Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 475
... fish and wild- life species together as a natural resource of at least potential significance . We believe that there are four interrelated problems in the use of fish and wildlife as natural resources in the United States : ownership ...
... fish and wild- life species together as a natural resource of at least potential significance . We believe that there are four interrelated problems in the use of fish and wildlife as natural resources in the United States : ownership ...
Стр. 480
... fish and wildlife husbandry : the protection , maintenance , and enhancement of this renewable resource . Husbandry Fish and wildlife resources can be husbanded most successfully if the habitat is controlled . There are two sorts of ...
... fish and wildlife husbandry : the protection , maintenance , and enhancement of this renewable resource . Husbandry Fish and wildlife resources can be husbanded most successfully if the habitat is controlled . There are two sorts of ...
Стр. 670
... fish is an inviolable capital , of which the fishing industry must use only the interest , not touching the capital at all . Our theory says , on the contrary , that a fishery and a natural reserve of fish are incompatible , and that ...
... fish is an inviolable capital , of which the fishing industry must use only the interest , not touching the capital at all . Our theory says , on the contrary , that a fishery and a natural reserve of fish are incompatible , and that ...
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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 |
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