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The increasing demand in recent years for outdoor recreation
has resulted in human disturbance and degradation to the
natural resources of alpine recreation area in Taiwan. This
study was conducted to investigate the pattern and effect of
the impact by visitors'' activities on the alpine vegetation of
Yushan Park located in central Taiwan, and to explore how it
realates to environmental factors. Also the resistance of
various habitat to trampling and the relationship between soil
hardness and of tramples were examined by simulation
experiments. The aim is find out the nature of the impact on
alpine recreation resources. addition to cover reduction (CR),
floristic dissimilarity (FD), reduction (HR) of the indicator
plant, Yushania niitakayamensis, represents the vegetational
change,the increase of soil hardness was added as an indicator
for soil impact. The results of field analysis revealed the
following conclusions: 1.The most obvious effects of which the
vegetation and soil from recreational activities are the
impacts of trampling. These impacts affected the environment
of campsite and trails, the increase of soil hardness, the
extention of camping area and the width of trails, loss of
ground cover, reduction of plant change of species composition,
invasion of exotic plants, and exposure etc. 2.The campsites at
Patungkuan grassland can be divided into three tinct zones of
impact--(1)the seriously impact zone, (2)intersite zone, and
(3)buffer zone. Each zone has different type and extent of
impact.
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