Rehabilitating Gravel Areas with Short-Hair Sedge Sod Plugs and Fertilizer

摘要

Tests to rehabilitate gravel areas in high-value recreation sites were carried out by transplanting short-hair sedge (Carex exserta) plugs. The plugs were 1.9 cm (0.75 inch) and 5.1 cm (2.0 inches) in diameter, 10 cm (4.0 inches) deep, and were transplanted in September 1981, with and without papier-mache pots. The test site was Siberian outpost, in Sequoia National Park, California. Treatments were randomized in 40 quadrat pairs; one quadrat in each pair was fertilized. Results after 1 year showed that the most promising treatment was to transplant large-diameter sod plugs unpotted and unfertilized. Density of plants present in the gravel at the time of treatment was reduced by fertilization.