Historical changes in laying date, clutch size, and nest success of American black ducks

Krementz, D.G.; Stotts, V.D.; Stotts, D.B.; Hines, J.E.; Funderburk, S.L.

Abstract:

The breeding population of American black ducks (Anas rubripes ) on Chesapeake Bay has declined over the past 30 years. We tested whether there have been changes in laying date, clutch size, and nest success of breeding black ducks on islands in Chesapeake Bay between the 1950‘s and 1980‘s. None of these variables differed significantly between decades, suggesting that other factors must be responsible for the decline in locally breeding black ducks.

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Article

ProdID:

5222957

Citation Author:

Krementz, D.G.; Stotts, V.D.; Stotts, D.B.; Hines, J.E.; Funderburk, S.L.

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Patuxent Wildlife Research Center

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466

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English

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Journal of Wildlife Management

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462-466

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Historical changes in laying date, clutch size, and nest success of American black ducks; 1991; Article; Journal; Journal of Wildlife Management; Krementz, D.G.; Stotts, V.D.; Stotts, D.B.; Hines, J.E.; Funderburk, S.L.