Environmental metal residues in tissues of canvasbacks
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Abstract
Reduction and deterioration of habitat and high nest predation have contributed to the decline of the continental populations of canvasbacks (Aythya valisineria) (Trauger 1974). Environmental metal contaminants also may adversely affect reproduction and survival of waterfowl (Heinz 1974, 1976a,b, 1979; Finley and Stendell 1978). White et al. (1979) ex- amined canvasbacks from Chesapeake Bay in 1975 and 1976 and found low levels of lead, cadmium, and mercury in certain tissues. Low levels of mercury in canvasbacks have also been reported from Wisconsin (Kleinert and Degurse 1972) and Saskatchewan (Vermeer and Armstrong 1972). Stendell et al. (1977) found mercury residues in 6 of 34 canvasback eggs collected in 1972 and 1973. The objective of my study was to ascertain levels of mercury, lead, cadmium, and nickel in canvasbacks from the upper Mississippi River
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Environmental metal residues in tissues of canvasbacks |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3807935 |
| Volume | 45 |
| Issue | 2 |
| Year Published | 1981 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 4 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Wildlife Management |
| First page | 508 |
| Last page | 511 |
| Google Analytic Metrics | Metrics page |