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Native Species Establishment On An Oil Drill Pad Site In The Uintah Mountains, Utah: Effects Of Introduced Grass Density And Fertilizer, United States Department Of Agriculture, Forest Service
Native Species Establishment On An Oil Drill Pad Site In The Uintah Mountains, Utah: Effects Of Introduced Grass Density And Fertilizer, United States Department Of Agriculture, Forest Service
Habitat Ecology
This study examined the effects of introduced grass seeding density and fertilizer on native species establishment on an oil drill pad site in the Uintah Mountains, UT. Differences in first-year seedling density and 3-year standing crop biomass among treatments were evaluated for seeded introduced grasses and native species and for unseeded colonizers. Aerial cover was measured all 3 years and the effects of fertilization on soil NO3-N, available P, and exchangeable K were examined 2 years after application. Recommendations for reclamation of similar sites are given.
Revegetation By Land Imprinter And Rangeland Drill, United States Department Of Agriculture, Forest Service
Revegetation By Land Imprinter And Rangeland Drill, United States Department Of Agriculture, Forest Service
Wildfires
The land imprinter and rangeland drill were compared for revegetation of a wildfire burn in the Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis) vegetation type. Seeding trials were conducted on strips 152 m wide and 1.6 km long. Seeded species were fairway wheatgrass (Agropyron cristatum), luna pubescent wheatgrass (A. trichophorum), Russian wildrye (Elymus junceus), and Ladak alfalfa (Medicago sativa). Severe wind erosion on the study area occurred the first spring. Total seeded plant densities and cover were significantly higher with the imprinting treatment. Production of seeded plants was higher on the imprinted areas the first 2 years; thereafter, compensatory growth …