; life; ma ne; ph n; presl; s p; sen; species; spectra; spectrum; t p cache: jtfe-4687.pdf plain text: jtfe-4687.txt item: #113 of 158 id: jtfe-4688 author: Karunarathne, H.M.L.P.; Gunawardena, U.A.D.P. title: Economic Value of Urban Green Space: A Travel Cost Approach for Viharamahadevi Urban Park, Sri Lanka date: 2020-08-21 words: 5696 flesch: 53 summary: The rest of the paper is organized as follows: the next section provides an overview on benefits and economic values of urban parks which is followed by study methodology, results, discussion, conclusion and policy implications. Estimation of recreational value of the Wasgamuwa national park. keywords: benefits; cost; individual; management; number; park; site; sri; travel; urban; valuation; value; visits cache: jtfe-4688.pdf plain text: jtfe-4688.txt item: #114 of 158 id: jtfe-4689 author: Kalubowila, J.D.; Singhakumara, B.M.P.; Rajathewa, R.A.M.P.M. title: Floristic Survey of Meethirigala Forest Reserve in Gampaha District date: 2020-08-21 words: 4489 flesch: 46 summary: Anacardiaceae Tree Nothopegia beddomei Anacardiaceae Tree Indegenous LC Anacardium occidentale Anacardiaceae Tree Indegenous Lannea coremandelica Anacardiaceae Tree Indegenous LC Mangifera indica Anacardiaceae Tree Exotic Camponosperma zeylanica Anacardiaceae Tree Endemic LC Uvaria zeylanica Annonaceae Climber Indegenous LC Cyathocalyx zeylanica Annonaceae Tree Indegenous LC Polyalthia cerasoides Annonaceae Tree Indegenous LC Polyalthia korinti Annonaceae Tree Indegenous LC Xylopia paviflora Annonaceae Tree Indegenous LC Desmos elegans Annonaceae Tree Endemic VU Goniothalamus gardneri Annonaceae Shrub Endemic VU Miliusa indica Annonaceae Shrub Indegenous LC Alstonia macrophylla Apocynaceae Tree Exotic Alstonia scolaris Apocynaceae Tree Indegenous LC Ochrosia oppositifolia Apocynaceae Tree Indegenous VU Pagiantha dichotoma Apocynaceae Tree Indegenous LC Leptadenia reticulate Apocynaceae Climber Indegenous LC Caryota urens Arecaceae Tree Indegenous LC Areca Ebenaceae Tree Indegenous VU Diospyros hirusta Ebenaceae Tree Endemic VU Elaeocarpus serratus Elaeocarpaceae Tree Indegenous LC Botanical name Family Life form Taxonomic status Conservation status Hevea brasiliensis Euphorbiaceae Tree Indegenous Bridelia mooni Euphorbiaceae Tree Endemic LC Bridelia retusa Euphorbiaceae Tree Indegenous LC Macaranga peltata Euphorbiaceae Tree Indegenous LC Aporusa lanceolata Euphorbiaceae Tree Endemic LC Chaetocarpus castanocarpus Euphorbiaceae Tree Endemic LC Mallotus rhamnifolius Euphorbiaceae Tree Indegenous LC Sauropus androgynous Euphorbiaceae Shrub Indegenous LC Aporusa lindleyana keywords: climber; conservation; diversity; endemic; forest; indegenous; lanka; meethirigala; plots; reserve; ridge; species; sri; status; tree cache: jtfe-4689.pdf plain text: jtfe-4689.txt item: #115 of 158 id: jtfe-4690 author: Iyekekpolor, A.C.; Balogun, T.F. title: A Geospatial Assessment of Deforestation of Sokponba and Ehor Forest Reserves in Edo State date: 2020-06-30 words: 4647 flesch: 60 summary: The current state of the reserves with little or no forest remaining, negated the essence of its delineation as forest reserves areas. Forest reserves are thus areas of forests which are reserved and managed for conservation and to provide special opportunities for study or research. keywords: ehor; figure; forest; forest reserve; land; nigeria; reserve; sokponba; state cache: jtfe-4690.pdf plain text: jtfe-4690.txt item: #116 of 158 id: jtfe-4691 author: Kinyili, B.M.; Ndunda, E.; Kitur, E. title: Influence of Agroforestry on Rural Income and Livelihood of Smallholder Farmers in the Semi-Arid Region of Sub Saharan Africa date: 2020-08-21 words: 6390 flesch: 55 summary: This concurs with other studies which indicated that earning from crops, livestock and trees among agroforestry adopters is often higher owing to the income earned from sales of the crops, livestock and trees from the agroforestry (Neupane and Thapa, 2001; Franzel, 2004; Namwata et al., 2012; Kareem et al., 2016; Kassie, 2018). This study also determined the influence of adoption of agroforestry practices on rural livelihood of smallholder farmers and found that adopters of agroforestry had increased food supply, improved educational attendance and increased energy in the household, which concurs with several studies among agroforestry adopters (Quandt and McCabe 2017; Quandt et al., 2018). keywords: adopters; agroforestry; agroforestry adopters; et al; expenditure; household; income; livelihood; machakos; non adopters; products; study; total; wood cache: jtfe-4691.pdf plain text: jtfe-4691.txt item: #117 of 158 id: jtfe-4858 author: