Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 341
... present in sufficient quantity they do not constitute a habitable range unless they are distributed in such a manner that every one of them occurs within the cruising radius of the animals requiring them , and unless they do so occur ...
... present in sufficient quantity they do not constitute a habitable range unless they are distributed in such a manner that every one of them occurs within the cruising radius of the animals requiring them , and unless they do so occur ...
Стр. 362
... present in small num- bers ; that spruce grouse were present and possibly fairly abundant . The latter conclusion is based upon habitat considerations ; there is no record of the spruce grouse in the county . Prairie chickens definitely ...
... present in small num- bers ; that spruce grouse were present and possibly fairly abundant . The latter conclusion is based upon habitat considerations ; there is no record of the spruce grouse in the county . Prairie chickens definitely ...
Стр. 363
... present . Some land clearing , cutting of timber for home consumption , splitting of shingles , harvest of ... present site of Babcock , and a little store was conducted there . " This settlement was within Section 15 , and hence within ...
... present . Some land clearing , cutting of timber for home consumption , splitting of shingles , harvest of ... present site of Babcock , and a little store was conducted there . " This settlement was within Section 15 , and hence within ...
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