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Watershed sustainability: Downstream effects of timber harvest in the Ozarks of Missouri

USDA General Technical Report NC-239-6
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Abstract

The downstream effects of timber harvest in the Ozarks of Missouri can be evaluated by analogy to other geographic areas and by historical analysis of responses to past land use activities. Based on research from other geographic regions, timber harvest in the Ozarks would be expected to have minor effects on annual water yield and dissolved-phase water quality. The potential exists for haul roads to increase stormflow discharges and sediment yields. Of the possible downstream effects, sediment yield is potentially the most severe and difficult to predict; siting and design of roads are probably the most critical management concerns for minimizing downstream effects. Historical analysis shows that Ozark streams have been destabilized by past land use practices, primarily in the riparian zone. Therefore, present-day timber harvest takes place in a landscape where streams have lowered resilience to disturbance. Predictions of future downstream effects of timber harvest in the Ozarks are complicated by the inherent complexity of cumulative watershed effects and the lack of detailed, long-term instrumental records at appropriate scales.

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Publication type Report
Publication Subtype Other Government Series
Title Watershed sustainability: Downstream effects of timber harvest in the Ozarks of Missouri
Series title USDA General Technical Report
Series number NC-239
Chapter 6
Year Published 2004
Language English
Publisher Forest Service U.S. Department of Agriculture
Publisher location St. Paul, MN
Contributing office(s) Columbia Environmental Research Center
Description 23 p.
First page 106
Last page 128
Country United States
State Missouri
Other Geospatial Ozarks
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