The dynamics of a waterfowl breeding population / Ingalf Gilbert Bue.
Material type:
TextSeries: Thesis ; (M.S.)Publication details: Minneapolis, MN : University of Minnesota, 1952.Description: iv, 90 leaves ; 28 cmOnline resources: Abstract: The history of wildlife management reveals many instances is which changes inland-use practices have altered habitats to the detriment or benefit of wildlife populations. One recent change that benefited waterfowl populations resulted when the Range Program was initiated by the U.S. Department of Agriculture in 1937. One of the purposes of this program was to aid ranchers in constructing dams that would store run-off and furnish an additional supply of drinking water for livestock on rangelands. In Stanley County, South dakota, the number of stock ponds increased from about 150 in 1938 to approximately 1,850 by the fall of 1951. With the appearance of the new water areas, waterfowl moved in and remained to breed. In march 1950 1 2-year study of 50 stock ponds was initiated. The purpose of this study ws to: 1) determine the year-round usage of the ponds by waterfowl; 2) determine the breeding population of the ponds; 3) determine waterfowl production; 4) measure the effect of environme
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Thesis(M.S.)--University of Minnesota, 1952.
Includes bibliographical references (leaves 89-90).
The history of wildlife management reveals many instances is which changes inland-use practices have altered habitats to the detriment or benefit of wildlife populations. One recent change that benefited waterfowl populations resulted when the Range Program was initiated by the U.S. Department of Agriculture in 1937. One of the purposes of this program was to aid ranchers in constructing dams that would store run-off and furnish an additional supply of drinking water for livestock on rangelands. In Stanley County, South dakota, the number of stock ponds increased from about 150 in 1938 to approximately 1,850 by the fall of 1951. With the appearance of the new water areas, waterfowl moved in and remained to breed. In march 1950 1 2-year study of 50 stock ponds was initiated. The purpose of this study ws to: 1) determine the year-round usage of the ponds by waterfowl; 2) determine the breeding population of the ponds; 3) determine waterfowl production; 4) measure the effect of environme