Trophic specificity of the Rana arvalis population from the Eastern Ural radioactive trace in relation to the state of the soil mesofauna / Vershinin V.L., Seredyuk S.D. // Russian Journal of Ecology. - 2000. - V. 31, l. 5. - P. 330-335.

ISSN:
10674136
Type:
Article
Abstract:
Studies on the population of Rana arvalis Nilss. frogs performed in the radioactively contaminated area near Lake Berdanish in 1993 revealed a number of features indicating that the contents of nutrients in the organisms of adults and juveniles is low. The analysis of simultaneously collected data on food supply to this population showed that the structure of food chains in the study area is simplified and the diversity and biomass of soil invertebrates (the main food for amphibians) are sharply reduced. These factors account for food deficiency, which manifests itself in a low level of stomach filling and individual energy reserves of the frogs and is reflected in their population characteristics. © 2000 MAIK "Nauka/Interperiodica".
Author keywords:
Amphibians; Moor frog; Radionuclides; Soil mesofauna; Trophic relations
Index keywords:
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DOI:
нет данных
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Affiliations Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences, ul. Vos'mogo Marta 202, Yekaterinburg, 620144, Russian Federation
Author Keywords Amphibians; Moor frog; Radionuclides; Soil mesofauna; Trophic relations
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Correspondence Address Vershinin, V.L.; Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences, ul. Vos'mogo Marta 202, Yekaterinburg, 620144, Russian Federation
CODEN RJOEE
Language of Original Document English
Abbreviated Source Title Russ. J. Ecol.
Source Scopus