A Documentary History of Conservation in America |
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Page 7
... kind of life may get many substances from another kind . Ultimately , the bacteria and other decomposers release the materials into the reservoirs again . All of these natural processes make use of energy that came originally from the ...
... kind of life may get many substances from another kind . Ultimately , the bacteria and other decomposers release the materials into the reservoirs again . All of these natural processes make use of energy that came originally from the ...
Page 12
... kind . Simpler systems are now being examined in which some stress restricts the number of kinds of life in a region . In the arctic and antarctic tundras and high on mountains , close to the snow line , cold weather kills off all but ...
... kind . Simpler systems are now being examined in which some stress restricts the number of kinds of life in a region . In the arctic and antarctic tundras and high on mountains , close to the snow line , cold weather kills off all but ...
Page 312
... kind of recreation . We need to preserve as many different kinds as we possibly can . The civilized kinds tend to preserve themselves through the automatic operation of economic laws . But wilderness travel is a kind that tends to ...
... kind of recreation . We need to preserve as many different kinds as we possibly can . The civilized kinds tend to preserve themselves through the automatic operation of economic laws . But wilderness travel is a kind that tends to ...
Contents
Awareness of the Living World | 3 |
MANS DOMINION | 97 |
THE FLAMING SWORD | 267 |
Copyright | |
2 other sections not shown
Common terms and phrases
abundance acres agriculture Aldo Leopold American animals areas beauty become birds buffalo busy monster Canaan Mountain century Charles Galton Darwin chemical cities civilization coal conservation conservationism crops desert Ducktown E. E. Cummings earth ecological ecologist economic environment environmental farm feet fertility fields fish forest future Gerard Piel grass green ground grow growth hills human hundred increase Indians industrial insects John Muir kill lake land land ethic landscape live look man's Mark Van Doren means ment miles million Mississippi mountain National Park nature nature's ocean parathion perhaps pesticides plain plants poison pollution population portions preserve problem produce region reservoirs rich river road rock selection soil spring streams things Thomas Cole thousand timber tion town trees valley vast vegetable Wasichus waste wild wilderness wind woods