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Glen Canyon National Recreation Area

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This research was initiated in November, 1988, to evaluate plant communities developing along the shoreline of Glen Canyon National Recreation Area in northern Arizona and southern Utah. One goal of this research is to determine the species composition of these communities and their distribution on representative substrate types throughout the recreation area. Secondly, the interactions of native and exotic plant species present in the recreation area will be evaluated experimentally, to determine the feasibility of establishing populations of native species in these plant communities which, currently, are largely comprised of the exotic riparian tree species tamarisk, Tamarix ramosissima.