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世界林业大致经历了三个主要阶段:原始型林业;掠夺式开发型林业;消极保护和粗放经营林业。现在,则已进入森林多种目的的永续利用、集约经营型林业的新阶段。这一段的主要特点是:(一)把森林资源的多种目的永续利用作为林业经营的基本原则;(二)在发挥森林的经济效益的同时,重视森林的生态效益,将两者密切结合起来,由单一目的的利用,走向多种目的的利用,明确地把木材生产、保护国土和保护自然环境、利于保健娱乐作为林业经营的三大目的;
The world’s forestry has gone through roughly three main stages: pristine forestry; predatory forestry development; and passive protection and extensive management of forestry. Now, it has entered the sustainable use of the forest for many purposes, the new stage of intensive management of forestry. The main features of this paragraph are: (1) The sustainable use of multiple purposes of forest resources as the basic principle of forestry management; (2) While giving full play to the economic benefits of forests, we should attach importance to the ecological benefits of forests and closely integrate them The three purposes of forestry management are: timber production, land protection and the protection of the natural environment, as well as health care and entertainment, from a single purpose of utilization to a variety of purposes;