American black duck summer range versus winter range: a dichotomy of riches
Held in Grasonville, Maryland, October 4, 2000. Symposium dedicated to Veron D. Stotts. OCLC: 51171874 PDF on file: see 6039_Perry.pdf 1.3 MB also 6039_Perry_searchable.pdf 5 MB
Edited by: Matthew C. Perry
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Abstract
The status of the American black duck (Anas rubripes) population has more often been attributed to a single event than to multiple events over time and throughout space. The difference in the quality of the habitat, however defined, within breeding areas in the North and in the southerly wintering areas, especially Chesapeake Bay, also has been proposed as affecting black duck status. The obvious question is 'What variable cuts across all habitats, time, and space to affect black ducks?' This paper attempts to answer that question by examining the connectivity of seemingly unrelated variables and events associated with the black duck's summer range and its winter range relative to population change. Insights from examples of relations among these variables reveal how results may be confounded and even misleading. A perspective that may be required to ensure future black duck populations is discussed.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | American black duck summer range versus winter range: a dichotomy of riches |
| Year Published | 2002 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, Va. |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | vii, 44 |
| Larger Work Type | Book |
| Larger Work Subtype | Other Government Series |
| Larger Work Title | Black Ducks and Their Chesapeake Bay Habitats: Proceedings of a Symposium |
| First page | 7 |
| Last page | 11 |
| Google Analytic Metrics | Metrics page |