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针对当前我省木材市场供应紧张的现状,发展利用采伐剩余物生产工艺木片是一项解决木材紧张的重要措施。一、木材资源紧张,供需矛盾突出。1984年与50年代相比:我省森林复盖率由12. 4%增长到23. 5%,森林蓄积量由5042万立方米增长到10708万立方米,都已提高一倍左右。但由于林木生长周期长,中幼林的比例大,成熟林面积由占总面积的60%下降到20%。在成熟林中杉木由6. 5%下降到2. 2%,
In response to the current shortage of lumber market in our province, the development of the use of cutting residue production process of wood chips is an important measure to solve the timber tension. First, timber resources are tight, and the contradiction between supply and demand is outstanding. Compared with the 1950s, the coverage rate of forests in our province increased from 12.4% to 23.5% in 1984 and that of forest reserves increased from 50.42 million cubic meters to 107.88 million cubic meters, both of which have doubled. However, due to the long forest growth cycle, the proportion of young and middle-aged forest is large, and the mature forest area is reduced from 60% to 20% of the total area. In mature forests, Chinese fir decreased from 6.5% to 2.2%