Article 4116

Title of the article

ZOOPLANKTON COMMUNITY IN THE PENZA WATER STORAGE BASIN 

Authors

Senkevich Viktoriya Aleksandrovna, Postgraduate student, Penza State University (40 Krasnaya street, Penza, Russia), Viktoriya0606@mail.ru
Tsyganov Andrey Nikolaevich, Candidate of biological sciences, associate professor, sub-department of zoology and ecology, Penza State University (40 Krasnaya street, Penza, Russia), andrey.tsyganov@bk.ru
Stojko Tamara Grigorievna, Candidate of biological sciences, professor, sub-department of zoology and ecology, Penza State University (40 Krasnaya Street, Penza, Russia), tgstojko@mail.ru

Index UDK

574.583 (470.344)

Abstract

Background. Zooplankton is an important component of freshwater ecosystems and sensitive to changes in their condition. The purpose of the research is to study the temporal and spatial dynamics of species composition of zooplankton and to estimate a state of the ecosystem of the Penza water storage basin.
Material and methods. Samples for the study were collected at nine stations located in three transects in the water area of the Penza water storage basin every year from 2013 to 2015. To describe the long-term dynamics the authors used a database of zooplankton species composition in the Penza water storage basin for the period from 1992 to 2007.
Results. In total, 97 species and forms of zooplankton (Rotifera – 53, Cladocera – 22 and Copepoda – 22 species) were encountered in the Penza water storage basin in 1993–2015. The species composition of zooplankton during the period remained relatively stable and consisted of planktonic and eurybiontic taxa. However, new species typical for waterlogged and water plant biotopes have appeared in the community due to intensive development of coastal macrophytes. The annual dynamics of main characteristics of the zooplankton community in 2013–2015 years was determined by temperature. The upper reaches of the Penza water storage basin were characterized by a predominance of rheophilic species in the zooplankton community, and the medial part – by limnophilic ones.
Conclusions. The species composition of the zooplankton community in the water area of the Penza water storage basin is typical for this type of ecosystems and corresponds to the developmental stage of the reservoir.

Key words

zooplankton community, water storage basin, structural characteristics, water quality

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Дата создания: 01.08.2016 14:06
Дата обновления: 26.08.2016 11:11