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Monitoring Timber Harvest Impacts on Stream Sedimentation: Instream vs. Upslope Methods

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There is increasing pressure on forest managers and natural resource professionals to measure, monitor, and evaluate stream sediment production from timber harvest activities. However, the great expense of instream sediment monitoring severely limits the number of monitoring projects which can be undertaken and has hindered the development of regulations to maintain water quality. The purpose of this study was to compare instream vs. upslope monitoring on three experimental clearcuts in northeast Washington State. The up slope monitoring approach tested in this study appeared to circumvent most problems associated with instream monitoring and provided a clear physical linkage between measurements and on-site processes. However, on-site observations indicated that important sedimentation event were unaccounted for by both instream and upslope monitoring. It was concluded that qualitative observations can also be important tools for monitoring the effects of forest management activities on sediment production and delivery. West. J. Appl. For. 11(1):25-32.

Document Type: Journal Article

Affiliations: Department of Natural Resource Sciences, Washington State University, Pullman, WA 99164-6410

Publication date: 1996-01-01

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Western Journal of Applied Forestry covers the western United States, including Alaska, and western Canada; WJAF will also consider manuscripts reporting research in northern Mexico that has potential application in the southwestern United States.
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