Distribution of invasive species as a part of the bottom communities in the Kuibyshev water reservoir: analysis of long-term researches

Compositional analysis, distribution of invasive species and their quantitative estimation in macrozoobenthos and nectobenthos communities of the Kuibyshev water basin are given on the basis of our own researches, literary data given and archival documents of the The Institute of ecology of the Volga river basin of the Russian Academy of Sciences (1958-2005). The list of alien species and their quantity data on the background of the long-term changes of macrozoobenthos state in water basins are discussed.