00000cam 2200000za 4500 9.855713 CaOODSP 20241203113642 cr ||||||||||| 180424s1980 onca|||#o f00| 0 eng d CaOODSP eng eng fre n-cn--- CW69-1/43E-PDF Birkhead, T. R. Census methods for murres, Uria species [electronic resource] : a unified approach / T.R. Birkhead, D.N. Nettleship. [Ottawa] : Canadian Wildlife Service, c1980. 25 p. : ill. Occasional paper ; no. 43 Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Méthodes de recensement des marmettes, espèce uria : une approche unifiée. Includes bibliographical references. "Methods are presented for estimating (a) population size and (b) population status of Common Murres (Uria aalge) and Thick-billed Murres (U. lomvia). Four colony types in which murres breed are described and methods for estimating population size for major colony types are presented"--Abstract. Includes abstract in French. gccst Birds gccst Population gccst Census Nettleship, David N., 1942- Canada. Environment Canada. Canadian Wildlife Service. Méthodes de recensement des marmettes, espèce Uria (CaOODSP)9.856460 Occasional paper (Canadian Wildlife Service) no. 43 (CaOODSP)9.504780 PDF 8.44 MB https://publications.gc.ca/collections/collection_2018/eccc/CW69-1-43-eng.pdf