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Estimating Proportion of an Age Class Nesting in Canada Geese

Charles D. MacInnes and Erica H. Dunn
The Journal of Wildlife Management
Vol. 52, No. 3 (Jul., 1988), pp. 421-423
Published by: Wiley on behalf of the Wildlife Society
DOI: 10.2307/3801583
Stable URL: http://www.jstor.org/stable/3801583
Page Count: 3
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Estimating Proportion of an Age Class Nesting in Canada Geese
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Abstract

We estimated proportions of each age class nesting in a population of small Canada geese (hutchinsii-parvipes complex of Branta canadensis), Northwest Territories, Canada. Because some non-nesters left the breeding grounds before incubation, the time period used for calculating the proportion nesting affected the estimates. Estimates based on observations confined to the laying and incubation periods have probably overestimated proportions nesting, particularly for 2- and 3-year-old geese.

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