Does Beginning of Spring Represent a Critical Period in Annual Cycle of Capercaillie (Tetrao urogallus, Tetronidae, Galliformes)?

Does Beginning of Spring Represent a Critical Period in Annual Cycle of Capercaillie (Tetrao... In European Russia, the clutch size of capercaillie varies depending on the spring density of population and simultaneously on combination of different variants of vegetation that reflect influence of the various environmental factors. Late snow thawing, dense vegetation, scarcity of field layer foods or high density of birds seem to aggravate the competition for limited food resources and nesting sites. These factors permit to consider (1) the beginning of spring as one of the critical periods in annual cycle of Capercaillie determining realization of the potential fecundity of hens, and (2) mean clutch size as the relative monitoring index of saturation by birds of the natural carrying capacity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biology Bulletin Springer Journals

Does Beginning of Spring Represent a Critical Period in Annual Cycle of Capercaillie (Tetrao urogallus, Tetronidae, Galliformes)?

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Pleiades Publishing, Inc.
Subject
Life Sciences; Life Sciences, general; Cell Biology; Biochemistry, general; Zoology; Ecology
ISSN
1062-3590
eISSN
1608-3059
D.O.I.
10.1134/S1062359017070056
Publisher site
See Article on Publisher Site

Abstract

In European Russia, the clutch size of capercaillie varies depending on the spring density of population and simultaneously on combination of different variants of vegetation that reflect influence of the various environmental factors. Late snow thawing, dense vegetation, scarcity of field layer foods or high density of birds seem to aggravate the competition for limited food resources and nesting sites. These factors permit to consider (1) the beginning of spring as one of the critical periods in annual cycle of Capercaillie determining realization of the potential fecundity of hens, and (2) mean clutch size as the relative monitoring index of saturation by birds of the natural carrying capacity.

Journal

Biology BulletinSpringer Journals

Published: Feb 24, 2018

References

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