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发达的林业是国家富足,民族繁荣,社会文明的标志之一,这对森林的社会经济效益可谓恰如其分的评价。当今世界面临着人口暴炸,粮食短缺、资源枯竭、能源危机、环境恶化等五大难题,人们统称之为生态灾难。森林的破坏,是造成这种生态灾难的重要原因之一。为了保护森林、发展林业,许多林业专家把注意力转向对森林的多种效益研究上来,苏联、美国、日本等国已取得很大的进展。日本林野厅从1971年开始,用了三年时间,提出了
Well-developed forestry is one of the hallmarks of a country that is affluent, prosperous and socially civilized. This assessment of the social and economic benefits of forests can be properly appraised. Today’s world is facing five major problems such as population explosion, food shortage, depletion of resources, energy crisis and environmental degradation. People collectively call it an ecological disaster. The destruction of forests is one of the important causes of this ecological disaster. In order to protect forests and develop forestry, many forestry experts have turned their attention to the study of various benefits of forests. Great progress has been made in the Soviet Union, the United States and Japan. Japan’s Forestry Department since 1971, spent three years, put forward