00000nam 2200000za 4500 9.848856 CaOODSP 20241203113641 cr ||||||||||| 171214s1970 onc ||||o f000 0 eng d CaOODSP eng eng fre n-cn--- CW69-9/14-PDF Benson, Denis A., 1920- Age and sex ratios of ducks harvested during the 1968-69 hunting season [electronic resource] / by Denis A. Benson = Pourcentages par groupe d'âge et par sexe des canards abattus au cours de la saison de chasse 1968-1969 / par Denis A. Benson. Pourcentages par groupe d'âge et par sexe des canards abattus au cours de la saison de chasse 1968-1969 Ottawa : Canadian Wildlife Service = Service canadien de la faune, 1970. 23 p. Progress notes ; no. 14 = Cahiers de biologie ; n° 14 "April 1970." Digitized edition from print [produced by Environment and Climate Change Canada]. "When the Canada migratory game bird hunting permit and survey system was planned one of our objectives was to produce results copmparable to those produced by surveys of the Bureau of Sport Fisheries and Wildlife for the United States"--p. [1]. Text in English and French. gccst Hunting (Sport) gccst Wildlife Canada. Environment Canada. Canadian Wildlife Service. Age and sex ratios of ducks harvested during the 1968-69 hunting season fre (CaOODSP)9.848868 Progress notes (Canadian Wildlife Service) no. 14 (CaOODSP)9.504439 PDF 935 KB https://publications.gc.ca/collections/collection_2017/eccc/CW69-9-14.pdf