Research supports new approach to mine reclamation

phys.org | 1/20/2016 | Staff
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A new approach to reclaiming lands disturbed by surface mining is having the desired result of improving ecosystem diversity, including restoration of foundation species such as sagebrush, according to a study by University of Wyoming researchers.

The study by Associate Professor Kristina Hufford and graduate student Kurt Fleisher, in the Department of Ecosystem Science and Management, looked at former uranium and coal mine sites in central and southwest Wyoming reclaimed under the Wyoming Department of Environmental Quality's (DEQ) Abandoned Mine Land (AML) program. The research was published recently in the Journal of Environmental Management.

Areas - Techniques - Reclamation - Species - Diversity

"We found that the areas reclaimed using the new techniques, called geomorphic reclamation, had greater species diversity and improved plant community structure when compared with areas reclaimed using traditional practices," Hufford says. "There is strong evidence that geomorphic reclamation may be a better candidate than traditional reclamation to restore foundation species such as sagebrush in Wyoming."

Traditional reclamation techniques generally have created landscapes with uniform topography and linear slopes, sometimes resulting in problems with erosion, as well as less-than-desired revegetation. Geomorphic reclamation is a relatively novel approach intended to mimic the topography of nearby undisturbed lands, with a wide variety of terrain that is stable and less susceptible to erosion.

DEQ - AML - Division - Techniques - Uranium

DEQ's AML Division used both traditional and geomorphic techniques in reclaiming a former uranium mine in the Gas Hills of Fremont County and a former coal mine north of Rock Springs in Sweetwater County. The seeding of those sites was completed in 2007 and...
(Excerpt) Read more at: phys.org
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