Demographic features of populations of the marsh frog (Rana ridibunda Pall.) introduced into water bodies of the Middle Urals

Demographic features of populations of the marsh frog (Rana ridibunda Pall.) introduced into... Demographic characteristics of marsh frog (Rana ridibunda Pall.) populations have been studied in cooling reservoirs of Middle Ural thermal power plants, where this species was introduced accidentally. The reservoirs are similar in hydrochemical characteristics but differ in the thermal regime. The populations studied have been found to differ from the reference (natural) populations and from each other in a number of parameters, including the size and age composition of spawners, the type of spawning, and fecundity. Analysis of the results indicates that the observed differences have adaptive significance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Demographic features of populations of the marsh frog (Rana ridibunda Pall.) introduced into water bodies of the Middle Urals

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413611050067
Publisher site
See Article on Publisher Site

Abstract

Demographic characteristics of marsh frog (Rana ridibunda Pall.) populations have been studied in cooling reservoirs of Middle Ural thermal power plants, where this species was introduced accidentally. The reservoirs are similar in hydrochemical characteristics but differ in the thermal regime. The populations studied have been found to differ from the reference (natural) populations and from each other in a number of parameters, including the size and age composition of spawners, the type of spawning, and fecundity. Analysis of the results indicates that the observed differences have adaptive significance.

Journal

Russian Journal of EcologySpringer Journals

Published: Sep 10, 2011

References

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