For citations:
Zaitcev V.F., Tarasova O.G. ASSESSMENT OF ENVIRONMENTAL STATE OF WATERCOURSES OF DELTA OF THE VOLGA RIVER BY THE STRUCTURE OF BOTTOM COMMUNITIES. South of Russia: ecology, development. 2014;9(3):126-132. (In Russ.) https://doi.org/10.18470/1992-1098-2014-3-126-132