天然林保护工程的全面实施是国家对生态环境保护的一项重大举措 ,对林业实现可持续发展将产生重大而深远的影响。尽管国家启动“天保”工程 ,大幅度地调减了森工木材产量 (从 1 997年的 6 70万 m3减少到 2 0 0 1年的 449万 m3) ,但从黑龙江省森工系统工业总产值的构成看 ,木材 The full implementation of the natural forest protection project is a major measure for the state to protect the ecological environment and will have a significant and far-reaching impact on the sustainable development of forestry. Although the state started the “Natural Forest Protection” project and substantially reduced the output of forestry workers’ lumber (from 6.7 million m3 in 1997 to 4.49 million m3 in 2001), from the total industrial output of forestry workers in Heilongjiang Province The composition of output value, timber