Physiological Parameters of Amphibians in Ecosystems
of Urbanized Territories

V. L. Vershinin and S. Yu. Tereshin

Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences, ul. Vos’mogo Marta 202, Ekaterinburg,
620144 Russia

Received March 12, 1998

Abstract—An example of Rana arvalis Nilss. was used to demonstrate specific features of the metabolism,
neuromuscular system, and skin permeability for sodium of amphibians from areas with different levels of
urbanization and environmental pollution. The difference in skin permeability between striated and nonstriated
morphs was revealed for the first time. Some regularities revealed in the study indicate that parameters charac-
terizing the physiological state of amphibians can be used for more complete and unbiased assessment of their
populations and the extent of changes occurring in them.

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