Gangadhara, K.R. title: Effects of Regulation/ Deregulation on Natural Resource Management for Market Efficiency, with Special Reference to Aggregates Mining date: 2021-03-23 words: 4962 flesch: 41 summary: To solve environmental problems related to sand exploitation, it is necessary to establish a complex regulatory system that comprises: environmental regulation, sand exploitation regulation, and land use planning regulation (Rodriguez, 2017). After the 2008 economic crash, many governments selectively removed environmental regulations to boost return on private investment and promote growth and employment, and downgraded protected area designations (Apostolopoulou and Adams, 2015). keywords: economic; efficiency; environment; governance; growth; journal; management; market; mining; new; regulation; resources; sand cache: jtfe-4858.pdf plain text: jtfe-4858.txt item: #118 of 158 id: jtfe-4860 author: Marasinghe, S.S. ; Perera, P.K.P. title: Nature-Based Recreational Experiences at Coastal Wetlands: An Application of Importance-Performance Analysis at Bundala National Park Sri Lanka date: 2021-03-23 words: 7604 flesch: 49 summary: Visitor satisfaction plays a vital role in development and long-term sustainability of the tourism business (Perera and Vlosky, 2013; Prakash et al., 2019). Visitor satisfaction is described as a result of the comparison between the experience at the destination and the expectations about the destination (Pizam et al., 1978). keywords: analysis; destination; experience; importance; journal; management; national; nature; park; performance; respondents; satisfaction; tourism; visitor; wildlife cache: jtfe-4860.pdf plain text: jtfe-4860.txt item: #119 of 158 id: jtfe-4861 author: Deb, D. ; Deb, S. ; Debbarma, J. title: Management Regimes, Soil Properties and Carbon Stock in Community Managed Forests date: 2021-03-23 words: 5748 flesch: 62 summary: In community forests, maximum numbers of individuals of tree species were represented from the lower girth class while individuals from higher girth class contributed larger biomass and carbon. The soil of community forests are very fertile and found acidic in nature. keywords: biomass; carbon; community; depth; forest; fuelwood; girth; india; management; people; resources; soil; species; timber; total; tripura cache: jtfe-4861.pdf plain text: jtfe-4861.txt item: #120 of 158 id: jtfe-4862 author: Milkisso, K.P. title: Undergraduate University Students’ Knowledge, Attitude and Behavior towards Biodiversity date: 2021-03-23 words: 6380 flesch: 40 summary: Cronbach’s coefficient of the questionnaire was calculated for the sample respectively 0.69 for environmental knowledge, 0.61 for environmental attitudes and 0.58 for environmental behavior, which indicates good internal consistency of the items. Since environmental knowledge and attitude assessed out of 100, for the sake of simplicity in correlation, the environmental practice score also converted to 100. keywords: attitude; behavior; biodiversity; biology; conservation; education; environmental; geography; journal; knowledge; students; study cache: jtfe-4862.pdf plain text: jtfe-4862.txt item: #121 of 158 id: jtfe-4863 author: Dissanayaka, D.M.S.K. ; Wijayaratne, L.K.W. title: Common Agricultural Practices and Post-Harvest Losses in Trincomalee, Sri Lanka date: 2021-03-23 words: 3041 flesch: 59 summary: Therefore it is worth surveying the nature of crop losses following harvest in the other warmer parts of the country. Post-harvest losses of agricultural commodities vary with the geographical location (Mvumi and Stathers, 2014; Kumar and Kalita, 2017; Wijayaratne et al., 2018). keywords: crops; farmers; harvest; losses; nilaveli; paddy; post; sri; storage cache: jtfe-4863.pdf plain text: jtfe-4863.txt item: #122 of 158 id: jtfe-5364 author: Perera, D.L. title: Origin and Transmission of Covid-19 as a Negative Outcome of Anthropogenic Ecocide date: 2021-11-22 words: 8962 flesch: 50 summary: Barbier (2021) anthropogenic influence on ecosystems triggers EIDs such as COVID-19 resulted due to zoonotic disease spillover and the best example of a potential outbreak directly related inter-species pathogen spillover (Chin et al., 2020; Gibb et al., 2020; Kenyon, 2020; White and Razgour, 2020; Austin, 2021; Delahay et al., 2021). Ostfeld (2009) alarms emerging zoonotic pathogen transmissions are triggered by current unprecedented habitat declines which should be prevented by preserving the intact ecosystems and their endemic biodiversity as generally reduce probability of future zoonotic emergence (Keesing et al., 2010; Smith and Guégan, 2010; Karesh et al., 2012; Nazir et al., 