Natural Regeneration of Alpine Tundra Vegetation after Human Trampling: a 42-year Data Set from Rocky Mountain National Park, Colorado, U.S.A
作者： Beatrice E. Willard , David J. Cooper , Bruce C. Forbes
DOI: 10.1657/1523-0430(2007)39[177:NROATV]2.0.CO;2
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摘要: ABSTRACT The vegetation composition of four contiguous permanent plots was analyzed during 37 42 years between 1959 and 2001 to evaluate successional processes following the cessation human trampling in alpine tundra. were established adjacent Rock Cut parking lot at ~3658 m elevation along Trail Ridge Road Rocky Mountain National Park, Colorado. Due limitations original study design, lack true replication required that be treated individually when subject indirect ordination analysis follow trends overall plant cover. three most abundant species Artemisia scopulorum, Acomastylis rossii, Kobresia myosuroides. At beginning 1959, total cover ranged from 20 55% plots. By 1961, achieved canopy values least 100%. Vascular richness (number taxa per plot) averaged but by 1967 had nearly doubled 37...
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