00000nam 2200000za 4500 9.850134 CaOODSP 20241203113641 cr ||||||||||| 180116s1987 onc ||||o f000 0 eng d CaOODSP eng n-cn-on CW69-9/168E-PDF Ross, Richard Kenyon. Interim report on waterfowl breeding pair surveys in northern Ontario, 1980-83 [electronic resource] / by R.K. Ross. [Ottawa] : Canadian Wildlife Service, 1987. 9 p. Progress notes ; no. 168 "May 1987." Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Rapport provisoire sur les dénombrement de couples reproducteurs d'oiseaux aquatiques dans le nord de l'Ontario, de 1980 à 1983. Includes bibliographical references. "The methodology used for an extensive helicopter survey of breeding waterfowl in the Shield and clay belt regions of northern Ontario is described, together with the interim results of that survey"--Abstract. gccst Aquatic birds gccst Population Waterfowl Breeding Canada. Environment Canada. Canadian Wildlife Service. Rapport provisoire sur les dénombrements de couples reproducteurs d’oiseaux aquatiques dans le nord de l’Ontario, de 1980 à 1983 (CaOODSP)9.860814 Progress notes (Canadian Wildlife Service) no. 168 (CaOODSP)9.504439 PDF 492 KB https://publications.gc.ca/collections/collection_2018/eccc/CW69-9-168-eng.pdf