Biodiversity Science ›› 1994, Vol. 02 ›› Issue (3): 173-176.doi: 10.17520/biods.1994029

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A study on the ordination of forest nature reserves in Jiangxi province

Liu Renlin   

  1. Administration office of Jingang Mountain Nature Reserve,Jiangxi.343600
  • Received:1994-01-17 Online:1994-08-20

Using the method of principal component analysis(PCA), the relationship between the natural attributes offorest nature reserves and the geographical conditions in Jiangxi was studied in order to find out some reliablenatural attributes which can be used to forecast reasonable places forest protected areas. Based on the resultsof the analysis of ordianation, the distributions of five forest nature reserves established in Jiangxi were alsodiscussed. The conclusion shows that the information content of the first three principal components is 87.73%, a good effect of decline dimension. By analysing the different sum of loadings of natural attributes onthe first three principal components and the dispersion of natural attributes, 12 natural attributes have beendefined reasonable for evaluation or forecast of nature reserves. All these indicate that the method of PCAcan be used to program nature reserves.

Key words: transgenic crops, plant-associated microorganisms in soil, non target effect, GMO bio-safety

[1] WANG Hong-Xing, CHEN Xin, TANG Jian-Jun, SHIMIZU Katsuyoshi. Influence of released transgenic pest and disease resistant crops on plant associated microorganisms in soil [J]. Biodiv Sci, 2002, 10(2): 232-237.
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