Influence of Acidity and Competition with Fish on the Development of Ducklings in Quebec
作者： J.-L. DesGranges , J. Rodrigue
DOI: 10.1007/978-94-009-3385-9_77
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摘要: In Quebec, in 1984 and 1985, a number of American Black Duck (Anas rubripes) Common Goldeneye (Bucephala clangula) ducklings were reared on two acid lakes (pH 4.8 to 5.0) one circumneutral lake 6.0) which the brook trout (Salvelinus fontinalis) populations had been manipulated. This allowed us determine how acidity competition with fish affected duckling feeding growth. Strong presence both required before birds’ development was restricted, being particularly affected. result supports hypotheses between some waterfowl species.
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