2021; Petrovan et al., 2021). keywords: biodiversity; covid-19; diseases; emergence; environment; et al; global; health; human; pandemic; spillover; transmission; zoonotic cache: jtfe-5364.pdf plain text: jtfe-5364.txt item: #123 of 158 id: jtfe-5367 author: Muhammad, Z.A. ; Javed, M.A. ; Yasin, G. ; Ahmad, I. title: Effect of Various Agroforestry Tree Species on Soil Chemical Properties of Irrigated Tree Plantation of Pakistan date: 2021-11-22 words: 6111 flesch: 57 summary: The concentrations of the organic matter recorded in A. nilotica, D. sissoo, and E. camaldulensis soils were 1.226, 1.125, and 1.085% respectively (Table 1). Soil S was higher in A. nilotica soil while Cl was higher in E. camaldulensis soil. keywords: away; camaldulensis; canopy; depth; journal; litter; nilotica; plant; properties; sissoo; soil; species; tree cache: jtfe-5367.pdf plain text: jtfe-5367.txt item: #124 of 158 id: jtfe-5368 author: Maduwanthi, A.K.M.R.B. ; Karunarathna, B. ; Wickramasingha, I. title: Impact of Vermicompost as a Base Fertilizer for Radish (Raphanus sativus L.) Cultivation date: 2021-11-22 words: 4217 flesch: 60 summary: Vermicompost consist of macronutrients such as N, P, K (Nitrogen 2-3%, Phosphorus 1.55-2.25% and Potassium 1.85-2.25%) and micronutrients with advantageous microbes (Actinomycetes, Azotobacter, Rhizobium, Nitrobacter and Phosphate Solubilizing Bacteria, ranging from 102-106 per g of vermicompost) and plant growth regulators (auxins, cytokinins and gibberellins) which are required for plant growth (Chaulagain et al., 2017). Effect of vermicompost on tuber yield status of radish plant Raphanus sativus L. International Journal of Advanced Research in Biological Sciences, 2: 50-55. Samir, S., Vandana, D., Manu, T., and Singh, C. P., 2016. keywords: leaves; plant; radish; vermicompost; wap; weight; yield cache: jtfe-5368.pdf plain text: jtfe-5368.txt item: #125 of 158 id: jtfe-5369 author: Dissanayake, N.U.S. ; Gunathilake, B. M. ; Ranasinghe, S. title: Value Additions on Iron-Oxide Nanoparticles in Laterite Soils Available in South-West Sri Lanka: Development of Effective Filtering Techniques date: 2021-11-22 words: 2930 flesch: 49 summary: Soil has been commonly used in several wastewater treatment systems and showed to be an in effect substrate for phosphate removal and retention. However, these methods of phosphate removal from drain liquids also have certain disadvantages, such as capital costs, operation and maintenance costs, coagulants generate as secondary pollution and complex usage. keywords: adsorption; concentration; efficiency; laterite; phosphate; removal; soil; water cache: jtfe-5369.pdf plain text: jtfe-5369.txt item: #126 of 158 id: jtfe-5370 author: Dilrukshi, P.G.T. ; Subasinghe, S.M.C.U.P. ; Senevirathne, A.M.W.K. ; Nayanakantha, N.M.C. title: Prediction of the Early Growth of Plantation Grown G. walla date: 2021-11-22 words: 2154 flesch: 57 summary: Thereby, growth models become powerful tools in quantification of tree variables which are helpful for the forest managers take effective decisions on their forests. Forest growth models therefore, provide platforms for forest managers to predict the growth, even without years of experience (Vanclay, 1994, Chaudhuri et al., 1995). keywords: agarwood; diameter; growth; height; models; walla cache: jtfe-5370.pdf plain text: jtfe-5370.txt item: #127 of 158 id: jtfe-5590 author: Subasinghe, S.M.C.U.P. ; Hettiarachchige, R.P. title: Endophytic Fungal Species in Tropical Trees: A Review date: 2022-04-17 words: 3919 flesch: 56 summary: Numerous studies have been conducted on such relationships between endophytic fungi and short-term agricultural crops. This study illustrates the studies conducted on endophytic fungi in tropical trees and explores the potential use of such fungi for obtaining benefits. keywords: colletotrichum sp; endophytes; fungal; fungi; fusarium; h h; h l; host; l l; plant; species cache: jtfe-5590.pdf plain text: jtfe-5590.txt item: #128 of 158 id: jtfe-5591 author: Gunarathne, P.K.K.S.; Tennakoon, T.M.S.P.K. ; Edirisinghe, J.C. ; Jayasundara, K.K.I. title: Smallholder Rubber Farming based Agro-tourism: Potential, Attitude and Challenges in Sri Lanka-A Case Study in Moneragala District date: 2022-04-17 words: 5633 flesch: 52 summary: Although in Sri Lanka tourism is a seasonal industry, it has provided around 400,000 direct and indirect employment opportunities (STDA, 2019). Keywords: Agro-tourism, smallholder rubber farming 1. keywords: agro; farming; lanka; level; moneragala; potential; rfat; rss; rubber; smallholders; sri; tourism cache: jtfe-5591.pdf plain text: jtfe-5591.txt item: #129 of 158 id: