id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
abc-119	Rusanov, Alexander G.; Stanislavskaya, Elena V.; Acs, Eva	Distribution of periphytic diatoms in the rivers of the Lake Ladoga basin (Northwestern Russia)	2009	12	.pdf	application/pdf	5469	317	59	On the basis of geology and river water chemistry, the Lake Ladoga basin could be separated into two main parts, the northern and the southern sub-basin. Keywords: Diatom, periphyton, distribution, gradient, eutrophication, Lake Ladoga, Russia Introduction Periphytic diatoms are excellent indicators of ecological condition of rivers and streams, because of their ability to respond rapidly to changes in nutrient concentrations.	cache/abc-119.pdf	txt/abc-119.txt