长江上游退化森林生态系统恢复与重建刍议

通过对国内外生态系统恢复与重建研究进展的综述,论述了我国长江上游森林生态系统退化的主要特征和森林生态系统退化的现状,分析了长江上游生态环境建设存在的主要问题,并提出相应对策。在此基础上,针对退化森林生态系统提出恢复和重建的基本思路和建议。

Suggestions on restoration and reconstruction of degraded forest ecosystem in the upper reaches of the Yangtze River

The major characteristics of degraded forest ecosystem in the upper reaches of the Yangtze River. Forest productivity notably descends, and biodiversity obviously reduces, even loses. In the Jia Lingjiang River, Tuojiang River and Fujiang River basin, plants grow slowly, storage capacity is less than to 15m\+3/hm\+2, forest is 30 years old or so,and biodiversity descends, the forest ecosystem type reduces and the quality falls, and some attached species degenerates even disappears.In forestland, the produ...