jtfe-5594 author: Guha, S. ; Debnath, S. ; Gayen, S. title: Comparative Analysis of Hexavalent Chromium Biosorption Efficiency Using Dead and Live Aspergillus nomius Biomass date: 2022-04-17 words: 5336 flesch: 54 summary: The optimum pH for maximum biosorption was 6 when dead biomass was used, while it was 2 when live biomass was used. Maximum Chromium removal of 86% was obtained using 2 g live biomass whereas 0.5 g of dead biomass was enough to obtain the maximum efficiency.96% chromium was removed at 25° C using dead biomass, whereas, maximum removal of about 84% was obtained when live biomass was used for biosorption and it took place at 35° C. Maximum Cr (VI) removal of about 95% was obtained when dead biomass was used and 69% when live biomass was used, both at 1mg/L metal concentration. keywords: biomass; biosorption; chromium; concentration; effect; maximum; metal; removal; solution cache: jtfe-5594.pdf plain text: jtfe-5594.txt item: #130 of 158 id: jtfe-5595 author: Dey, S. ; Hossain, M. K. ; Nandi, R. ; Saifullah, M. title: Effect of Pre-sowing Treatments on Germination and Initial Growth of Terminalia citrina: A Medicinal Tree Species in Bangladesh date: 2022-04-17 words: 4564 flesch: 63 summary: The effect of pre-sowing treatments on seed germination of a few tropical forest tree species have been informed by several authors (Khan et al., 2001; Haider et al., 2014; Nandi et al., 2020 and Dey et al., 2020). Therefore, an endeavour has been made to study the effect of pre-sowing treatments on seed germination to identify appropriate pre-sowing treatment for Terminalia citrina. keywords: bangladesh; citrina; germination; growth; propagator; seeds; soaking; sowing; sown; treatments; water cache: jtfe-5595.pdf plain text: jtfe-5595.txt item: #131 of 158 id: jtfe-5596 author: Mshelia, Z.H. ; Bamgboye, A.I. ; Onilude, M.A. ; Taiwo, O.J. title: Geospatial modelling of Forest Canopy Density and Landscape Assessment in Omo Biosphere Reserve, South-western Nigeria date: 2022-04-17 words: 6104 flesch: 62 summary: Forest areas, forest density and greenness of an area are major issues for the ecosystem, biodiversity and so on (Banerjee et al., 2014). Based on the percentage, each pixel was classified into four classes of forest canopy density: high forest density, mid forest density, low forest density and no forest. keywords: area; biosphere; canopy; change; density; diversity; forest; forest density; index; landscape; mid; omo; patch cache: jtfe-5596.pdf plain text: jtfe-5596.txt item: #132 of 158 id: jtfe-5597 author: Mani, Jugal Kishore ; Varghese, A. O. title: Characterization of forest fire frequency using fire scar mapping of temporal satellite data for forest fire management date: 2022-04-17 words: 4022 flesch: 59 summary: To reduce occurrences of forest fire, proper management of fire is highly important which entails mapping of forest fire frequency and identification of suitable area for watchtowers. Forest fires have environmental impact in terms of tropical biomass burning, which produce large amount of trace gases, aerosol particles, and play a key role in troposphere chemistry and climate anomalies (Kannemadugu et al., 2015). keywords: analysis; area; data; fire; forest; frequency; map; reserve; sensing; varghese; watchtowers cache: jtfe-5597.pdf plain text: jtfe-5597.txt item: #133 of 158 id: jtfe-564 author: de Alwis, Ajith title: A Tool for Sustainability: A Case for Biogas in Sri Lanka date: 2012-05-22 words: 9937 flesch: 41 summary: It is evident that today there is a conducive climate both from policy perspective and in demonstrated technology for utilising biogas energy systems. There are many technical options available for biogas energy systems though falling into few select categories in terms of technical definitions (i.e. low-rate, high-rate, fully mixed, plug flow etc). keywords: biogas; country; energy; energy needs; fossil fuel; fuel; fuel supplies; pilot; pilot scale; sri lanka; technology; technology options; transport fuel cache: jtfe-564.pdf plain text: jtfe-564.txt item: #134 of 158 id: jtfe-566 author: Wijesinghe, Mayuri R; de Silva, V. R. title: Conservation Value of Forest Plantations: A Study of Four Timber Species in Sri Lanka date: 2012-05-22 words: 5077 flesch: 54 summary: √ √ √ √ Dicaeum erythrorynchos √ Dicrurus macrocercus √ √ √ Dinopium benghalense √ Gallas lafayetii * √ √ √ √ Hemiprocne coronate √ √ √ √ Hemipus picatus √ √ √ Hirundo daurica √ √ Hypothymis azurea √ √ Hypsipetes leucocephalus √ Pycnonotus cafer √ Lonchura kelaarti √ Megalaima flavifrons * √ Megalaima haemacephala √ √ √ Megalaima rubricapilla √ √ √ √ Muscicapa latirostris √ √ √ √ √ √ √ Muscicapa sordid √ Nectarinia asiatica √ √ √ Ocyceros gingalensis * √ √ √ √ Oriolus xanthornus √ Orthotomus sutorius √ Phylloscopus magnirostris √ √ √ Pomatorhinus horsfieldii √ Pycnonotus melanicterus √ √ Pycnonotus penicillatus √ √ √ √ Rhopocichla atriceps √ √ Sitta frontalis √ √ √ √ √ Turdus merula √ Turdoides rufescens * √ Zoothera spiloptera * √ √ √ Zosterops ceylonensis * √ √ *Endemic birds *i √ Cacomantis sonneratii √ √ √ Centropus sinensis √ Chalcophaps indica √ √ Collocalia unicolor √ √ √ √ Copsychus malabaricus √ √ √ √ Coracina macei √ √ √ Corvus macrorhynchos √ Culicicapa ceylonensis √ Cyornis tickelliae keywords: abundance; biodiversity; birds; conservation; forest; forestry; grandis; lanka; mahogany; plantations; plants; species; sri; teak; timber; √ √ cache: jtfe-566.pdf plain text: jtfe-566.txt item: #135 of 158 id: jtfe-567 author: Perera, Priyan; Amarasekera, Hiran; Weerawardena, N.D.R. title: Effect of Growth Rate on Wood Specific Gravity of Three Alternative Timber Species in Sri Lanka; Swietenia macrophylla, Khaya senegalensis and Paulownia fortunei date: 2012-05-22 words: 4484 flesch: 54 summary: Specific gravity remained more or less uniform from pith to bark regardless of the fluctuation of ring width in K. senegalensis while S. macrophylla exhibited a slight increase in specific gravity from pith to bark. Hence it is unlikely that wood specific gravity of the studied species to be influenced by accelerated growth rates. keywords: gravity; growth; macrophylla; rate; ring; species; wood cache: jtfe-567.pdf plain text: jtfe-567.txt item: #136 of 158 id: jtfe-569 author: Mohan, S.; Ethirajan, R title: Assessment of Hazardous Volatile Organic Compounds (VOC) in a Residential Area abutting a Large Petrochemical Complex date: 2012-05-22 words: 5658 flesch: 54 summary: Ambient air concentrations, source profiles and source apportionment of 71different C2 - C10 volatile organic compounds in urban and residential areas of Finland. 4,Isopropyltolune 1.42 2.37 Butylbenzene 0.44 0.48 Chloroform 16.85 21.20 1,2-Dichloroetahne 9.50 10.60 Trichlorofluoromethane 0.07 0.02 3.4 BTEX Ratios Ratios between the concentrations of benzene, toluene, ethylbenzene and xylenes (BTEX ratio) are very important and useful information to infer the sources of ambient concentration of various VOCs. keywords: benzene; compounds; concentration; environment; et al; samples; sources; study; toluene; voc cache: jtfe-569.pdf plain text: jtfe-569.txt item: #137 of 158 id: jtfe-571 author: Borokini, T.I.; Babalola, F.D.; Amusa, T.O.; Ivande, S.T.; Wala, Z.J.; Jegede, O.O.; Tanko, D.; Ihuma, J.O. title: Community-based Forest Resources Management in Nigeria: Case study of Ngel Nyaki Forest Reserve, Mambilla Plateau, Taraba State, Nigeria date: 2012-05-28 words: 3350 flesch: 55 summary: Xyridaceae 25 Irvingia gabonensis Irvingiaceae 3.2 Community participation in forest management When Ngel Nyaki forest was to be designated a forest reserve, Yelwa community was relocated to its present location, perhaps one of the very few successful relocation of communities from the forest in Nigeria. It embraces a spectrum of situations ranging from woodlots in areas which are short of wood and other forest products for local needs, through the growing of trees at the farm level to provide cash crops and the processing of forest products at the household, artisan or small industry level to generate income, to the activities of forest dwelling communities” (FAO, 1978). keywords: areas; community; forest; forestry; mambilla; management; ngel; nigeria; nyaki; people; reserve cache: jtfe-571.pdf plain text: jtfe-571.txt item: #138 of 158 id: jtfe-585 author: Jayaweera, M.; Manatunge, J; Witharana, A. title: Are Green Jobs Sustainable for Sri Lankan Economy? date: 2012-11-19 words: 6494 flesch: 42 summary: Training Needs for Effective Green Jobs Having analyzed the questionnaires it was evident that Sri Lankan organizations need comprehensive training packages in order to create green jobs in their respective sectors. As the green job concept as a business case is rather new to Sri Lanka organizations have not initiated necessary action to implement the green jobs. keywords: energy; environment; green; jobs; lanka; organizations; policy; sector; sri; survey; water; work cache: jtfe-585.pdf plain text: jtfe-585.txt item: #139 of 158 id: jtfe-590 author: Idroos, F.S.; Manage, P.M. title: Aquatic Life Health Quality Assessment of the Bolgoda Canal and Waga Stream with respect to Selected Physico-chemical Parameters and Bioindicators date: 2012-10-20 words: 5871 flesch: 50 summary: Thus, presence of Tubifex tubifex is compatible