地理科学 ›› 1987, Vol. 7 ›› Issue (3): 207-217,295.doi: 10.13249/j.cnki.sgs.1987.03.207

• 论文 • 上一篇    下一篇

广东省农业生态系统地域结构的数值分类

罗曼嘉   

  1. 华南农业大学 广州
  • 出版日期:1987-05-20 发布日期:1987-05-20

NUMERCIAL CLASSIFICATION OF REGIONAL STRUCTURE OF AGRC-ECOSYSTEM IN GUANGDONG

Luo Manjia   

  1. South China Agriculture University, Guangzhou
  • Online:1987-05-20 Published:1987-05-20

摘要: 本文采用点群分析方法,以《广东省一九八一年统计资料》为基础,选取了14个初始指标,将广东省107个县、市郊区做为分类单位,在计算机上作出广东省农业生态系统分类谱系。结果表明广东省农业生态系统的地域结构特点,大致呈以广州市为中心的同心结构.

Abstract: On the basis of"The Statistical Data of Guangdong Province in 1981", and selected 14 original variables,107 counties and suburbs in Guangdong Province of China are classified.In the classification,cluster analysis is applied,and the cluster hierarchy of the agro-ecosystem is achieved with a computer. One of the characteristics of agro-ecosystem is obvious regionalism.Therefore,it is necessary to research its regional structure in the study of macrosystem.According to the output level,the plant structure and the input level of energy,there is an evident regionalism in the agro-ecosystem of Guangdong Province,which presents approximately concentric circles where centre is Guangzhou city.