Historical changes in laying date, clutch size, and nest success of American black ducks
Journal of Wildlife Management
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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.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Historical changes in laying date, clutch size, and nest success of American black ducks |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3808975 |
| Volume | 55 |
| Issue | 3 |
| Year Published | 1991 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 5 p. |
| First page | 462 |
| Last page | 466 |
| Country | United States |
| State | Maryland, Virginia |
| Other Geospatial | Chesapeake Bay |