生物多样性 ›› 1994, Vol. 02 ›› Issue (3): 173-176.  DOI: 10.17520/biods.1994029

• 论文 • 上一篇    下一篇

江西省自然保护区的排序研究

刘仁林   

  1. (江西省井冈山自然保护区，343600)
  • 收稿日期:1994-01-17 出版日期:1994-08-20 发布日期:1994-08-20

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 Published:1994-08-20

PDF (PC)

2199

摘要：

本文运用主分量分析的方法，分析了江西森林自然保护区的自然属性的地理分布规律，旨在从中找到一组可靠的自然属性，以此预测建立森林自然保护区的合适之地，并对已建立的5个省级自然保护区进行分布合理性评价。研究表明：前三维主分量的信息量占总信息量的87．73％，降维效果良好。通过对不同自然属性在前三维主分量上的负荷量以及它们之间的离散性分析，确定了12个自然属性是评价和预测自然保护区的有效因子。从而证明 PCA 在自然保护区的规划和研究中具有良好的适应性。

关键词: 转基因作物, 土壤生物群落, 非靶标效应, 转基因生物安全

Abstract

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

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