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| 01727cam 2200349za 4500 |
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| 001 | 9.850296 |
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| 003 | CaOODSP |
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| 005 | 20221107154127 |
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| 007 | cr ||||||||||| |
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| 008 | 180118s1989 oncd||||o f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn--- |
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| 086 | 1 |aCW69-9/186E-PDF |
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| 100 | 1 |aDickson, Kathryn Marie. |
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| 245 | 10|aTrends in sizes of breeding duck populations in western Canada, 1955-89 |h[electronic resource] / |cK.M. Dickson. |
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| 260 | |a[Ottawa] : |bCanadian Wildlife Service, |c1989. |
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| 300 | |a9 p. : |bcharts. |
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| 490 | 1 |aProgress notes ; |vno. 186 |
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| 500 | |aIssued also in French under title: Tendances des effectifs de canards nichant dans l'ouest du Canada, 1955-1989. |
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| 500 | |a"December 1989." |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographical references. |
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| 520 | |a"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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| 692 | 07|2gccst|aBirds |
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| 692 | 07|2gccst|aPopulation |
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| 693 | 4|aDucks |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aCanadian Wildlife Service. |
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| 775 | 08|tTendances des effectifs de canards nichant dans l'ouest du Canada, 1955-1989 |w(CaOODSP)9.860762 |
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| 830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 186|w(CaOODSP)9.504439 |
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| 856 | 40|qPDF|s338 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-186-eng.pdf |
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