Biodiversity of freshwater invertebrates of the Bastak state nature reserve

The author presents the data on the fauna of aquatic invertebrates of the Bastak State Nature Reserve (BSNR) and adjacent territories located in the Middle Amur River basin, as well as the results of comparing the species composition and faunal structure of four studied areas: (1) the mountainous region of cluster Central in the BSNR and (2) the plain section of the Glinyanka River (the cluster Central); (3) the BSNR cluster Zabelovsky , and the adjacent section of the Amur River near the village of Nizhnespasskoye ; (4) lowland lakes in the vicinity of Birobidzhan. The faunas high specificity of these geomorphologically and hydrologically different areas and significant structural differences of taxonomic composition.