Water Resources in Food and Energy Production

Pimentel, David; Fast, S.; Chao, Wei Liang; Stuart, Ellen; Dintzis, Joanne; Einbender, Gail; Schlappi, William; Andow, David A.; Broderick, Kathryn

doi:10.2307/1309009

Cited by 17 publications

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“…The productivity of such systems could be increased by better management of the resources, including (1) increasing the land area occupied per individual human or reducing population density; (2) reducing the total population of livestock and keeping those that appear to be more efficient like the camels and cattle (Coughenor et al, 1985;Galvin, 1985); (3) improving the genetic livestock; (4) encouraging certain types of shrubs and trees as well as certain herbaceous plants that are more productive than those currently available; (5) protecting and managing of the browse reserve; and (6) conserving water resources using various water-conservation technologies (Pimentel, 1986). Each of the proposed alternative management strategies has advantages and disadvantages, and each will directly influence the social and economic structure of the pastoral and ecological system.…”

Section: Examples Case Studies and Modelsmentioning

confidence: 99%

Examples, Case Studies, and Models

1992

Integrated Resource Management

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This chapter is devoted primarily to a case-by-case description of the ways in which trees, bushes, grasses, and crops have been grown together around the world. The first part of the chapter is extensive. It provides a summary presentation of the immense variety of agroforestry systems that are found throughout the world, and explains the uses, strengths, and weaknesses of many of them. The second part of the chapter is intensive. It subjects four agroforestry systems in northwest Kenya, northeast China, Central America, and Indonesia to detailed review.

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Section: Examples Case Studies and Modelsmentioning

confidence: 99%

Examples, Case Studies, and Models

1992

Integrated Resource Management

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“…Water availability, for example, is a major limiting factor for crop growth and forest production, and about 80% of the consumed fresh water on the globe is now being used agriculturally (Pimentel, 1986). Where rainfall is inadequate, water can be supplied t o crops by irrigation.…”

Section: Introductionmentioning

confidence: 99%