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Author:
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Languages : en
Pages :
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Author:
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Category :
Languages : en
Pages :
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Author: Jonathan Baillie
Publisher: IUCN
ISBN: 9782831708263
Category : Nature
Languages : en
Pages : 228
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Book Description
Applies Red List data to calculate a Red List Index.
Author: U.S. Fish and Wildlife Service
Publisher:
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Category : Endangered species
Languages : en
Pages : 40
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Author: National Research Council
Publisher: National Academies Press
ISBN: 9780309045346
Category : Technology & Engineering
Languages : en
Pages : 580
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Aldo Leopold, father of the "land ethic," once said, "The time has come for science to busy itself with the earth itself. The first step is to reconstruct a sample of what we had to begin with." The concept he expressedâ€"restorationâ€"is defined in this comprehensive new volume that examines the prospects for repairing the damage society has done to the nation's aquatic resources: lakes, rivers and streams, and wetlands. Restoration of Aquatic Ecosystems outlines a national strategy for aquatic restoration, with practical recommendations, and features case studies of aquatic restoration activities around the country. The committee examines: Key concepts and techniques used in restoration. Common factors in successful restoration efforts. Threats to the health of the nation's aquatic ecosystems. Approaches to evaluation before, during, and after a restoration project. The emerging specialties of restoration and landscape ecology.
Author:
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Category :
Languages : en
Pages : 322
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Author: Linda Campbell
Publisher: University of Texas Press
ISBN: 9781885696045
Category : Nature
Languages : en
Pages : 130
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Book Description
Called to the principal's office, Brad remembers all the tricks he has played on his classmates and wonders who has turned him in.
Author:
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Category : Mountain ecology
Languages : en
Pages : 348
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309125391
Category : Nature
Languages : en
Pages : 611
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The rapid conversion of land to urban and suburban areas has profoundly altered how water flows during and following storm events, putting higher volumes of water and more pollutants into the nation's rivers, lakes, and estuaries. These changes have degraded water quality and habitat in virtually every urban stream system. The Clean Water Act regulatory framework for addressing sewage and industrial wastes is not well suited to the more difficult problem of stormwater discharges. This book calls for an entirely new permitting structure that would put authority and accountability for stormwater discharges at the municipal level. A number of additional actions, such as conserving natural areas, reducing hard surface cover (e.g., roads and parking lots), and retrofitting urban areas with features that hold and treat stormwater, are recommended.
Author:
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Category : Competition (Biology)
Languages : en
Pages : 76
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Author: Greg Sherley
Publisher:
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Category : Alien plants
Languages : en
Pages : 208
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