with low values of DO in Bolgoda canal waters (Table 9). Thus, the present study convinces that the physico-chemical parameters of Bolgoda canal water are not up to the standard level to maintain healthy aquatic life. keywords: bolgoda; canal; chemical; high; parameters; physico; pollution; pti; species; stream; swdi; waga; water cache: jtfe-590.pdf plain text: jtfe-590.txt item: #140 of 158 id: jtfe-592 author: Bandara, M. G. D. K.; Wijesinghe, M.R.; Ratnasooriya, W. D.; Priyani, A. A. H. title: Chlorpyrifos-induced Histopathological Alterations in Duttaphrynus melanostictus (Schneider 1799) Tadpoles: Evidence from Empirical Trials date: 2012-10-20 words: 5099 flesch: 52 summary: (i) (ii) Figure 3: Liver tissues of (i) normal D. melanostictus tadpoles and (ii) tadpoles exposed to 1500 µgl-1 of chlorpyrifos. The gills of exposed larvae showed architectural distortion resulting from reduced primary and secondary gill lamellae and blood vessels, and alterations in the gill epithelium. keywords: changes; chlorpyrifos; damage; et al; exposure; gill; larvae; liver; muscle; pesticides; tadpoles; tissues cache: jtfe-592.pdf plain text: jtfe-592.txt item: #141 of 158 id: jtfe-593 author: Lankika, M.D.H.; Karunaratne, M.M.S.C.; Conniff, K. title: Species Composition of Odonate Fauna in Meegahawatta, a Wetland Area in Hanwella, Sri Lanka date: 2012-11-19 words: 2112 flesch: 54 summary: The total number of Odonata species observed inside the sampling area was recorded throughout this period. The present study, therefore, was carried out to investigate adult Odonata species present in Meegahawatta area (1000m 2 ) in Hanwella. keywords: area; fauna; lanka; species; sri; study; wetland cache: jtfe-593.pdf plain text: jtfe-593.txt item: #142 of 158 id: jtfe-594 author: Subasinghe, S.M.C.U.P.; Hettiarachchi, D.S.; Rathnamalala, E. title: Agarwood-type Resin from Gyrinops walla Gaertn: A New Discovery date: 2012-11-19 words: 2675 flesch: 62 summary: The results indicated an extreme similarity of the compounds of G. walla resin with that of commercially available agarwood resins. The objective of the present study was to identify the resin production ability of G. walla trees and to match the resin quality with that of commercially available authentic samples extracted from Aquilaria species. keywords: agarwood; aquilaria; gyrinops; resin; species; walla cache: jtfe-594.pdf plain text: jtfe-594.txt item: #143 of 158 id: jtfe-595 author: Bandara, W.A.R.T.W.; Vlosky, R.P. title: An Analysis of the U.S. Wood Products Import Sector: Prospects for Tropical Wood Products Exporters date: 2012-11-19 words: 6169 flesch: 51 summary: Figure 6: Wood products imported in 2006 (n=54, multiple responses possible) Figure 7: Origin of wood products imported by purchase value as ranked by the respondents (Percent of respondents, n=54) General Profile Out of the 158 companies of U.S. wood products importers surveyed, 71 companies responded. keywords: 2012; hardwood; importers; imports; market; products; respondents; tropical; u.s; vlosky; wood; wood products cache: jtfe-595.pdf plain text: jtfe-595.txt item: #144 of 158 id: jtfe-6107 author: Ranasinghe, Hemanthi title: Carbon Net-Zero by 2050: Benefits, Challenges and Way Forward date: 2022-11-24 words: 4672 flesch: 37 summary: Build an enabling environment for low carbon industrial sector: The transportation and energy sectors are the main targets for these policies because they account for a majority of carbon emissions (IEA, 2021). keywords: carbon; change; climate; development; emissions; energy; environment; lanka; net; sector; sri; use; waste cache: jtfe-6107.pdf plain text: jtfe-6107.txt item: #145 of 158 id: jtfe-6109 author: Gunathunga, P.; Dangalle, C.D.; Pallewatta, N. title: Diversity and Habitat Preferences of Moths (Insecta: Lepidoptera) in Indikadamukalana, a Lowland Wet Zone Forest in Sri Lanka date: 2022-11-24 words: 6209 flesch: 58 summary: Moth species were identified using available field guides (Jayawardana and Jayasinghe, 2016) and unidentified moth species were collected using standard techniques for subsequent identification in the laboratory using taxonomic keys. Keywords: Moths, Indikadamukalana forest, forest habitats, species richness, Sri Lanka 1. keywords: diversity; edge; families; forest; habitat; indikadamukalana; journal; lanka; lepidoptera; moth; species; sri; study; tropical; unidentified cache: jtfe-6109.pdf plain text: jtfe-6109.txt item: #146 of 158 id: jtfe-6112 author: Vidurangi, A.N.G.C.K. ; Manamgoda, D.S.; Subasinghe, S.M.C.U.P. title: Presence of Actinomycetes in agarwood tissues of Aquilaria crassna: A preliminary study date: 