Readings in Wildlife ConservationJames Allen Bailey, William Elder, Ted D. McKinney Wildlife Society, 1974 - Всего страниц: 722 |
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Стр. 126
... costs . Costs , on the other hand , consist of things like planning and design expenditures , construction costs ( namely , labor , supplies , and equipment ) , and the cost of land required for the reservoir . The latter is simply the ...
... costs . Costs , on the other hand , consist of things like planning and design expenditures , construction costs ( namely , labor , supplies , and equipment ) , and the cost of land required for the reservoir . The latter is simply the ...
Стр. 608
... costs of initial development for items such as lime , fertilizer , planting trees and shrubs , and extensive seeding of grasses and legumes . The estimated annual cost of operating a food - patch program is conservative , because ...
... costs of initial development for items such as lime , fertilizer , planting trees and shrubs , and extensive seeding of grasses and legumes . The estimated annual cost of operating a food - patch program is conservative , because ...
Стр. 608
... costs of initial development for items such as lime , fertilizer , planting trees and shrubs , and extensive seeding of grasses and legumes . The estimated annual cost of operating a food - patch program is conservative , because ...
... costs of initial development for items such as lime , fertilizer , planting trees and shrubs , and extensive seeding of grasses and legumes . The estimated annual cost of operating a food - patch program is conservative , because ...
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