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为解决木材供需矛盾,当前世界上工业人工林经营中出现了三个大转移和一个发展趋向。这三大转移是:1)木材生产基地布局出寒温带向热带和亚热带转移;2)由利用天然针阔叶混交林向经营针叶林转移;3)由传统的开发型利用向经营工业人工林转移。所谓工业人工林是指综合采用近代林业科技成就,以种植遗传改良过的材料为基础,通过集约经营,为一定工业提供原料的
In order to solve the contradiction between supply and demand of timber, there are three major transitions and one development trend in the management of industrial plantations in the world at present. The three major shifts are: 1) shifting the cold temperate zone from the timber production base to tropical and subtropical zones; 2) shifting from the use of natural coniferous and broad-leaved mixed forests to the management of coniferous forests; 3) from the traditional exploited utilization to the management of industrial Lin transfer. The so-called industrial plantation refers to the comprehensive use of modern forestry scientific and technological achievements, to plant genetic improvement of materials as the basis, through intensive management, to provide raw materials for certain industries