Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 292
... deer , where there is emigration , and the black- tailed deer of the chaparral where some yearlings are lost , partly through being mistaken for older deer by hunters . During the third year of life there is a heavy loss among roe ...
... deer , where there is emigration , and the black- tailed deer of the chaparral where some yearlings are lost , partly through being mistaken for older deer by hunters . During the third year of life there is a heavy loss among roe ...
Стр. 294
... TAILED DEER ( CHAPARRAL ) ROE DEER 3 BLACK- TAILED DEER ( SHRUB 7 YEARS MALES RED DEER LAND ) DALL SHEEP 10 12 13 FIG . 29-2 . - Survivorship curves for females of five ungulate populations . black - tailed deer , especially from the ...
... TAILED DEER ( CHAPARRAL ) ROE DEER 3 BLACK- TAILED DEER ( SHRUB 7 YEARS MALES RED DEER LAND ) DALL SHEEP 10 12 13 FIG . 29-2 . - Survivorship curves for females of five ungulate populations . black - tailed deer , especially from the ...
Стр. 297
... Black - tailed deer Chaparral 36 22 Shrubland 55 Red deer 30 59 42 2488 53 34 73 28 61 46 74 30 72 22332 37 2.3 4.2 53 1.3 2.4 49 2.9 3.1 63 1.2 2.6 72 3.3 2.8 Roe deer Dall sheep . competition for food between young and adults . When ...
... Black - tailed deer Chaparral 36 22 Shrubland 55 Red deer 30 59 42 2488 53 34 73 28 61 46 74 30 72 22332 37 2.3 4.2 53 1.3 2.4 49 2.9 3.1 63 1.2 2.6 72 3.3 2.8 Roe deer Dall sheep . competition for food between young and adults . When ...
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