| Abstract: | Gizzards and wingbones from immature mallards (Anas platyrhynchos), pintails (Anas acuta), black ducks (A. rubripes), and Canada geese (Branta canadensis) were collected from 12 national and stat hunting are.as during the hunting season of 1974-75. The gizzards were examined for the occurrence of lead and steel shot and the wingbones were analyzed for lead residues. Incidence of lead shot in gizzards ranged from 1.3 percent in mallards from Monte Vista National Wildlife Refuge to 29 percent in pintails from Sauvie Island Wildlife Management Area. Lead in wingbones ranged from trace residues (<0.5 ppm) to 345 ppm. The incidence of steel shot in gizzards surpassed lead shot on some refuges that have had mandatory steel shot programs. There was a significant correlation between frequency of lead shot in gizzards and lead residues in wingbones. |
| Genre: | Article |
| ProdID: | 5221385 |
| Citation Author: | White, D.H.; Stendell, R.C. |
| Citation Contributing Office: | Patuxent Wildlife Research Center |
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| Citation End Page: | 475 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Wildlife Management |
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| Citation Number Of Pages: | 7 |
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| Citation Phsyical Description: | 469-475 |
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| Citation Search Results Text: | Waterfowl exposure to lead and steel shot on selected hunting areas; 1977; Article; Journal; Journal of Wildlife Management; White, D.H.; Stendell, R.C. |
| Citation Start Page: | 469 |
| Citation Volume: | 41 |
| Citation Year: | 1977 |
| Type: | citation/reference |
| Text: | Waterfowl exposure to lead and steel shot on selected hunting areas; 1977; Article; Journal; Journal of Wildlife Management; White, D.H.; Stendell, R.C. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DOCUMENT): | http://www.jstor.org/stable/3800518 |
| Date Other: | Wed, 16 Jun 2010 12:19 -0500 |
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