| 000 | 00000nam 2200000za 4500 |
| 001 | 9.849874 |
| 003 | CaOODSP |
| 005 | 20241203113641 |
| 007 | cr ||||||||||| |
| 008 | 180111s1982 onc ||||o f000 0 eng d |
| 040 | |aCaOODSP|beng |
| 043 | |an-cn-mb |
| 086 | 1 |aCW69-9/132E-PDF |
| 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.]. |
| 260 | |a[Ottawa] : |bCanadian Wildlife Service, |c1982. |
| 300 | |a5 p. |
| 490 | 1 |aProgress notes ; |vno. 132 |
| 500 | |a"November 1982." |
| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
| 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. |
| 504 | |aIncludes bibliographical references. |
| 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. |
| 692 | 07|2gccst|aBirds |
| 692 | 07|2gccst|aPopulation |
| 693 | 4|aCanvasback |
| 700 | 1 |aHochbaum, George Sutton, |d1946- |
| 710 | 1 |aCanada. |bEnvironment Canada. |
| 710 | 2 |aCanadian Wildlife Service. |
| 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 |
| 830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 132|w(CaOODSP)9.504439 |
| 856 | 40|qPDF|s351 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-132-eng.pdf |