A1 Refereed original research article in a scientific journal

The effect of age at first breeding on Ural owl lifetime reproductive success and fitness under cyclic food conditions



Authors: Brommer JE, Pietiainen H, Kolunen H

Publisher: BLACKWELL SCIENCE LTD

Publication year: 1998

Journal:: Journal of Animal Ecology

Journal name in source: JOURNAL OF ANIMAL ECOLOGY

Journal acronym: J ANIM ECOL

Volume: 67

Issue: 3

First page : 359

Last page: 369

Number of pages: 11

ISSN: 0021-8790

DOI: https://doi.org/10.1046/j.1365-2656.1998.00201.x


Abstract
8. Cyclic fluctuation in food supply clearly constrains the option as to during what phase and at what age to start breeding. In terms of fitness, the optimal age to start breeding depends on the phase of the vole cycle at hatching.



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