The study of diversity in Shenweigou of Guandi Mountain,Shanxi province
2000
samples are divided into 23 groups by TWINSPAN (23 formations).DCA ordination diagram showed,the first axles,second axles and opposite angle of ordination plot reflect humidity,temperature and elevation of environment gradients of plant communities.Distribution pattern of samples on DCA ordination map showed,litters,depth of soft soil and elevation are positively correlated with each other.Species biodiversity for each index of different elevation illustrated that:community diversity and evenness index decreased with elevation increase.Species richness didnt change significantly.
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