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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.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.850296&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canadian Wildlife Service.
TitleTrends in sizes of breeding duck populations in western Canada, 1955-89 / K.M. Dickson.
Series title
  • Progress notes ; no. 186
Publication typeMonograph - View Master Record
Language[English]
Other language editions[French]
FormatDigital text
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.
Description9 p. : charts.
Catalogue number
  • CW69-9/186E-PDF
Subject terms
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