Ecohydrological mechanism of phytoplankton distribution in the water body

Abstract

Abstract The object of the study is the ecosystem of the Novosibirsk reservoir, which is the largest in Western Siberia. The work is aimed at studying the mechanism of the water quality formation. In limnology, it is usually believed that relatively small and low-flow parts of reservoirs are more susceptible to eutrophication, where water warms up better and phytoplankton biomass is more abundant. In the central part of the Novosibirsk reservoir, the opposite effect is regularly observed. The novelty of the study is in simulation of ecological processes in different aquatories of the Novosibirsk reservoir based on reproduction of biogeochemical cycles for limiting elements. The paradox of phytoplankton development in this reservoir is explained by the peculiarity of hydrothermal processes, which was shown by modeling.