Impacts of tourism on vegetation play an important role in recreation ecology studies. Huangshang Mountain is a famous scenic area in China. It is inevitable for tourism development over long period of time to bring negative influence on environment. In order to understand the effects of tourism disturbance on vegetation in Huangshang Mountain scenic area, field survey was made in main routes and areas of Huangshang Mountain. The effects under different intensities of tourism disturbance on the height of plant, the cover of vegetation, the species diversity and species composition in herb layer was analyzed by followed indicators: the average height of plants, the average cover of vegetation, the average number of species, species richness index (Margalef index) D, species diversity index (Shannon-Wiener index )H’ and importance value . The conclusions are as follows: Tourism disturbance bring an obvious impact to the plant height in herb layer. The plant height decreased evidently at the trailside where there is the largest disturbance. The plants are about the same height in other further sites. The impact of tourism on vegetation cover is not great. With the increase of disturbance, there is a little rise in vegetation cover, but the change is not evident. The disturbance raises the diversity of species. There is the highest amount of plant species in the edge of trails, but the highest values of Margalef index and Shannon-Wiener index occurred in 5m away from the trails. There is a variation in species composition of community under various intensities of tourism disturbance. With the increase of tourism disturbance, the number of plant species that are more tolerant to trampling increased and the proportions of anthropochory species show the same trend. The effects of tourism disturbance are not the same in three districts in Huangshang Mountain scenic area. The different effects can attribute to the difference of environmental condition and the intensity of tourism disturbance in three districts, although the difference in effects of tourism disturbance is not evident. The spatial extent of tourism influence is about in 10m away from the trail in Huangshang Mountain scenic area.
GONG Jie, LU lin, JIN Xiu-long, NAN wei, XING Hui-min
. Effects on herb layer in plant community of tourism disturbance in Huangshan Mountain scenic area[J]. SCIENTIA GEOGRAPHICA SINICA, 2009
, 29(4)
: 607
-613
.
DOI: 10.13249/j.cnki.sgs.2009.04.607
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