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Wetlands

United States. Congress. Office of Technology Assessment

Published: 1984

Total Pages: 228


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Wetland types -- Wetland values and the importance of wetlands to man -- Wetland programs that affect the use of wetlands -- Wetland trends -- Impacts and mitigation -- Effects of the 404 program -- Limitations of the 404 program for protecting wetlands -- Capabilities of the states in managing the use of wetlands.
"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.
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.
In discussion with Ramsar’s Max Finlayson and Nick Davidson, and several members of the Society of Wetland Scientists, Springer is proposing the development of a new Encyclopedia of Wetlands, a comprehensive resource aimed at supporting the trans- and multidisciplinary research and practice which is inherent to this field. Aware both that wetlands research is on the rise and that researchers and students are often working or learning across several disciplines, we are proposing a readily accessible online and print reference which will be the first port of call on key concepts in wetlands science and management. This easy-to-follow reference will allow multidisciplinary teams and transdisciplinary individuals to look up terms, access further details, read overviews on key issues and navigate to key articles selected by experts.
This publication sets wetlands in their scientific, economic and legal context, before describing the main legal issues involved in implementing the Ramsar Convention. Parts 3-6 take an increasingly broad focus, dealing respectively with site-specific and bioregional approaches to wetland management, generally-applicable techniques for managing damaging processes and activities and, lastly, regional and international frameworks for cooperation. The book complements the recent work of scientists and economists by describing how laws and institutions can work for (or against) wetland conservation and wise use. Each chapter makes the link between international legal obligations and national or local mechanisms for delivering implementation. Drawing on national practice around the world, the book illustrates how different legal approaches and techniques can be adapted to widely-varying national conditions and capabilities. Key components for legal and institutional frameworks suited to the challenge of wise use implementations are set out in the conclusion.
This new edition explains what wetlands are and how they fit into our complex environmental systems. It incorporates recent court cases and regulations, discusses the functions and values of wetlands, and details the scientific classification of wetlands.