2022-11-24 words: 2749 flesch: 48 summary: Due to the lack of studies on agarwood resin formation by non-fungal microbial methods, the present study attempted to identify the presence of Actinomycetes species in agarwood resinous tissues of A. crassna. Therefore the A. crassna plantations owners use different methods such as wounding to artificially induce agarwood resin formation (Liu et al., 2013). keywords: actinomycetes; agarwood; crassna; formation; species; streptomyces; trees cache: jtfe-6112.pdf plain text: jtfe-6112.txt item: #147 of 158 id: jtfe-6119 author: Singh, Akoijam Basanta ; Teron, Robindra; Tamuli, Ajit Kumar title: Traditional agroforestry of Angami Nagas of Nagaland state, India- a quantitative assessment of socio-cultural values and agrobiodiversity date: 2022-11-24 words: 7365 flesch: 55 summary: Nhalie agroforestry could serve as the major reservoir of traditional crop species and contribute to the conservation of these valuable traditional crop species on-farm. Traditional crop species cultivated in nhalie agroforestry were categorized into four crop types (Pandey et al., 2019) (Supplementary table 01). keywords: agroforestry; angami; crop; cultivation; district; diversity; et al; jhum; nagaland; nagas; nhalie; rice; species; study; systems cache: jtfe-6119.pdf plain text: jtfe-6119.txt item: #148 of 158 id: jtfe-6345 author: Kaba, Gemechu; Desalegn, Getachew; Tesfaye, Anteneh; Mussa, Mahadi; Wubshet, Tsegaye ; Mezgebu, Getachew title: Density and Seasoning Characteristics of Pinus caribaea Lumber Grown at Suba Forest, Oromia, Ethiopia date: 2023-05-02 words: 5241 flesch: 57 summary: This pronounced differential shrinkage is likely to cause wide splits, checks and distortions if the necessary precautions are not taken to seasoning of P. caribaea lumber species. Figure 4: Shrinkage characteristics values (%) at 12% MC reduction 3.4 Density characteristics The mean density of P. caribaea lumber species at green (initial), basic, oven dry conditions and when seasoned to 12% MC were 690, 383, 350 and 660 kg/m3, respectively (Table 4). keywords: air; caribaea; content; density; forest; kiln; lumber; moisture; seasoning; species; wood cache: jtfe-6345.pdf plain text: jtfe-6345.txt item: #149 of 158 id: jtfe-6346 author: Dr. Thilakawansha Chandrathilake title: The need of ecohydrological research in tropical forests for healthy watersheds date: 2023-05-02 words: 4876 flesch: 44 summary: We also provide an overview of the emerging field of ecohydrology and its relevance to tropical forest ecosystems. Overall, this article emphasizes the urgent need for increased investment in ecohydrological research to ensure the long-term sustainability of tropical forest ecosystems and the watersheds they support. keywords: 2019; change; ecohydrology; et al; forests; land; management; research; use; water; watersheds cache: jtfe-6346.pdf plain text: jtfe-6346.txt item: #150 of 158 id: jtfe-6347 author: Biekop, Bertin ; William, Paul; Huisken, Mejouyo; Fokwa, Didier ; Njeugna, Ebenezer title: Physical and mechanical properties of Ayous wood (Triplochiton scleroxylon) from Cameroon date: 2023-05-02 words: 3192 flesch: 60 summary: \ Figure 7: Absorption kinetics of Ayous wood From the mathematical point of view, the problem of water absorption by wood can be treated as a diffusion problem based on the Fick’s second law of diffusion. keywords: absorption; compression; elasticity; figure; modulus; mpa; test; wood cache: jtfe-6347.pdf plain text: jtfe-6347.txt item: #151 of 158 id: jtfe-6348 author: Adeleke S.O.; Moshood F.J. title: Impact of Urbanization on Land Cover Changes and Land Surface Temperature in Iseyin Local Government Area, Oyo State, Nigeria date: 2023-05-02 words: 4114 flesch: 62 summary: It is believed that urbanization impacts land cover changes and land surface temperature. This work, therefore, studied the impact of urbanization on land cover changes and land surface temperature in Iseyin LGA between 2000 and 2022. 