id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5136	Jauni, Miia; Helenius, Juha; Hyvönen, Terho	Changes in the invasion level, and impact of alien plants in Finnish semi-natural agricultural habitats	2012	18	.pdf	application/pdf	8582	375	55	Miia Jauni1, Juha Helenius1 and Terho Hyvönen2 1Department of Agricultural Sciences, University of Helsinki, Latokartanonkaari 5, P.O. Box 27, FI-00014 University of Helsinki, Finland, 2MTT Agrifood Research Finland, Plant Production Research, FI-31600 Jokioinen, Finland, e-mail: miia.jauni@helsinki.fi Using dataset of 508 transects of 50 m2, we assessed changes in the invasion level of alien plant species in semi-natural agricultural habitats in three study years (2001, 2005 and 2010) in four geographical re- gions of Finland. A G R I C U L T U R A L A N D F O O D S C I E N C E M. Jauni et al. (2012) 21: 100-117 101 Among agricultural habitats, arable land is considered highly susceptible to invasions, whereas semi- natural habitats, such as grasslands, are less frequently invaded by alien plant species (e.g. Chytrý et al. 2008, Pyšek et al. 2009).	cache/afs-5136.pdf	txt/afs-5136.txt