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生态学杂志 ›› 1999, Vol. ›› Issue (2): 43-49.

• 研究报告 • 上一篇    下一篇

湿地生态系统生态特征变化及其可持续性问题

崔保山   

  1. 中国科学院长春地理研究所, 130021
  • 收稿日期:1998-07-31 修回日期:1998-08-31 出版日期:1999-04-10

A Study on Changes of Ecological Characters and Sustainability of Wetland Ecosystem

Cui Baoshan   

  1. Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021
  • Received:1998-07-31 Revised:1998-08-31 Online:1999-04-10

关键词: 黄瓜, 耐冷性, 主成分分析, 逐步回归

Abstract: The paper presents all kinds of changes of ecological character and reasons in wetland ecosystem, including changes in wetland area, water condition and quality, unsustainable exploitation of wetland products and introduction of alien species. The index of ecosystem sustainability were shown and measured. The paper also analyses the relationship between sustainability and ecosystem management and ecological restoration.

Key words: cucumber, chilling tolerance, principal component analysis, stepwise regression.