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一、调查背景林野厅(相当于林业总局—译者)自昭和46年(1971年)起,就以三年计划,开始施行“森林公益机能的计量化调查”(即绿化的效用调查)。如所周知,随着经济的高速度发展,环境问题也成了社会上关心的大事之一,因此,制定正确的环境政策已成为七十年代新的政治课题。在此社会形势之下,人们对森林的重要性有新的认识,把森林当作环境资源来重视已成为当前的趋势。不言而喻,森林既具有生产木材及其它林产品的经济机能,同时,也具有水源涵养、国土保安、保健疗养等的公益机能,所以对环境保护能发挥很大的作用。
First, the background of the investigation Forestry Office (equivalent to the State Forestry Administration - Translator) From 1971 (1971) onwards, with a three-year plan to begin the implementation of “measurement of public welfare functions of the forest” (that is, the effectiveness of green surveys ). As we all know, with the rapid economic development, environmental issues have also become one of the major social concerns. Therefore, formulating the right environmental policy has become a new political issue in the 1970s. In this social situation, people have a new understanding of the importance of forests. It has become the current trend to regard forests as environmental resources. It goes without saying that the forest not only has the economic function of producing wood and other forest products, but also has the commonweal function of water conservation, homeland security, health care and so on, and therefore plays a very significant role in environmental protection.