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生态学杂志 ›› 1983, Vol. ›› Issue (1): 23-25,41.

• 研究报告 • 上一篇    下一篇

北大荒开垦后生态环境的演变

陶炎   

  1. 中国科学院林业土壤研究所
  • 收稿日期:1982-09-11 出版日期:1983-01-10

THE EVOLUTION OF ECOLOGICAL ENVIRONMENT AFTER RECLAMATION IN THE GREAT NORTHERN WILDERNESS

Tao Yan   

  1. Institute of Forestry and Soil Science, Academia Sinica
  • Received:1982-09-11 Online:1983-01-10

关键词: 鱼池生态系统, 细菌, 能量流动, 微生物食物链

Abstract: With Beian County as a model, an investigation shows that daring the period of last 70 years, the increase of population and the activity of unchecked production changed the stable natural ecosystem of the Great Northern Wilderness and formed an extremely unstable ecosystem with farmland as the main component. From now on, a harmonious development of agriculture, forestry and animal husbandry must be made.

Key words: Fish pond ecosystem, Bacteria, Energy flowing, Microbial food chain