Current Status of Zooplankton in the Vasyugan River
N. I. YERMOLAEVA
Institute for Water and Environmental Problems SB RAS, 630090, Novosibirsk, Morskoy prosp. 2
Keywords: zooplankton, Vasyugan, dominant complex, biological testing, saprobity, rotifers, copepods
Abstract
The species diversity and quantity of zooplankton in the middle and lower reaches of the Vasyugan River, as well as in the estuaries of major tributaries were studied. Change in the dominant species complex in comparison with the data obtained 50 and 10 years ago was detected. There is a succession of plankton community, perhaps related to global warming and restructuring of the entire ecosystem of the Vasyugan land. Oil pollution of the river was not revealed with bio-indication methods.
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