Issue № 1. 2017.

From the editorial board
Korosov A. V.	200 readers Displays: 4695; Downloads: 1136;	3 - 4
Analytical review
Kutenkov A.	Spatial-ecological divergence of the common frog (Rana temporaria L.) and the moor frog (Rana arvalis Nilss.) within their geographic ranges Displays: 15078; Downloads: 2315;	4 - 51
Original research
Barbazyuk E.	Long-term population dynamics of the Black Grouse Lyrurus tetrix in the steppe zone of Orenburg region under the influence of fires (on the example of Burtinskaya Steppe , Orenburg Reserve) Displays: 6573; Downloads: 1891;	52 - 60
Grodnitsky D., Gurov A.	Imago feeding preference of the black fir sawyer Monochamus urussovi Fisch. (Coleoptera: Cerambycidae) Displays: 8093; Downloads: 1836;	61 - 69
Zaytseva T., Medvedeva N.	Effect of mustard gas hydrolysis products on the development of water-bloom forming cyanobacteria Displays: 9071; Downloads: 1730;	70 - 80
Kalinkina N. M., Belkina N. A., Sidorova A. I., Galibina N. A., Nikerova K. M.	Bioassay of Lake Onego bottom sediments toxicity based on their chemical composition and deepwater macrozoobenthos state Displays: 7893; Downloads: 2264;	81 - 103
Methods of ecological investigations
Kalinkina N. M., Korosov A. V., Syarki M. T.	For creating an expert system of Lake Onega: optimization of monitoring the state of the ecosystem on zooplankton indicators Displays: 8055; Downloads: 1854;	117 - 132
Original research
Ravkin Y. S., Bogomolova I. N., Tsybulin S. M.	Ecological arrangement of floro-faunistic heterogeneity of northern Eurasia Displays: 8549; Downloads: 1640;	145 - 159
Letters to editors
Cherlin V. A.	Biographical material about S. S. Liberman and N. V.Pokrovskaya – the authors of the article on thermal biology of the sand lizard, 1943, and about the people involved in that work Displays: 7802; Downloads: 1638;	133 - 145
Synopsis
Korosov A. V.	A word about GIS in ecology Displays: 6149; Downloads: 1573;	146 - 147