An overview of the “Three-North” Shelterbelt project in China

The "Three-North" Shelterbelt is the largest and most distinctive artificial ecological engineering project in China.It has been conducted since November 25,1978 in the "Three-North" (i.e.,Northeast China,North China and Northwest China) regions.In this study,the background and the essential benefits of the "Three-North" Shelterbelt project are summarized.The basic status and future development of the "Three-North" Shelterbelt project are also studied.As well,we tried to discuss the problems existing in the current shelterbelt system and the strategies to conduct this ecological project rationally.