00000nam 2200000za 4500 9.847104 CaOODSP 20241203113640 cr ||||||||||| 171115s1970 picabo #o f000 0 eng d CaOODSP eng n-cn-pi CW68-23/1970E-PDF Guignion, Daryl L. Waterfowl survey, 1970 [electronic resource] / D. Guignion. [Charlottetown, P.E.I.] : [Canadian Wildlife Service], 1970. 49 p. : ill., col. maps, col. photos Title from label on cover. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "The Canadian Wildlife Service conducts annual aerial surveys on Prince Edward Island during the autumn migratory period. A banding program is also undertaken by the Canadian Wildlife Service during the summer months but no regular waterfowl breeding survey is conducted by the Service on Prince Edward Island. ... The objectives of the study are to choose an adequate number of typical waterfowl breeding regions and in these to set up permanent census areas to determine annual trends in breeding density, species composition, and brood production"--p. 1-2. gccst Aquatic birds gccst Environmental management Canada. Environment Canada. Canadian Wildlife Service. PDF 16.35 MB https://publications.gc.ca/collections/collection_2017/eccc/CW68-23-1970-eng.pdf