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AGE RATIOS AS ESTIMATORS OF PRODUCTIVITY: TESTING ASSUMPTIONS ON A THREATENED SEABIRD, THE MARBLED MURRELET (BRACHYRAMPHUS MARMORATUS)

M. Zachariah Peery, Auteur ; Benjamin H. Becker, Auteur ; Steven R. Beissinger, Auteur ; A. E. Burger, Auteur

Dans The Auk (124(1) janvier 1, 2007)

Abstract The ratio of hatch-year (HY) to after-hatch-year (AHY) individuals (HY:AHY ratio) can be a valuable metric for estimating avian productivity because it does not require monitoring individual breeding sites and can often be estimated acr[...]

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