Present State of Biota of Small Komi Republic Reservoirs

Abstract

Specific hydrological characteristics of small reservoirs and insufficiency of data on them determine the need for their integrate investigation to reveal the patterns of their ecosystems formation that could help to estimate their state in the future monitoring. The article presents the data on water chemistry and the main biological components (phyto – and zooplankton, zoobenthos, vascular plants, and mosses) of three small reservoirs situated in middle taiga subzone of Komi Republic. It was established that hydrochemical characteristics and flora and fauna species composition reflect regional specificity of the studied water bodies. Present stage of development of the reservoirs ecosystems was identified based on the analysis of the community structure. Characteristics of flora and fauna spatial distribution along the water body were studied. Ecological states of the investigated ecosystems were evaluated. Our results can be applied for prognosis of development of small river-type reservoirs

Keywords

• small reservoirs
• subzone of middle taiga
• algae
• macrophytes
• zooplankton
• zoobenthos
• water ecosystem development