00000nam 2200000za 4500 9.855780 CaOODSP 20241203113642 cr ||||||||||| 180425s1986 bcc #o f|0| 0 eng d 0662147502 08316481 CaOODSP eng eng fre n-cn-yk n-cn-nt CW69-5/1E-PDF McKelvey, Richard W. Aerial surveys of birds on the North Slope of the Yukon Territory, spring 1985 [electronic resource] / R. McKelvey. Delta, B.C. : Pacific and Yukon Region, Canadian Wildlife Service, Environment Canada, 1986. iv, 21 p. : maps. Technical report series ; no. 1 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographic references. "Aerial surveys were conducted over the Yukon North Slope between 17 June and 3 July, 1985, to determine the breeding density of migratory birds, primarily waterfowl. Information is presented on the routes flown, densities of birds seen, and difficulties encountered. Three habitat types were recognized: upland tundra, coastal, and delta lowlands."--Abstract, p. i. Includes abstract in French. gccst Migratory birds Canada. Environment Canada. Canadian Wildlife Service. Pacific and Yukon Region. Technical report series (Canadian Wildlife Service) no. 1 (CaOODSP)9.504438 PDF 1.47 MB https://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-1-eng.pdf