封山育林的生态经济作用  

Ecological and Economic Significances of Closed Forest

作　　者：王永安[1] 

机构地区：[1]国家林业局中南规划院,长沙410014

出　　处：《世界林业研究》2000年第3期19-25,共7页World Forestry Research

摘　　要：从生态系统和森林关系出发论述封山育林能形成混交林 ,顺应植物群落正向演替 ,充分利用光能提高生物产量 ,充分利用土壤水分养分 ,提高生长量 ,形成多资源群体的生态功能、环境效应和经济效益。From the viewpoint of the relationship between the ecosystem and forest, this article expounds that the closed forest can form multi layer mixed forest, which conform to the plant community positive succession in order to make full use of the light energy to increase biomass, make full use of water and nutritions substances in the soil to increase incrment, and obtains the ecological functions, environmental effects and economic benefits of the multi resource colony.

关 键 词：封高山育林 经济效益 生态效益 森林植被恢复 

分 类 号：F326.2[经济管理—产业经济]