建设好“三北防护林”体系工程,是改变大西北自然面貌之根本  

FOUNDATIONS FOR CHANGING NATURAL ENVIRONMENT IN NORTHWEST CHINA

作　　者：高庆有 赵一宇[2] 

机构地区：[1]林业部造林经营司 [2]宁夏农学院

出　　处：《农业科学研究》1991年第1期1-7,80,共8页Journal of Agricultural Sciences

摘　　要：开发大西北,亟待解决环境问题。本文对此作了历史回顾,进而阐述了改变大西北自然面貌的科学依据,最后对建设好西北地区“三北”防护林体系宏大工程的战略目标、重点、布局及其效益进行了估测,资料翔实,有一定参考意义。In order to exploit the north-western area, we must resolve the problem of natural environment.In this paper,the authors made a review of the history abont it, expounded the scientific basis for changing the north-western natural environment; formed an estimate of the strategic aim, the key items, the overall arrangement and the benefits to construct Sanbei' shelter belts in the north-western area of China.

关 键 词：国土整治 防护林体系 生态环境 

分 类 号：S[农业科学]