当前,林业问题己成为全球生态环境的核心问题,林业是生态与经济协调发展的关键,保护和发展林业己成为缓解生态环境危机和实现生态、社会与经济协调发展的根本措施之一。森林作为地球生态系统的主体,在维护自然生态平衡中起着决定性的作用。森林能够使风速、风力大大下降,在防风固沙中起着重要的作用。 At present, the forestry issue has become the core issue of the global ecological environment. Forestry is the key to the coordinated development between ecology and economy. To protect and develop forestry has become one of the fundamental measures to ease the crisis of ecological environment and realize the coordinated development of ecology, society and economy. As the main body of the Earth’s ecosystem, the forest plays a decisive role in maintaining the natural ecological balance. The forest can make the wind speed and the wind drop greatly, which play an important role in windbreak and sand fixation.