旅游干扰对白云山土壤和植被的影响

The Effects of Tourist Disturbance on Soil and Vegetation in Baiyun Mountain *

将调查区内的道路分成５ 级，根据道路状况确定旅游干扰强度，探讨旅游对白云山的土壤和植被的影响．结果表明；随着旅游干扰强度的增加，土壤容重、ｐＨ值呈递增趋势，土壤有机质、水分、ＴＮ、ＴＳ、ＴＰ和有效态磷的含量呈递减趋势；植物群落的种类组成趋向简单，覆盖度逐渐减少．旅游干扰对草本层和灌木层的影响表现明显，对乔木层的影响较小．

In this paper, the degree of tourist disturbance was determined by the road situation. The effects of tourist disturbance on vegetation and soil in Baiyun Mountain were studied deeply. The results showed that when the degree of tourist disturbance increase, the soil density and pH increase. At the same time, the populations of plants tend to be simple and the covering degree of vegetation decreases. The effects of tourist disturbance on grass and shrub are obvious, but on arbor, are not so obvious. The plant diversity of community increases by the middle degree of tourist disturbance.