Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 112
... season - lease " arrangement . Season leases usually provide that a hunter or group of hunters will have exclusive hunting privileges for specified game species for the season . Harvest quotas for the hunters are established by the land ...
... season - lease " arrangement . Season leases usually provide that a hunter or group of hunters will have exclusive hunting privileges for specified game species for the season . Harvest quotas for the hunters are established by the land ...
Стр. 114
... season leases with day leases and of season leases with provisions for taking anterless deer are the next most profitable arrangements . The traditional season lease is usually the least profitable , but because of the limited inputs ...
... season leases with day leases and of season leases with provisions for taking anterless deer are the next most profitable arrangements . The traditional season lease is usually the least profitable , but because of the limited inputs ...
Стр. 246
... season and the corpora lutea scars of the preceding breeding season were determined from razor sections of each pair of ovaries after hardening in formalin preservative . Embryo counts were made only when macroscopic embryos were found ...
... season and the corpora lutea scars of the preceding breeding season were determined from razor sections of each pair of ovaries after hardening in formalin preservative . Embryo counts were made only when macroscopic embryos were found ...
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