Southwestern Desert Resources

Author: William Lee Halvorson,Cecil R. Schwalbe,Charles Van Riper

Publisher: University of Arizona Press

ISBN: 9780816528172

Category: Science

Page: 360

View: 5600

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Yet Matt Ridley does more than describe how things are getting better. He explains why. Prosperity comes from everybody working for everybody else. The habit of exchange and specialization---which started more than 100,000 years ago---has created a collective brain that sets human living standards on a rising trend. The mutual dependence, trust, and sharing that result are causes for hope, not despair. --
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Biodiversity and the Management of the Madrean Archipelago

The Sky Islands of Southwestern United States and Northwestern Mexico

Author: Leonard F. DeBano

Publisher: DIANE Publishing

ISBN: 0788183869

Category:

Page: 669

View: 2894

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This conference brought together scientists and managers from government, universities, and private organizations to examine the biological diversity and management challenges of the unique "sky island" ecosystems of the mountains of the southwestern U.S. and northwestern Mexico. Session topics included: floristic resources, plant ecology, vertebrates, invertebrates, hydrology and riparian systems, aquatic resources, fire, conservation and management, human uses through time, and visions for the future. Illustrated.
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Biodiversity and management of the Madrean Archipelago

the sky islands of southwestern United States and northwestern Mexico : September 19-23, 1994, Tucson, Arizona

Author: Leonard F. DeBano,Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.),University of Arizona. School of Renewable Natural Resources

Publisher: N.A

ISBN: N.A

Category: Science

Page: 669

View: 3205

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Your national parks

a state-by-state guide

Author: George Hornby

Publisher: Random House Value Pub

ISBN: N.A

Category: Travel

Page: 319

View: 5293

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Complete coverage of the National Park System's 295 parks features illustrated entries covering location, transportation, fees, facilities, and handicap access
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