林业是人类从事体力和智力劳动,改变森林生物及其产品的物质状态,以满足人的物质与精神生活的需要以及保护人类生存环境的一种社会产业。从这个完整的社会功能来考虑,林业活动应以森林的培育和保护为基础,分出木材生产及其利用,非木材林产 Forestry is a kind of social industry in which human beings are engaged in physical and mental work to change the material state of forest organisms and their products in order to meet the needs of human material and spiritual life and to protect the living environment of human beings. Considered from this complete social function, forestry activities should be based on the cultivation and protection of forests, and separate out the production and utilization of timber. Non-timber forest products