Inferences regarding survival and recovery rates of winter-banded canvasbacks
Journal of Wildlife Management
By: James D. Nichols and G.Michael Haramis
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Abstract
Banding and recovery data from 3 populations of winter-banded canvasbacks (Aythya valisineria) were analyzed and survival and recovery rates were estimated. Sex-specific differences in these rates were detected in some populations, and lower survival rates were exhibited by females. Some geographic variation in survival rates was evident, suggesting that canvasbacks should not be managed strictly on a continent-wide basis. Evidence of temporal variation in both survival and recovery rates was found. Lower recovery rates were noted during periods of restrictive hunting regulations, but the relationship between survival rates and hunting regulations was not clear-cut.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Inferences regarding survival and recovery rates of winter-banded canvasbacks |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3808362 |
| Volume | 44 |
| Issue | 1 |
| Year Published | 1980 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 10 p. |
| First page | 164 |
| Last page | 173 |