Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 60
... land mechanism in terms any scientist can approve and any layman understand , men like Robert Cushman Murphy , Charles Elton , Fraser Darling . Is it possible that science , once seeking only easier ways to live off the land , is now to ...
... land mechanism in terms any scientist can approve and any layman understand , men like Robert Cushman Murphy , Charles Elton , Fraser Darling . Is it possible that science , once seeking only easier ways to live off the land , is now to ...
Стр. 351
... land use on each soil type . Since most game management must be done upon private land , it is imperative that we de- vise our management techniques so that they will be compatible with and beneficial to the best use of the land for ...
... land use on each soil type . Since most game management must be done upon private land , it is imperative that we de- vise our management techniques so that they will be compatible with and beneficial to the best use of the land for ...
Стр. 478
... land management decisions with little regard for fish and wildlife . Since these do not pro- vide him with any ... land . This has permitted the land owner to charge fees for entry to hunt . The wildlife resource upon his land has thus ...
... land management decisions with little regard for fish and wildlife . Since these do not pro- vide him with any ... land . This has permitted the land owner to charge fees for entry to hunt . The wildlife resource upon his land has thus ...
Содержание
PERSPECTIVES | 1 |
Thinking like a mountain | 9 |
Lost margins in the abandoned farm | 19 |
Авторские права | |
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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