Waterfowl Breeding Population Survey for Wisconsin
Author :
Publisher :
Page : 30 pages
File Size : 14,23 MB
Release : 2003
Category : Bird populations
ISBN :
Author :
Publisher :
Page : 30 pages
File Size : 14,23 MB
Release : 2003
Category : Bird populations
ISBN :
Author :
Publisher :
Page : 316 pages
File Size : 26,13 MB
Release : 1956
Category : Waterfowl
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Author :
Publisher :
Page : 18 pages
File Size : 24,27 MB
Release : 1992
Category : Bird populations
ISBN :
Author : U.S. Fish and Wildlife Service
Publisher :
Page : 374 pages
File Size : 33,97 MB
Release : 1954
Category : Waterfowl
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Author : U.S. Fish and Wildlife Service
Publisher :
Page : 836 pages
File Size : 20,41 MB
Release : 1955
Category : Waterfowl
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Author : James R. March
Publisher :
Page : 42 pages
File Size : 50,88 MB
Release : 1973
Category : Bird populations
ISBN :
Author :
Publisher :
Page : 52 pages
File Size : 12,68 MB
Release : 1994
Category : Waterfowl
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Author : Leigh M. Couling
Publisher :
Page : 298 pages
File Size : 12,38 MB
Release : 1982
Category : Hunting surveys
ISBN :
A mail questionnaire survey of waterfowl hunters is conducted each year in the United States to provide information on waterfowl kill and hunter activity. We carried out a study using data from the 1971-73 and 1972-73 hunting seasons to determine the effectiveness of the present U.S. sampling and estimation techniques, and a number of modifications in both sampling and analysis is recommended.
Author :
Publisher :
Page : 378 pages
File Size : 38,18 MB
Release :
Category : Fishes
ISBN :
Author : David Raymond Anderson
Publisher :
Page : 178 pages
File Size : 23,95 MB
Release : 1972
Category : Bird populations
ISBN :
Simple experiments and observations reveal the physical properties of light.