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Estimating nests not present at the time of breeding surveys: an important consideration in assessing nesting populations

Peter C. Frederick, Auteur ; Julie A. Heath, Auteur ; Robert Bennetts, Auteur ; Heinz Hafner, Auteur

Dans Journal of Field Ornithology (77(2) SPR 2006)

Counts of nest starts are often used as indicators of the size of avian nesting populations, or of avian productivity. However, the accuracy of single or repeated counts of unmarked nests over time for estimating seasonal numbers of nests may be[...]

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