Transactions of KarRC RAS :: Scientific publications
Transactions of KarRC RAS :: Scientific publications

Transactions of KarRC RAS :: Scientific publications
Karelian Research Centre of RAS
ISSN (print): 1997-3217
ISSN (online): 2312-4504
Transactions of KarRC RAS :: Scientific publications
Background Editorial committee Editorial Office For authors For reviewer Russian version
Transactions of KarRC RAS :: Scientific publications

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SCIENTIFIC PUBLICATIONS
.. , M.T. .
//  . No 9. . . . 2018. C. 54-64
Yu.Yu. Fomina, M.T. Syarki. Modern state of zooplankton and its response to climate change in Petrozavodsk bay of Lake Onego // Transactions of Karelian Research Centre of Russian Academy of Science. No 9. Limnology and oceanology. 2018. Pp. 54-64
Keywords: zooplankton community; climate influence; phenological phases; seasonal dynamics; Lake Onego
The current state of zooplankton in Petrozavodsk Bay of Lake Onego and its response to climate change have been considered using data collected during multidisciplinary surveys in 2010-2017. Five seasonal phases of the annual cycle are described relying on modern and archival zooplankton data. The condition of zooplankton under ice has been studied in detail for the first time. The species composition and the dominant complex, as well as the structure and quantitative characteristics were analyzed taking annual cyclicity into consideration. The dominant, subdominant species and indicators species of phe- nological phases were determined. It was shown that the zooplankton species composition and dominants complex have not changed since the second half of the past century. Total summer (August) zooplankton abundance during the surveys was below average, but within the limits of long-term among-year variation. Rapid development of rotifers and early onset of the summer development phase (before long-term average dates) was the response to shifts in the timing of vernal hydrological phenomena. In the past few decades, changes have also occurred in the ratio of warm-water and cold-water species.
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  Last modified: October 12, 2018