Subalpine forests in Western Sichuan are an important part of water conservation forests in Southwestern China. 川西亚高山森林是我国西南亚高山水源涵养林的重要组成部分。
How to restore the vegetation of subalpine coniferous forest in eastern Qinghai-Tibet Plateau, and change the trend of ecological deterioration is a very important issue. 在青藏高原东部的亚高山针叶林区，如何尽快恢复这一生态脆弱地区的植被，改变生态环境恶化的趋势，是一个十分重要的课题。
