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中国沙漠 ›› 1993, Vol. 13 ›› Issue (3): 39-46.

• 论文 • 上一篇    下一篇

沙漠化地区农业生态系统功能的分析——以内蒙奈曼白音他拉乡为例

董玉祥   

  1. 中国科学院兰州沙漠研究所
  • 出版日期:1993-09-20 发布日期:1993-09-20

Study On Function Of Agro-Ecosystem In Desertified Area

Dong Yuxing   

  1. Institute of Desert Research, Academia Sinica, Lanzhou
  • Online:1993-09-20 Published:1993-09-20

摘要: 定量估算了白音他拉乡农业生态系统的能量流和物质流并作出了系统的能流和物流图,分析了该系统功能的基本特征通过对系统功能的分析探讨了系统内沙漠化的成因,并提出了完善和提高系统功能的途径措施。

关键词: 农业生态系统, 沙漠化, 能量流, 物质流

Abstract: The energy flow and the material flow of Baiyintala agro-ecosystem were analysed in 1986-1988. The energy flow chart and the material flow chart were drawn and the fundamental features of the function of agro-ecosystem were disvussed. At last, this paoer studied the cause of desrtfication of Baiyitala through the analysis of agro-ecosystem function and proposed the ways for improving and heightening the function of Baiyintala agro-ecosytem and gave the measures to combating desertification process.