森林不仅为人类提供了大量的木材资源,而且因其具有调节气候、涵养水源、保持水土、美化环境等多种功能,对维护人类生存发展的生态环境起着重要作用。目前,各国政府及国际非政府组织都十分重视森林可持续发展,纷纷采取 Forest not only provides human beings with a lot of wood resources, but also plays an important role in maintaining the ecological environment for the survival and development of mankind because of its various functions such as climate regulation, water conservation, soil and water conservation, landscaping and so on. At present, all governments and international non-governmental organizations attach great importance to the sustainable development of forests and have taken