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Abstract
During 1977-79, information useful for making breeding pair and brood surveys was obtained while studying black duck (Anas rubripes) habitat selection and productivity in south-central Maine. Surveys should be initiated in relation to sunrise and sunset time. Morning versus evening counts, familiarity with the survey area, wetland dynamics of the study area, wetland surface water area, and allotment of relative survey effort are discussed as they affect the conduct and results of brood surveys.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Factors affecting waterfowl breeding density and productivity estimates in the Northeast |
| Series title | Transactions of the Northeast Section of the Wildlife Society, Annual Fish and Wildlife Conference |
| Volume | 37 |
| Year Published | 1980 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 169-181 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Transactions of the Northeast Section of the Wildlife Society, Annual Fish and Wildlife Conference |
| First page | 169 |
| Last page | 181 |
| Google Analytic Metrics | Metrics page |