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PLANT SPECIES DIVERSITY OF SHENWEIGOU IN GUANDI MOUNTAINS (SHANXI, CHINA) I. RICHNESS, EVENNESS AND DIVERSITY INDEXES

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Author:
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Journal Title:
CHINESE JOURNAL OF APPLIED & ENVIRONMENTAL BIOLOGY
Issue:
5
DOI:
No doi available
Key Word:
关帝山神尾沟;植物物种多样性;丰富度指数;均匀度指数;多样性指数;Shenweigou in Guandi Mountains;plant species diversit y;richness;evenness and diversity index

Abstract: Based on the data form 89 plots, the plant species diversity in She nweigou in the Guandi Mountains, Shanxi were studied by using 8 diversity indice s. The results indicated: (1) The diversity and evenness declined, and the rich ness descended from 1 700 to 2 400 m, but rose from 2 400 to 2 700 m when the al titude rose. (2) The diversity, richness and evenness of tree layer and bush lay er descended when altitude rose, however, the diversity and evenness of grasses rose from 1 700 m to 1 900 m with rise of altitude, and the richness rose from 1 900 m to 2 700 m. (3) The diversity and the richness of grasses layer>that of bush layer>that of trees layer, and there was no significant difference in the e venness among them. (4) The diversity and richness on sunny slopes>that on shado w slope, and there was no significant difference in evenness indices. Fig 6, Ref 7

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