An evaluation of the 1965 Ducks Unlimited waterfowl pair census of the Saskatchewan River Delta / G.H. Townsend.
Material type:
TextPublication details: 1965.Description: 12 (11) p. ; 28 cmOnline resources: Abstract: The 1965 waterfowl pair census was conducted: 1) to estimate relative densities of ducks within major cover types on the delta; 2) to obtain a population index for each waterfowl species, so that significant changes in yearly populations can be detected; 3) and to examine the statistical variability encountered in censusing, so that satisfactory methods of censusing may be adopted for future use.
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The 1965 waterfowl pair census was conducted: 1) to estimate relative densities of ducks within major cover types on the delta; 2) to obtain a population index for each waterfowl species, so that significant changes in yearly populations can be detected; 3) and to examine the statistical variability encountered in censusing, so that satisfactory methods of censusing may be adopted for future use.