000
| 01789nam 2200349za 4500 |
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001 | 9.849874 |
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003 | CaOODSP |
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005 | 20240527135430 |
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007 | cr ||||||||||| |
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008 | 180111s1982 onc ||||o f000 0 eng d |
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040 | |aCaOODSP|beng |
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043 | |an-cn-mb |
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086 | 1 |aCW69-9/132E-PDF |
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245 | 00|aAppraisal of autumn canvasback populations and harvest on the Delta Marsh during 1977 and 1978 |h[electronic resource] / |cby G. Hochbaum ... [et al.]. |
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260 | |a[Ottawa] : |bCanadian Wildlife Service, |c1982. |
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300 | |a5 p. |
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490 | 1 |aProgress notes ; |vno. 132 |
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500 | |a"November 1982." |
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500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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500 | |aIssued also in French under title: Évaluation des populations et des prises de morillons à dos blanc, en automne, au marais Delta, en 1977 et 1978. |
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504 | |aIncludes bibliographical references. |
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520 | |a"Drought conditions in Manitoba between July 1976 and April 1977 were the worst in 96 years. As a result, the number of May ponds had decreased by 45% and breeding duck populations by 53% in the spring of 1977 (Manitoba Waterfowl Technical Committee (MWTC) 1977)"--Introd. |
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692 | 07|2gccst|aBirds |
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692 | 07|2gccst|aPopulation |
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693 | 4|aCanvasback |
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700 | 1 |aHochbaum, George Sutton, |d1946- |
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710 | 1 |aCanada. |bEnvironment Canada. |
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710 | 2 |aCanadian Wildlife Service. |
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775 | 08|tÉvaluation des populations et des prises de morillons à dos blanc, en automne, au marais Delta, en 1977 et 1978 |w(CaOODSP)9.860499 |
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830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 132|w(CaOODSP)9.504439 |
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856 | 40|qPDF|s351 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-132-eng.pdf |
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