Anomalies of mouthparts in Rana arvalis Nilss tadpoles and ecological conditions providing for their emergence

Anomalies of mouthparts in Rana arvalis Nilss tadpoles and ecological conditions providing for... Rana arvalis tadpoles reared under natural or experimental conditions have been studied to analyze anomalies in the development of mouthparts and to compile a catalog of corresponding characters. It has been shown that the frequency of these anomalies increases in the course of growth and development and that their manifestations differ in tadpoles from different spawns and depend on environmental conditions. In turn, anomalies of the mouthparts have an effect on the rate of larval growth and development and on the survival of tadpoles in the period of the metamorphic climax. The results of this study provide an explanation for some deviations observed in laboratory experiments. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Anomalies of mouthparts in Rana arvalis Nilss tadpoles and ecological conditions providing for their emergence

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413606030088
Publisher site
See Article on Publisher Site

Abstract

Rana arvalis tadpoles reared under natural or experimental conditions have been studied to analyze anomalies in the development of mouthparts and to compile a catalog of corresponding characters. It has been shown that the frequency of these anomalies increases in the course of growth and development and that their manifestations differ in tadpoles from different spawns and depend on environmental conditions. In turn, anomalies of the mouthparts have an effect on the rate of larval growth and development and on the survival of tadpoles in the period of the metamorphic climax. The results of this study provide an explanation for some deviations observed in laboratory experiments.

Journal

Russian Journal of EcologySpringer Journals

Published: May 15, 2006

References

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