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一、日本林业概况日本国土面积3725.9万公顷.森林面积约2526.3万公顷.占国土面积的68%,其中私有林1478.9万公顷.公有林253.7万公顷,国有林793.7万公顷;蓄积量约有22亿立方米(森林面积未包括齿舞、色丹、国后、择捉及竹岛的面积).日本的森林由于地形、气象条件以及社会公益的要求,对采伐等实行限制,在全部森林中,保安林占28%,天然公园占16%.为了充实森林资源和增加木材生产能力,进行投资的结果,人工林面积达937.7万公顷,占森林面积的37%.其中70%为20年生以下的幼龄.平均每公顷用材生产量达1.4立方米.在世界上也处于高水平.然而.国民人均的森林面积只有0.2公
First, the Japanese forestry overview Japan’s land area of 37,259 hectares of forest area of about 25,263,000 hectares, accounting for 68% of land area, of which 14,789,000 hectares of private forests, public-owned 2.573 million hectares, 7,937,000 hectares of state-owned forests; stock volume of about 22 100 million cubic meters (forest area does not include tooth dance, color Dan, after the country, choose to catch and Takeshima area.) Due to the topography, meteorological conditions and social welfare requirements, Japan’s logging and other restrictions, in all forests, 28% of the security forest and 16% of the natural park In order to enrich the forest resources and increase the production capacity of timber, as a result of the investment, the area of plantation reached 9.37 million hectares, accounting for 37% of the forest area, 70% of which are under 20 years old The average annual output of 1.4 cubic meters of timber per hectare is also at a high level in the world.However, the per capita forest area of the country is only 0.2 km