Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 193
... social buffer zones seems essential to the maintenance of group integrity and it is a major factor in reducing the number of animals which utilize a given amount of space . 2. Social stability favors successful reproduction . - A stable ...
... social buffer zones seems essential to the maintenance of group integrity and it is a major factor in reducing the number of animals which utilize a given amount of space . 2. Social stability favors successful reproduction . - A stable ...
Стр. 206
... social structure in comparison with many other representatives of their orders . To produce the fullest understanding of sociality and pop- ulation dynamics some of those species with less complex social structure should also be ...
... social structure in comparison with many other representatives of their orders . To produce the fullest understanding of sociality and pop- ulation dynamics some of those species with less complex social structure should also be ...
Стр. 207
... social structure in comparison with many other representatives of their orders . To produce the fullest understanding of sociality and pop- ulation dynamics some of those species with less complex social structure should also be ...
... social structure in comparison with many other representatives of their orders . To produce the fullest understanding of sociality and pop- ulation dynamics some of those species with less complex social structure should also be ...
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 |
Часто встречающиеся слова и выражения
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