摘要
我国三北、长江中上游、沿海、平原农田四大防护林体系布局宏伟、举世瞩目,已取得了显著的生态、经济和社会效益。90年代我国防护林体系将加快实施、全面推进,预计造林约2000万ha,到本世纪末,我国防护林面积将占全部森林面积的30%以上,林种结构得到合理调整,对国民经济建设将起着越来越重要的作用。
Four main protection forest systems, which are Northeast, Northwest and North China shelter-forest system, middle and lower reaches of Changjiang river shelter-forest system, coastal area shelter-forest system and plain farmland shelter-belt, have made notable benefits of ecology, economy and society. China's protection forest system will be sped up implementation in 1990s, and protection forest area will be 30% in total forest area and forest composition will be rationally readjusted, and protection forest will play more and more important role in the construction of na- tional economy.
出处
《生态经济》
1992年第6期34-37,共4页
Ecological Economy
关键词
防护林体系
长江中上游
林业
Protection forest system Middle and lower reaches of Changjiang river, Plain forestation