%0 Journal Article %T COMPARATIVE CHARACTERISTICS OF THE VOLGA-AKHTUBA WATERSHED HYDROBIOCENOSES ACCORDING TO INDICATORS OF BIODIVERSITY AND SAPROBITY %A Znobishchev, A.. %A Biryukova, M.. %A Karapun, M.. %A Yurchenko, V.. %K biodiversity, abundancy, biomass, zoocenosis, biodivercity indices, zooplankton, saprobity %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2017 %N 2017 %P 6 %I Astrakhan State Technical University