An appraisal of the no-mallard restriction during a portion of the 1967 waterfowl hunting season in southern Manitoba / by Michael F. Sorensen and Eugene F. Bossenmaier. : CW69-9/6E-PDF
"The mallard breeding population index for southern Manitoba, derived from aerial surveys in May, dropped from about 450,000 in the late fifties to about 170,000 in the mid-sixties"--p. [1].
Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.848690&sl=1
| Ministère/Organisme | Canada. Environment Canada. Canadian Wildlife Service. |
|---|---|
| Titre | An appraisal of the no-mallard restriction during a portion of the 1967 waterfowl hunting season in southern Manitoba / by Michael F. Sorensen and Eugene F. Bossenmaier. |
| Titre de la série | Progress notes ; no. 6 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique | |
| Note(s) | "June 10, 1968." Digitized edition from print [produced by Environment and Climate Change Canada]. |
| Information sur la publication | Ottawa : Canadian Wildlife Service, 1968. |
| Auteur / Contributeur | Sorensen, Michael F. Bossenmaier, Eugene F.,1924- |
| Description | 13 p. |
| Numéro de catalogue |
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| Descripteurs | Hunting (Sport) Wildlife Research |