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日本约有森林面积二千二百五十六万公顷,蓄积量二十一亿多立方米,年生长量七千六百五十万立方米,年采伐量四千五百万立方米,森林覆被率为百分之六十八,称为“绿色之国”。日本的森林经营有以下措施。一、有明确的经营方针和目的。第二次世界大战期间及战后的一个时期,日本的森林遭到了严重的破坏,林地面积减少了百分之六十,蓄积量减少了百分之九十。自1951年起,日本把绿化造林看作是国土复兴的象征。为发挥森林的防护效益,他们将一半以下的林地划为限制林(防护林等)经营。一九八○年日本内阁会议批准了《关于森林资源基本建
Japan has about 22.56 million hectares of forest area, 2.1 billion cubic meters of accumulated volume, an annual growth of 76.5 million cubic meters and an annual harvest of 45 million cubic meters. The forest Coverage rate of 68%, known as the “green country.” Japan’s forest management has the following measures. First, there is a clear management policy and purpose. During the period of World War II and the post-war period, Japan’s forests were severely damaged, the area of woodland reduced by 60% and the stock volume reduced by 90%. Since 1951, Japan has regarded afforestation as a symbol of national rejuvenation. To play a protective role in forests, they classify less than half of the forestland as restricted forest (shelterbelts, etc.). In 1980 Japan’s cabinet meeting approved the “Basic Construction of Forest Resources.”