Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 143
... Range , or approximately 7500 people , are dependent directly on wildlife and related recreation . The dependencies come from commercial fishing , providing goods and services for recreationists , and from food provided by game meat ...
... Range , or approximately 7500 people , are dependent directly on wildlife and related recreation . The dependencies come from commercial fishing , providing goods and services for recreationists , and from food provided by game meat ...
Стр. 245
... RANGE CONDITIONS ( 1950 ) E. L. Cheatum and C. W. Severinghaus This paper was one of the first to relate range quality to reproductive performance of big game . These authors recognized that fecundity may provide an index of population ...
... RANGE CONDITIONS ( 1950 ) E. L. Cheatum and C. W. Severinghaus This paper was one of the first to relate range quality to reproductive performance of big game . These authors recognized that fecundity may provide an index of population ...
Стр. 335
... RANGE ( 1938 ) Ralph T. King Here is an early attempt to describe the habitat requirements of wild- life . Although few game species had been studied King was able to ... range - insofar 335 The essentials of a wildlife range R T King (1938)
... RANGE ( 1938 ) Ralph T. King Here is an early attempt to describe the habitat requirements of wild- life . Although few game species had been studied King was able to ... range - insofar 335 The essentials of a wildlife range R T King (1938)
Содержание
PERSPECTIVES | 1 |
Thinking like a mountain | 9 |
Lost margins in the abandoned farm | 19 |
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Readings in Wildlife Conservation James Allen Bailey,William Elder,Ted D. McKinney Просмотр фрагмента - 1974 |
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acres adult agencies animals annual areas Barbary sheep behavior big game biological biologists birds black-tailed deer breeding burning Canada Canada geese caribou carrying capacity changes chaparral conservation cost crop Dall sheep diversity ecological economic ecosystem effects environment example exotic experience factors farm fertility Fish and Game fish and wildlife forage forest game management geese goose groups grouse growth habitat harvest herd hunters hunting important increase individual kill land Leopold limited living mallards marshes ment method Mississippi Flyway moose mortality muskrats National Park natural organic Park Service percent plants population density prairie predation problem production quail recreation refuge reproductive result ruffed grouse season seed sharecropping shrubland social soil species sport square miles succession territory tion types ungulates unit vegetation waterfowl white-tailed deer wild Wildl wildlife management wildlife resources winter range wolf wolves