Sex and age - specific distributions of sea ducks wintering in the Strait of Georgia, British Columbia : implications for the use of age ratios as an index of recruitment / S.A. Iverson ... [et al.].: CW69-5/459E-PDF
"Management of sea duck populations in North America has been hampered by a lack of effective population monitoring tools. In this study, we used sex and age ratios calculated from direct visual counts to assess the demographic structure of the nine most common sea duck species wintering in the Strait of Georgia, British Columbia: Black Scoters (Melanitta nigra), Surf Scoters (M. perspicillata), White-winged Scoters (M. fusca), Harlequin Ducks (Histrionicus histrionicus), Barrow’s Goldeneye (Bucephala islandica), Common Goldeneye (B. clangula), Bufflehead (B. albeola), Common Mergansers (Mergus merganser), and Red-breasted Mergansers (M. serrator)"--Abstract.
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| Department/Agency | Canada. Environment Canada. Canadian Wildlife Service. Pacific and Yukon Region. |
|---|---|
| Title | Sex and age - specific distributions of sea ducks wintering in the Strait of Georgia, British Columbia : implications for the use of age ratios as an index of recruitment / S.A. Iverson ... [et al.]. |
| Series title | Technical report series ; no. 459 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Other formats | Paper-[English] |
| Note(s) | Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. Issued also in print format. Includes abstract in French. |
| Publishing information | Delta, B.C. : Canadian Wildlife Service, Pacific and Yukon Region, 2006. |
| Author / Contributor | Iverson, S. A. (Samuel A.), 1973- |
| Description | vii, 56 p. : charts. |
| Catalogue number |
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| Subject terms | Aquatic birds Population distribution Sea ducks |
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