%0 Journal Article %T MIGRATION OF SELENIUM IN AQUATIC ECOSYSTEMS OF THE VOLGA RIVER WITHIN THE BORDERS OF THE SARATOV REGION %A Smutnev, P.. %A Pudovkin, N.. %K aquatic ecosystem, migration of selenium, macrophytes, plankton and benthic forms, mollusks, carp species %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2016 %N 2016 %P 6 %I Astrakhan State Technical University