Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 237
... ( Table 6 ) were made by multiplying the number of young - of - the - year by 100 and dividing by the total number of wood- chucks , which included young yearling , and older animals . The spring ( February - May ) percentages of ...
... ( Table 6 ) were made by multiplying the number of young - of - the - year by 100 and dividing by the total number of wood- chucks , which included young yearling , and older animals . The spring ( February - May ) percentages of ...
Стр. 253
... ( Table 1 ) resulted from inclusion of the DeBar Mountain deer whose fertility had more than doubled . TABLE 3. Comparative fertility of adult does from Moose River and Debar Mountain areas , 1939-1949 . Embryo counts Area Number does ex ...
... ( Table 1 ) resulted from inclusion of the DeBar Mountain deer whose fertility had more than doubled . TABLE 3. Comparative fertility of adult does from Moose River and Debar Mountain areas , 1939-1949 . Embryo counts Area Number does ex ...
Стр. 296
... Table 5-14 . TABLE 5-14 . Population density Chaparral Shrubland Wildfire burn ( First year fol- lowing burning ) ( Deer per square mile ) July .. 33 84 112 December . 27 64 86 Reproduction ( fawns per 100 adult females ) .. 0.77 1.65 ...
... Table 5-14 . TABLE 5-14 . Population density Chaparral Shrubland Wildfire burn ( First year fol- lowing burning ) ( Deer per square mile ) July .. 33 84 112 December . 27 64 86 Reproduction ( fawns per 100 adult females ) .. 0.77 1.65 ...
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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