Winter Ecology of the Northern Bobwhite in Kansas Cropland and Rangeland Ecosystems PDF Download
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Author: Christopher Kelley Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 226
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Book Description
Author: Christopher Kelley Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 226
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Book Description
Author: Christopher K. Williams
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Category : Bird populations
Languages : en
Pages : 36
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Book Description
Author: Christopher Kelley Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 162
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Book Description
Author:
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Category : Electronic journals
Languages : en
Pages : 796
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Author:
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Category : Wildlife conservation
Languages : en
Pages : 120
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Author:
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Category : Agricultural conservation
Languages : en
Pages : 380
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Book Description
"The bibliography is a guide to recent scientific literature covering effects of agricultural conservation practices on fish and wildlife. The citations listed here provide information on how conservation programs and practices designed to improve fish and wildlife habitat, as well as those intended for other purposes (e.g., water quality improvement), affect various aquatic and terrestrial fauna"--Abstract.
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Category : Birds
Languages : en
Pages : 776
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Author: Jeffrey A. Cox
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Category : Birds
Languages : en
Pages : 56
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Category : Wildlife management
Languages : en
Pages : 98
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Author: John L. Roseberry
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Category : Nature
Languages : en
Pages : 312
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Book Description
This book presents the results and conclusions of the longest continuous study ever undertaken for a local North American game bird population. Since 1950 abundance has been determined seasonally by direct count, nesting ecology by field searches and observation, and hunting pressure and harvest by field interviews. Land use and weather conditions also have been recorded. The period of the study saw considerable change in regional land use and included several of the most severe winters in recorded weather history. Continuing harvest of the study population did not have a progressively depressing effect on standing densities; rather it held breeding stock somewhat below K at a more productive point on the growth curve. Roseberry and Klimstra report that there was clear evidence of an 8 to 10-year cycle within the study population. They found after examining a number of cycle theories that a close temporal relationship existed between their bobwhite data and the nodal lunar cycle described by Archibald (1977). Sound field techniques, long-term data acquisition, and appropriate mathematical and statistical treatment of the data combine to provide a significant contribution to what is known of not only bobwhite but basic population ecology.
