森林是陆地生态系统的主体。森林的调节气候、保持水土、防风固沙、涵养水源等功能是众所周知的,“5.12”大地震后,从我们对龙门山地质断裂带的都江堰、绵阳、彭州等部分受灾地区的考察情况看,森林还发挥着抗震减灾的重要作 Forests are the mainstay of terrestrial ecosystems. It is well-known that such functions as regulating climate, preserving soil and water, preventing wind and sand, and conserving water source are all well-known. After the “5.12” earthquake, from the investigation of some affected areas such as Dujiangyan, Mianyang and Pengzhou in the Longmenshan geological fault zone The forest also plays an important role in earthquake disaster reduction