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Experimental trampling of vegetation. I.
Relationship between trampling intensity and vegetation response
Cole, David N. 1995. Experimental trampling of vegetation. I. Relationship between trampling intensity and vegetation response. Journal of applied ecology. 32(1): 203-214.
1. Experimental trampling was conducted in 18 vegetation types in five separate mountain regions in the United States. Each type was trampled 0-500 times. Response to trampling was assessed by determining vegetation cover 2 weeks after trampling and 1 year after trampling.
2. Response varied significantly with trampling intensity and vegetation type. Trampling intensity and vegetation type explained more of the variation in vegetation cover 2 weeks after trampling than they did 1 year after trampling.
3. For most vegetation types, the relationship between vegetation cover after trampling and trampling intensity was best approximated by a second order polynomial of the form Y = A - BX + CX2. The relationship was linear in a few vegetation types.
4. The curvilinearity of the relationship between trampling intensity and surviving vegetation cover decreased with increases in resistance, tolerance and species diversity of the vegetation type.
Keywords: recreation impact, regression analysis, vegetation impact
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Publications: Experimental trampling of vegetation. I. Relationship
between trampling intensity and vegetation response
Electronic Publish Date: August 16, 2007
Last Update: August
16, 2007