000
| 01862cam 2200373za 4500 |
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001 | 9.850304 |
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003 | CaOODSP |
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005 | 20221107154128 |
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007 | cr ||||||||||| |
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008 | 180118s1990 onca||||o f000 0 eng d |
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040 | |aCaOODSP|beng |
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043 | |an-cn-on |
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086 | 1 |aCW69-9/189E-PDF |
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100 | 1 |aRoss, Richard Kenyon. |
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245 | 10|aDistribution of American black duck and mallard in northern Ontario |h[electronic resource] / |cR.K. Ross and D. Fillman. |
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260 | |a[Ottawa] : |bCanadian Wildlife Service, |c1990. |
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300 | |a5 p. : |bfigs. |
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490 | 1 |aProgress notes ; |vno. 189 |
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500 | |aIssued also in French under title: Répartition géographique du canard noir et du canard colvert dans le nord de l'Ontario. |
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500 | |a"April 1990." |
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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"The province of Ontario contains the major zone of range overlap for the Mallard Anas platyrhynchos and the closely related American Black Duck A. rubripes. Both of these very important game species have, in recent years, undergone declines in numbers that are of considerable concern (Canadian Wildlife Service/U .S. Fish and Wildlife Service 1986)"--Introd. |
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692 | 07|2gccst|aAquatic birds |
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692 | 07|2gccst|aPopulation distribution |
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693 | 4|aDucks |
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693 | 4|aMallards |
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700 | 1 |aFillman, D. |
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710 | 1 |aCanada. |bEnvironment Canada. |
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710 | 2 |aCanadian Wildlife Service. |
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775 | 08|tRépartition géographique du canard noir et du canard colvert dans le nord de l'Ontario |w(CaOODSP)9.860801 |
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830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 189|w(CaOODSP)9.504439 |
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856 | 40|qPDF|s408 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-189-eng.pdf |
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