Trends in sizes of breeding duck populations in western Canada, 1955-89 / K.M. Dickson.: CW69-9/186E-PDF
"Changes in the sizes of duck populations have been monitored annually since 1955 over nearly 3.6 million square kilometres of breeding habitat in Montana and North and South Dakota in the United States, the western Canadian Prairie provinces, the Mackenzie Valley of the Northwest Territories, and parts of Alaska"--Introd.
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| Department/Agency | Canada. Environment Canada. Canadian Wildlife Service. |
|---|---|
| Title | Trends in sizes of breeding duck populations in western Canada, 1955-89 / K.M. Dickson. |
| Series title | Progress notes ; no. 186 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Other language editions | [French] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Issued also in French under title: Tendances des effectifs de canards nichant dans l'ouest du Canada, 1955-1989. "December 1989." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. |
| Publishing information | [Ottawa] : Canadian Wildlife Service, 1989. |
| Author / Contributor | Dickson, Kathryn Marie. |
| Description | 9 p. : charts. |
| Catalogue number |
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| Subject terms | Birds Population Ducks |
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