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ABSTRACT:
Goal of project: Identify the need to control crested wheatgrass through a natural experiment to assess soil, plant and animal community differences between cultivated & seeded CWG stands, with native prairie and prairie invaded by CWG. Determine the mechanisms by which CWG invades native prairie through investigations into dispersal ability, and experiments designed to determine seed viability in the environment over time, and seedbed requirements at multiple scales. Finally, gradient analyses and a control experiment will be used to determine which native species can compete effectively with CWG and which control methods are economically and ecologically most efficient. Synthesis of these results will produce a conceptual model of CWG invasion and impacts, a spatial model of landscape susceptibility to invasion, and recommendations for range managers and reclamation/restoration practitioners for preventing invasion, and eradicating CWG from already invaded areas.
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STATISTICS
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