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Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 48
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Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 48
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Book Description
Author: Bill Rushton
Publisher: The Institute for Southern Studies
ISBN:
Category :
Languages : en
Pages : 228
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Book Description
Soil, timber, and minerals have shaped the South inpeculiar ways and continue to stand in a precarious limbo between potential and exploitation. Not only has profit-oriented development devoured the South's natural resources, it has also produced our own home-grown, land-hungry barons. The byproducts of this process are sharecropper and entrepreneur, clea rcut forests and ravaged mountains, the cotton plantation and agribusiness. The gas shortage and oil profits, our electric bills and strip-mined coal, skyrocketing food prices—all accent the critical position of land-based enterprises in our contemporary society. This double issue of Southern Exposure explores this foundation of southern culture.
Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 404
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 442
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Author:
Publisher:
ISBN:
Category : Arid regions
Languages : en
Pages : 638
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Book Description
Author: Ralph Costa
Publisher: Surrey, B.C. : Hancock House
ISBN:
Category : Nature
Languages : en
Pages : 754
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Book Description
Populations of the red-cockaded woodpecker (Picoides borealis) have experienced massive declines since European colonization of North America. This is due to extensive habitat loss and alteration. Logging of old-growth pine forests and alteration of the fire regime throughout the historic range of the species were the primary causes of population decline. Listing of the red-cockaded woodpecker under the Endangered Species Act of 1973, as amended, and increased emphasis on management of non-game species have resulted in efforts to recover remnant populations of the red-cockaded woodpecker in many parts of its historic range. Due to extensive research and adaptive management initiatives much is now known about the elements required for both short- and long-term management of viable populations of red-cockaded woodpeckers. A short-term strategy is crucial because currently available habitat, in nearly all populations, is poor in 1 or more critical respects. Consequently, almost all populations require immediate attention in the short term, to insure suitable midstory and understory conditions, adequate availability of suitable cavities, and restoration of demographic viability through improvements in number and distribution of breeding groups. Management techniques including artificial cavities, cavity entrance restrictors, translocation of birds, prescribed fire, and mechanical and chemical control of woody vegetation are available to achieve these needs. In the long term, cost-effective management of red-cockaded woodpecker populations requires a timber management program and prescribed fire regime that will produce and maintain the stand structure characteristic of high quality nesting and foraging habitat, so that additional intensive management specific to the woodpeckers is no longer necessary. Timber management that achieves this goal and still allows substantial timber harvest is feasible. The implementation of a red-cockaded woodpecker management strategy, as outlined above, represents appropriate ecosystem management in the fire-maintained pine ecosystems of the southeastern United States and will ultimately benefit a great number of additional species of plants and animals adapted to this ecosystem.
Author: Mark S. Boyce
Publisher: Yale University Press
ISBN: 9780300078589
Category : Nature
Languages : en
Pages : 382
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Book Description
Until recently, natural resource management of such commodities as timber and wildlife was driven largely by the desire to exploit these resources. During the past three decades, however, ecologists have warned that this approach to natural resource management could have unforeseen consequences because it ignored how ecosystems function within the landscape. Federal agencies that oversee forest and wildlife resources have begun to implement different schemes of ecosystem management, schemes that vary enormously among agencies. Contributors to this volume--leading experts who are agency personnel as well as researchers--now clarify the key elements of sound ecosystem management and offer prescriptions for implementing them. The authors discuss definitions of ecosystem management, sustainability of ecological systems, landscape ecology, resource management at different scales and in an ecosystem context, new advances in computer technology that facilitate classification schemes for ecosystems, ecosystem restoration, biological diversity, and public concerns. Throughout, the experts agree that management practices must be sustainable: that production of commodities, such amenities as recreation and aesthetics, and biodiversity must not be allowed to decline over time.
Author: Library of Congress
Publisher:
ISBN:
Category : Catalogs, Subject
Languages : en
Pages : 1038
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 462
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Book Description
Author:
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 106
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Book Description
