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General Technical Report
Title: Forests and water: effects of forest management on floods, sedimentation, and water supply
Author: Anderson, Henry W.; Hoover, Marvin D.; Reinhart, Kenneth G.
Source: General Technical Report PSW-018. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 115 p
Station ID: GTR-PSW-018
Description: From the background of more than 100 years' collective experience in watershed research and from comprehensive review of the literature of forest hydrology, the authors summarize what is known about the forest's influence on the water resource, particularly the effects of current forestry practices. They first examine the fundamental hydrologic processes in the forest. They then discuss how water supply, floods, erosion, and water quality are affected by timber harvesting, regeneration, tree planting, type conversion, fire, grazing, and the application of fertilizers and pesticides. They consider and present the special problems of fire-prone chaparral, phreatophytes, wetland forests, and surface-mined sites. Finally, they assess potential increases in water yield that might be achieved by forest management in each of six major forest regions in the United States and venture some predictions about future management of watersheds. Nearly 600 references provide a fairly comprehensive overview of the literature.
Key Words: Forest influences, water yield, flood control, erosion, sedimentation, water quality, multiple-use, watershed management, forest fire, logging, forest grazing, wetlands, phreatophytes, surface mining
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Anderson, Henry W.; Hoover, Marvin D.; Reinhart, Kenneth G. 1976. Forests and water: effects of forest management on floods, sedimentation, and water supply General Technical Report PSW-018. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 115 p.