Wetlands : a threatened landscape
著者
書誌事項
Wetlands : a threatened landscape
（The Institute of British Geographers special publications series, 25）
B. Blackwell, 1990
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注記
"First published in USA 1991"
Bibliography: p. [356]-392
Includes index
内容説明・目次
内容説明
This volume is intended as a comprehensive appraisal of the world's wetlands. Illustrated with original maps and photographs, it draws together and evaluates work from a wide variety of disciplines in the natural and social sciences. Its purpose is threefold: firstly to explore and to explain the evolution, occurrence and composition of wetlands and their physical and biological dynamics; second, to consider the impact upon them of agriculture, industry, urbanization and recreation; and third, to examine what steps are being and should be taken to manage and to preserve them. Distinctive wetland landscapes occupy some six per cent of the land surface of the earth. They range from fens and freshwater marshes to tropical mangroves and tundra swamps. All, however, have a number of common characteristics and problems: they are neither sound land nor open water and have commonly been regarded as wastelands that should be infilled or "reclaimed". They are prime targets for recreation, agricultural exploitation, urbanization and for the building of port and industrial facilities. They are everywhere disappearing at a rapid rate.
From the early 1970s it has become belatedly but urgently apparent that wetlands perform a number of hydrological, physical, chemical and biological functions in, for example, flood control and chemical removal and as essential breeding grounds in the marine food chain. Wetlands, furthermore, provide habitats for a unique and multifarious range of animal and plant species.
目次
- Understanding wetlands, Michael Williams
- wetland hydronamics, morphology and sedimentation, Antony Orme
- soils and ecology - temperate wetlands, Peter D.Moore
- soils and ecology - tropical wetlands, Thomas V.Armentano
- archaeology and wetlands - a wealth of evidence, Bryony Coles
- agricultural impact in tropical wetlands, John R.Richards
- post-industrialization, urbanization and wetland loss, David A.Pinder
- recreation and wetlands - impacts, conflict and policy issues, David C.Mercer
- wetland losses and gains, James G.Gosselink and Edward Maltby
- protection and retrospection, Michael Williams.
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