Issue № 4. 2013.

From the editorial board
Korosov A. V.	Unsustainable development Displays: 3484; Downloads: 662;	3
Analytical review
Rumyantsev Y.	On the usage of the data on the parasites of fishes in exploring typologic status of the lakes in the North of Europe Displays: 3702; Downloads: 721;	4 - 9
Original research
Domracheva L., Kondakova L., Zykova J., Efremova V.	CYANOBACTERIA OF URBAN SOILS Displays: 5578; Downloads: 1083;	10 - 27
Lyabzina S., Korosov A.	The assessment of biodiversity of the beetles collected from animal carcasses in Karelia Displays: 5144; Downloads: 746;	28 - 38
Shklyarevich G.	Taxonomic and biogeographic structure of intertidal invertebrates in Kandalaksha and Onega Bay of the White Sea Displays: 4104; Downloads: 813;	39 - 56
Shustov Y., Belyakova E., Veselov A. E.	Seasonal feeding habits of fishes in the river Bolshaya Uya (bas. Onega Lake) Displays: 4490; Downloads: 841;	57 - 69
Methods of ecological investigations
Syarki M.	How long does the summer last for zooplankton in the Onego lake? Displays: 2986; Downloads: 642;	70 - 75
Peer-reviews
Linnik Y.	Ernest Ivanter convinces Displays: 2788; Downloads: 816;	76 - 81
Synopsis
Korosov A. V.	Matchless self-similarity Displays: 3776; Downloads: 675;	82 - 85

Principles of the Ecology