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cje ›› 1998, Vol. ›› Issue (6): 14-17,77.

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The Study on Comparing the Biodiversity of the Main Forest Types in South Province

Yang Xuejun1, Jiang Zhilin1, Dai Guoqin2, Jiang Rusheng2   

  1. 1. Najing Foresty Jiangsu University, 210037;
    2. Forest Station of Fiyang City, 213300
  • Received:1997-11-03 Revised:1998-01-07 Online:1998-12-10

Abstract: Based on the biodiversity investigation of the main forest types in south Jiangsu province,a comparatire analysis of biodiversity has been done among different forest types in tree layer,shrub layer and glass layer, respectively.A synthetic evaluation has been carried out.In the process,a new method, the weighted sum method of time-stability coefficient was put forword.

Key words: negative air ion, spatiotemporal distribution, urban, affecting factor.