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森林是以乔木为主体的植物群落。它具有复杂的绿色植物和其他生物有机体,是由乔木、灌木、草本、藤本及苔藓、地衣等绿色植物共同组成的具有一定结构的群落。森林是人类的一个巨大自然资源,是陆地面积最大、分布最广、组成结构最复杂、物种资源最丰富的森林生态系统。森林是陆地生态系统的主体,是维持水、土、大气等生态环境的屏障,是经济社会发展不可替代的战略资源;森林以
The forest is a tree-dominated plant community. It has a complex of green plants and other biological organisms, is composed of trees, shrubs, herbs, vine and moss, lichens and other green plants together constitute a certain structure of the community. Forests are a huge natural resource of human beings, and they are the largest and most widely distributed forest ecosystems with the most complicated structures and the most abundant species resources. Forests are the main body of the terrestrial ecosystem, the barrier to maintain the ecological environment such as water, soil and atmosphere, and are irreplaceable strategic resources for economic and social development. The forests