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天然次生林,在我国分布最广,约占全国森林面积的60%左右。它具有比原始林区较为优越的社会经济条件和比荒山荒地更为良好的自然环境,这是培育用材林和发展经济林最理想的基地。目前,我国天然次生林的林相不好、林木稀疏、产量低、经济价值不高,为了彻底改变它的面貌,加速实现次生林的速生丰产化,林业部最近在甘肃省天水地区召开了北方十四省(区)市天然次产林经营工作会议。会上总结交流了经验。兹选登一部份会议资料,以供各地经营次生林的参考。
Natural secondary forests, the most widely distributed in China, accounting for about 60% of the national forest area. It has superior social and economic conditions than the original forest area and a more favorable natural environment than the barren hills and wilderness, which is the best base for nurturing timber and developing economic forest. At present, the natural secondary forest in our country has poor forest, sparse forest, low output and low economic value. In order to completely change its appearance and accelerate the fast-growing and high-yielding of the secondary forest, the Ministry of Forestry recently held fourteen provinces in the north of Tianshui in Gansu Province, (Autonomous regions and municipalities natural secondary forest management meeting. The meeting summed up the exchange of experience. It is hereby voted on a part of the conference materials for the reference of the management of secondary forests in various places.