Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
Результаты поиска по книге
Результаты 1 – 3 из 79
Стр. 41
... important com- ponent of the park even if it is not as tolerant to an urban environment as some of its exotic counterparts . I argued that the old oaks should be retained as long as they are alive and that perhaps ways might be found to ...
... important com- ponent of the park even if it is not as tolerant to an urban environment as some of its exotic counterparts . I argued that the old oaks should be retained as long as they are alive and that perhaps ways might be found to ...
Стр. 323
... important functions as regulators which stabilize the growth and composition of the ecosystem . Such me- tabolites may , in fact , be extremely important in preventing populations from overshooting the equilibrial density , thus in ...
... important functions as regulators which stabilize the growth and composition of the ecosystem . Such me- tabolites may , in fact , be extremely important in preventing populations from overshooting the equilibrial density , thus in ...
Стр. 605
... important - roosting . The plants most frequently occurring after the burning or sharecropping were : goldenrod ( Solidago spp . ) , rough buttonweed ( Diodia teres ) , fall white aster ( Aster pilosus ) , common ticklegrass ( Agrostis ...
... important - roosting . The plants most frequently occurring after the burning or sharecropping were : goldenrod ( Solidago spp . ) , rough buttonweed ( Diodia teres ) , fall white aster ( Aster pilosus ) , common ticklegrass ( Agrostis ...
Содержание
PERSPECTIVES | 1 |
Thinking like a mountain | 9 |
Lost margins in the abandoned farm | 19 |
Авторские права | |
Не показаны другие разделы: 33
Другие издания - Просмотреть все
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