国有林区森林工业企业经过三十多年的过量采伐,大部分企业出现资源危机和经济危困的被动局面.据有关调查资料介绍,黑龙江省可采森林资源比帐面少30-40%;40个林业局中已有8个局资源枯竭,22个局只能维持一年左右.全国131个林业局已有61个采伐过量,其中25个局的可采资源已经枯竭.照此下去,列本世纪末,导致全国性森林生态系统的破坏,下世纪初将基本无林可采,无材可供. According to relevant survey data, the recoverable forest resources in Heilongjiang Province are 30-40% less than the book accounts. After more than 30 years of over-harvesting, the majority of enterprises in the state-owned forest area have a passive situation of resource crisis and economic crisis. Of the 40 forestry bureaus, 8 have been depleted of resources and 22 have only been able to maintain their capacity for about a year. Of the 131 forestry bureaus in the country, 61 have been over-exploited, of which 25 have recoverable resources depleted. As such, At the end of this century, it led to the destruction of the nation’s forest ecosystems. At the beginning of the next century, there will be basically no forest to reclaim and no material is available.