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1 持续林业经营的必要性林业从造林到采伐经过几十年,有的森林超过百年,因此林业是长期作业的产业。这样,森林最好在固定的经营管理方针的指导下连续作业。如果进行短期的、追求眼前利益的经营,在外部因素不良影响下,林业收益降低时,放弃森林作业将给森林发挥特有的公益作用带来极大的损害,甚至在国土保护上达到不可挽救的程度。1992年6月在巴西召开的国际环境开发会议通过的“森林原则声明”中,强调了可能实现的持续森林经营管理问题。日本以前的林业经营没有进行持续林业经营,近年来林业收益大幅度下降,给继承
1 The Need for Sustainable Forestry Management Forestry is a long-term industry after decades of afforestation and logging, and some forests have been in existence for more than a century. In this way, the best forest under the guidance of a fixed management guidelines for continuous operation. If the short-term, the pursuit of immediate interests of the business, under the adverse effects of external factors, reduce the benefits of forestry, give up the forest operations will give the forest a unique role in public welfare has brought great damage, and even irremediable land protection degree. In the Forest Principles Statement adopted by the International Environmental Development Conference held in Brazil in June 1992, the issue of sustainable forest management and management that may be realized is emphasized. In the past, forestry operations in Japan did not carry out continuous forestry operations. In recent years, the returns to forestry have dropped dramatically to give succession