00000nam 2200000za 4500 9.856891 CaOODSP 20241203113643 cr ||||||||||| 180523s1990 bccd o f00| 0 eng d CaOODSP eng eng fre n-cn-bc CW69-5/109E-PDF McKelvey, Richard W. Aerial surveys of migratory birds on the Fraser River Delta, 1989-90 [electronic resource] / R.W. McKelvey, K.R. Summers. Delta, B.C. : Canadian Wildlife Service, Pacific and Yukon Region, 1990. vi, 73 p. : charts. Technical report series ; no. 109 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (p. 23). "The results of 16 aerial surveys over the estuary of the Fraser River between mid October 1989 and mid January 1990 are presented. The numbers seen were compared to those summarized for 1966-74, 1982-83 and 1983-84 by McKelvey et al (1985)"--Abstract. Includes abstract in French. gccst Migratory birds gccst Population gccst Estuaries Summers, Ken R. Canada. Environment Canada. Canadian Wildlife Service. Pacific and Yukon Region. Technical report series (Canadian Wildlife Service) no. 109. (CaOODSP)9.504438 PDF 2.67 MB https://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-109-eng.pdf