Management of Traditional Resource Systems in Marginal Areas
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December 1, 1979 In their paper on ‘The International Potential of Traditional Resource Systems in Marginal Areas,’ Ruddle and Grandstaff (1978) point out that development is ‘problematical’ for marginal areas of the world. They have suggested that ‘transformational’ development may … Read More

World Models, Resources, and Environment
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April 1, 1979 Resources are the life-blood of any industrialized civilization, and thus Man has always been concerned with their continued availability. In primitive societies, which basically depended on agricultural products, the total need for raw materials, and also the … Read More

North American Water Transfers: An Overview
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June 1, 1978 Interregional water transfer is not new: it has been practised from time immemorial. For example, the ancient Egyptians diverted river water over long distances several thousand years ago. But its importance has increased in recent years, especially … Read More

Loss of Productive Soil
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June 1, 1978 Soil is an important component of the biosphere, and is an absolutely essential component for agricultural production. It is axiomatic that the agricultural self-sufficiency of any country is dependent on availability of good soil and its continuing … Read More

Interregional Water Transfers
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January 2, 1978 A Task Force, comprising well-known international experts, met at the International Institute of Applied Systems Analysis (IIASA), Laxenburg, Austria, during 11-14 October, 1977, to discuss and review current status of interregional water transfers (IWT) in the world, … Read More

Socio-Economic Considerations in Water Resources Planning
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August 1, 1973 Historically, the main objective of water resources development has been economic efficiency, and the technique for its evaluation has been benefit-cost analysis. Gradually other objectives have emerged, and these in order of their emergence are regional income … Read More