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The aim of this book is to bring methods of land-market and land-price analysis to the foreground. It relates substantive research findings for land and urban development and blends these with a focus on research design and methodology. Its findings have relevance beyond the topics of housing and land: it broaches the whole question of how research design and general approach may lead to fundamentally different findings, different priorities, and different policy prescriptions and preoccupations. It is based on work done in the Third World, but is also relevant to studies of the industrialized world.
Interest in the biology of African 'wetlands' was initiated in the last century with the hypothesis that Lake Tanganyika was once part of a Jurassic sea, and was furthered by Cunnington's expedition at the beginning of this century which proved that it was not. In the late 1920's, ecological studies, encouraged by the growing importance of inland fisheries, were started hy British, French and Belgian biologists. Some twenty years later several government limnological research centres and fishery departments were established in tropical Africa, and scientific progress was accelerated. Scientific collaboration between the regions south of the Sahara was started formally in 1951 by the Scientific Council for Africa and stimulated by the International Biological Programme (1964-74) with its emphasis on biological productivity. Some of its interests were takcn on by SCOPE which recently selected continental wetlands as a Special Project; hence this book. The five authors, with-Patrick Denny as editor, have made a very valuable contribution both to science and to thc management of Africa's natural rcsourccs: thcy have filled a gap in the synthesis of knowledge about Africa's environments which is long overdue. The term 'wetland' is used today in several different contexts. For this purpose, it excludes the seas and large open inland waters. which are too deep for rooted plants, but includes the huge areas of floodplains and dambos which may change seasonally from standing water to very dry lands.
First published in 1986, this reissue is concerned with the increased social problems, regional imbalances, and economic dislocation resulting from the alarming growth rate of cities in the developing world. It considers theoretical questions and contains wide-ranging case studies to support the arguments made. It relates urbanisation in the developing world to changes in the broader global economic system, as well as looking at the urbanisation process over time.