Soil quality and productivity responses to watershed restoration in the Ouachita mountains of Arkansas, USA
The Ouachita Mountains Ecosystem Management Research Project (OEMP) is a large interdisciplinary research project designed to provide the scientific foundation for landscape management at the scale of watersheds. The OEMP has progressed through three phases: developing natural regeneration alternatives to clearcutting and planting; testing of these alternatives at the stand scale; and the present Phase III which compares the effects of landscape scale ecosystem management in the Upper Lake Winona Watershed and measures cumulative impacts. This 6,586 ha watershed was divided into six sub-watersheds, each with a different management objective and treatments. One of these sub-watersheds and the focus of our study is the 1,364 ha North Alum Creek sub-watershed which is being managed to recreate a Shortleaf Pine-Bluestem Ecosystem.
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