ISSUES CONCERNING THE MANAGEMENT AND THE DEVELOPMENT OF ARID AND SEMIARID LAND IN CHINA  

作　　者：Wang Jiuwen Institute of Desert Control, Inner Mongolia Forestry College, Hohhot 010019 

出　　处：《干旱区资源与环境》1993年第Z1期406-411,共6页Journal of Arid Land Resources and Environment

摘　　要：The arid and semiarid land in China covers a vast area, about 3.5 million km^2(not coun-ting the Tibet Plateau),where natural resources are very aboundant. In this area, the totalsolar radiation is as high as 140--160 kilocalorie / cm^2. a. There are about 167 million ha ofvarious grasslands, accounting for nearly 60% of the national grassland area.

关 键 词：ARID and SEMIARID LAND Environmental MANAGEMENT RESOURCES Development 

分 类 号：S423，X2[农业科学—植物保护]