Vegetal change in the absence of livestock grazing, mountain brush zone, Utah
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Authors: D. D. Austin, P. J. Urness, and R. A. Riggs
Date: 1986
Journal: Journal of Range Management
Volume: 39
Number: 6
Pages: 514-517
Summary of Methods: Vegetal differences were compared in two adjacent canyons, one which had not been grazed since 1905, and the other which was heavily grazed through the 1930's, after which, grazing gradually decreased until 1957, when it was removed. Since 1935, in Red Butte Canyon, where livestock grazing had been excluded since 1905, vegetal changes were small, compared with those of Emigration Canyon, where heavy grazing continued into the 1930's, but was gradually phased out and discontinued in 1957. Large differences in vegetal cover between the 2 canyons reported in 1935 were mostly eliminated by 1983.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Refereed
Article Type: Experimental Research
Keywords: grazing removal, vegetal change, livestock grazing, mountain brush zone
Annotation: Authors selected two canyons for this study: Emigration canyon being grazed by livestock until 1957 and Red Butte ungrazed since 1905. Livestock grazing in Red Butte Canyon was reduced due to erosion problems and eliminated by 1905 with no livestock grazing permitted since then. Emigration Canyon, prior to 1935, livestock grazing was heavy. From 1935-56, Emigration Canyon was lightly grazed with a band of about 1,000 sheep in spring and fall. From 1957-1983, livestock grazing was not allowed.
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