00000nam 2200000za 4500 9.847119 CaOODSP 20241203113640 cr ||||||||||| 171115s1984 nkcb|||#o f000 0 eng d CaOODSP eng n-cn-ns CW68-26/1984E-PDF Waterfowl production surveys on randomly selected wetlands in Nova Scotia [electronic resource]. [Sackville, N.B.] : Canadian Wildlife Service, 1984. [11] p. : map Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "The objective of the surveys was two-fold: (1) to develop and test aerial brood censusing techniques on a variety of coastal and freshwater wetlands: and (2) to gather black duck production data as a basis for evaluating trends in breeding over a five-year period. ... The following is a discussion of surveys conducted on freshwater wetlands in N.S. without regard for the coastal units"--p. 2. gccst Aquatic birds gccst Environmental management Canada. Environment Canada. Canadian Wildlife Service. PDF 4.34 MB https://publications.gc.ca/collections/collection_2017/eccc/CW68-26-1984-eng.pdf