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Author:
Publisher:
ISBN:
Category : Wetland conservation
Languages : en
Pages : 104
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Book Description
Author:
Publisher:
ISBN:
Category : Wetland conservation
Languages : en
Pages : 104
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Book Description
Author: McCartney, M. P., Masiyandima, M., Houghton-Carr, H. A.
Publisher: IWMI
ISBN: 9290905980
Category : Wetland ecology
Languages : en
Pages : 44
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Book Description
This paper reports on a form of multi-criteria analysis that provides a formal approach for evaluating the suitability of a wetland for specific agricultural uses, and ensures that explicit consideration is given to the possible consequences of such utilization. The method is based on a hybrid of ideas taken from concepts and methodologies related to: environmental flow assessments, land suitability classification and the hazard evaluation procedures used in the design of dams. The approach, which elaborates the idea of working wetlands, is generic, though the examples presented are for case studies from southern Africa.
Author: United States. Environmental Protection Agency. Office of Water
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 24
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Book Description
Author: United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 164
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Author: McCartney, Matthew
Publisher: IWMI
ISBN: 9290907347
Category :
Languages : en
Pages : 44
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Book Description
In many places, growing population, in conjunction with efforts to increase food security, is escalating pressure to expand agriculture within wetlands. The environmental impact of wetland agriculture can have profound social and economic repercussions for people dependent on ecosystem services other than those provided directly by agriculture. If wetlands are not used sustainably, the functions which support agriculture, as well as other food security and ecosystem services, are undermined. This report synthesizes findings from multidisciplinary studies conducted into sustainable wetland agriculture by IWMI and partners in Africa and Asia. It highlights the value of wetland agriculture for poverty reduction as well as the need for more systematic planning that takes into account trade-offs in the multiple services that wetlands provide.
Author: E.J. Dunne
Publisher: BRILL
ISBN: 9086865585
Category : Nature
Languages : en
Pages : 284
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Book Description
Nutrient enrichment of water resources by inputs of nitrogen and phosphorus, which can lead to eutrophication is still a water quality problem in agriculturally dominated watersheds around the world. Internationally, wetlands both constructed and natural are increasingly being used to help reduce both point and non-point source nutrient and contaminant loss from agricultural practices. This publication contains papers presented at the international symposium on "Nutrient Management in Agricultural Watersheds: A Wetlands Solution," which was held during May, 2004 in Wexford, Ireland. The symposium was the result of an international collaboration between the Teagasc Research Centre, Johnstown Castle, Ireland, National Parks and Wildlife, Department of Environment, Heritage and Local Government, Ireland and the Soil and Water Science Department at the University of Florida, Gainesville, USA. These proceedings cover aspects of water quality within agricultural watersheds; management practices to mitigate contaminant and nutrient loss from agriculture; wetland biogeochemistry; wetland functions and values within agricultural dominated landscapes; case studies of wetlands used to retain nutrient and contaminant loss from agriculture; and finally some management and policy issues concerning wetlands are presented. This book provides a good interdisciplinary synthesis of international experiences both in Europe and the USA on the use of wetlands within agricultural watersheds.
Author:
Publisher:
ISBN:
Category : Agricultural economists
Languages : en
Pages : 48
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Book Description
Introduction / Jon Goldstein -- The Policy Context / Ralph E. Heimlich -- Costs of Wetlands Protection and Restoration Policies: Positive and Normative Approaches / Peter J. Parks and Randall A. Kramer -- Benefit Estimation / John Bergstrom and Richard Brazee -- Integrating Agricultural Reconversion of Wetlands into Achieving Environmental Goals in Urbanizing Regions / Leonard Shabman -- Questions and Answers -- References.
Author: Committee on Characterization of Wetlands
Publisher: National Academies Press
ISBN: 0309587220
Category : Science
Languages : en
Pages : 297
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Book Description
"Wetlands" has become a hot word in the current environmental debate. But what does it signify? In 1991, proposed changes in the legal definities of wetlands stirred controversy and focused attention on the scientific and economic aspects of their management. This volume explores how to define wetlands. The committee--whose members were drawn from academia, government, business, and the environmental community--builds a rational, scientific basis for delineating wetlands in the landscape and offers recommendations for further action. Wetlands also discusses the diverse hydrological and ecological functions of wetlands, and makes recommendations concerning so-called controversial areas such as permafrost wetlands, riparian ecosystems, irregularly flooded sites, and agricultural wetlands. It presents criteria for identifying wetlands and explores the problems of applying those criteria when there are seasonal changes in water levels. This comprehensive and practical volume will be of interest to environmental scientists and advocates, hydrologists, policymakers, regulators, faculty, researchers, and students of environmental studies.
Author: Donald A. Hammer
Publisher: CRC Press
ISBN: 1000114872
Category : Technology & Engineering
Languages : en
Pages : 856
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Book Description
Both practical and theoretical, this book provides the basic principles of soil chemistry, hydrology, wetland ecology, microbiology, vegetation and wildlife as a sound introduction to this innovative technology to treat toxic wastewaters and sludges. The use of wetlands for acid mine drainage, and metals removal in municipal, urban runoff, and industrial systems is discussed. Case histories are also presented, demonstrating specific types of constructed wetlands and applications to municipal wastewater, home sites, coal and non-coal mining, coal-fired electric power plants, chemical and pulp industry, agriculture, landfill leachate, and urban stormwater. Construction and management guidelines are clearly explained, providing information on applicable policies and regulations, siting and construction, and operations and monitoring of constructed wetlands treatment systems. Recent theoretical and empirical results from operating systems and research facilities, including such new applications as nutrient removal from eutrophic lakes and urban stormwater treatment within highway rights-of-way, are included. This book is an ideal resource for wastewater treatment plants, consulting engineers, federal and state regulators, industrial environmental managers, municipalities, environmental health professionals, and ecologists.
Author: United States. Congress. House. Committee on Agriculture. Subcommittee on Resource Conservation, Research, and Forestry
Publisher:
ISBN:
Category : Law
Languages : en
Pages : 234
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Book Description
Distributed to some depository libraries in microfiche.