2. keywords: area; cover; iseyin; land; surface; temperature; urban; urbanization cache: jtfe-6348.pdf plain text: jtfe-6348.txt item: #152 of 158 id: jtfe-79 author: Vlosky, Richard; Smithhart, Roger title: A Brief Global Perspective on Biomass for Bioenergy and Biofuels date: 2011-10-26 words: 6136 flesch: 51 summary: Hydro-electric, geothermal, wind, solar, and biomass energy are the most common forms of renewable energy sources that are being used to alleviate our dependency on fossil fuels. Managed properly, biomass energy (or bio-energy) can be sustainable, environmentally benign and economically sound. keywords: areas; biomass; countries; crops; energy; environment; feedstock; forestry; fuel; potential; production; use; vol; wood; world cache: jtfe-79.pdf plain text: jtfe-79.txt item: #153 of 158 id: jtfe-80 author: Saravanan, M.; Ramesh, M.; Malarvizhi, A.; Petkam, R. title: Toxicity of Neem Leaf Extracts (Azadirachta indica A. Juss) on Some Haematological, Ionoregulatory, Biochemical and Enzymological Parameters of Indian Major Carp, Cirrhinus mrigala date: 2011-10-26 words: 5813 flesch: 59 summary: In this study, the significant decrease in RBC count, haemoglobin content and haematocrit values of fish C. mrigala treated with aqueous extract of neem leaf h might have resulted from destruction of RBCs due to erythroblastosis leading to anemia. Similarly, monitoring of fish plasma electrolyte levels may allow partial assessment of the eco-physiological status of fish and to detect possible aquatic stress (Suvetha et al., 2010). keywords: control; environment; extract; fish; freshwater; indica; leaf; mrigala; neem; parameters; plasma; values cache: jtfe-80.pdf plain text: jtfe-80.txt item: #154 of 158 id: jtfe-81 author: Ranatunge, R. A. A. R.; Wijesinghe, M. R.; Ratnasooriya, W. D. title: Cadmium Induced Adverse Effects on Fry of Oreochromis mossambicus date: 2011-10-26 words: 3940 flesch: 56 summary: These findings are significant because the lethal and sublethal effects in fry were also apparent at Cd concentrations of 0.001 – 0.2 mgl-1, which are typically recorded in fresh waterbodies in Sri Lanka. Exposure trails were conducted for a period of ten days with Cd concentrations being renewed every other day following modifications of the methods used by Garcia et al. keywords: cadmium; concentrations; exposure; fish; fry; growth; levels; mortality cache: jtfe-81.pdf plain text: jtfe-81.txt item: #155 of 158 id: jtfe-82 author: Amarasinghe, B.M.W.P.K. title: Lead and Cadmium Removal from Aqueous Medium Using Coir Pith as Adsorbent: Batch and Fixed bed Column Studies date: 2011-10-26 words: 4786 flesch: 57 summary: Journal of Tropical Forestry and Environment Vol. 01, No. 01 (2011) 36-47 47 Martin-Dupoint F. et.al., 2002, Heavy metal adsorption by crude coniferous barks: A modelling study, J. Environ. Therefore bed adsorption capacities are lower compared to batch operation. keywords: adsorbent; adsorption; bed; coir; metal; pith; removal; solution cache: jtfe-82.pdf plain text: jtfe-82.txt item: #156 of 158 id: jtfe-84 author: Wijesinghe, M.R.; Jayatillake, B.A.D.M.C.; Ratnassoriya, W. D. title: Solar Radiation Alters Toxicity of Carbofuran: Evidence from Empirical Trials with Duttaphyrnus melanostictus date: 2011-10-26 words: 3696 flesch: 46 summary: Mortality of larvae exposed to non-irradiated carbofuran was significantly higher than that observed in those exposed to irradiated carbofuran over the experimental period of four days (Two-way Anova: UV factor - F= 78.44, p<0.0001: Furthermore rough assessments of the number of tadpoles with abnormalities showed that while around 20 % of the tadpoles exposed to non-irradiated carbofuran suffered from swollen heads and irregular swimming, only about 5 % of tadpoles exposed to irradiated carbofuran showed such abnormalities. keywords: carbofuran; day; larvae; mortality; non; pesticide; radiation; tadpoles; toxicity cache: jtfe-84.pdf plain text: jtfe-84.txt item: #157 of 158 id: jtfe-85 author: Subasinghe, S.M.C.U.P.; Munasinghe, G.B. title: Estimation of Above Ground Tree Biomass and Carbon of Pinus caribaea (Morelet) date: 2011-10-26 words: 5236 flesch: 59 summary: Figure 7: Observed above ground tree carbon values and the fitted line for the selected model (11) to predict above ground tree carbon (C ag ) from above ground tree biomass (m ag ), R2 = 97.7% 3.6.2 3.6.3 Above ground tree carbon vs dbh Models (11) and (12) identify the relationship of above ground tree carbon of P. caribaea with above ground biomass stem volume. keywords: biomass; canopy; carbon; caribaea; ground; model; stem; tree; volume cache: jtfe-85.pdf plain text: jtfe-85.txt item: #158 of 158 id: jtfe-86 author: Rathnayake, R. M. W.; Gunawardena, U. A. D. P. title: Estimation of recreational value of Horton Plains National Park in Sri Lanka: A decision making strategy for natural resourcemanagement date: 2011-10-26 words: 7454 flesch: 60 summary: Therefore increase of park entrance fee may constrain the visitor’s right of enjoyment and conservation education opportunities. Therefore, it could be further argued that increase of park entrance fee may not cause harmful sociological implications. keywords: cost; entrance; fee; hpnp; lanka; national; park; sri; study; travel; value; visitors cache: jtfe-86.pdf plain text: jtfe-86.txt