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. . , 1980. 24 . 23. Hoffman E.A., Blouin M.S. A revier of color and pattern 19. .., .. polymorphisms in anurans // Biological Journal of // . Linnean Society 2000. 70. 4. P. 633665.

AMPHIBIANS AS BIOINDICATORS OF ENVIRONMENT CONDITION IN THE MIDDLE VOLGA REGION: PHENETIC STRUCTURE OF POPULATION 2012 A.I. Faizulin, .. Kuzovenko Institute of Ecology of the Volga River Basin RAS, Togliatti In 2005 2006 years phenetic structure of marsh frog (Rana ridibunda Pallas, 1771) population was studied in Middle Volga region. It was established that in the conditions of high anthropogenic transformation intrapopulational diversity decreases and the proportion of rare phenotypes increases in most populations.

Keywords: phenetic structure, population, marsh frog, human impact.

Aleksandr Fayzulin, Candidate of Biology, Chief Research Fellow at the laboratory of Population Ecology.

E mail: amvolga@inbox.ru;

Aleksandr Kuzovenko, Postgraduate.

E mail: prirodnick@yandex.ru

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