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该文叙述了最近日本在阔叶林经营管理方面的趋势,其主要特点是:①阔叶林从萌生灌木林的经营转向商业性的锯材生产;②香蕈木段需求量不断增加;③生物量及能源生产的最新研究动态。一、阔叶林资源日本森林资源总蓄积约为27亿 m~3,其中阔叶林蓄积约为10亿 m~3,占总蓄积的40%。就林型而论,99%的阔叶林蓄积是天
This paper describes the recent trends in the management of broad-leaved forests in Japan. Its main features are: (1) the broad-leaved forests have shifted from the operation of sprouting shrubs to the commercial production of sawn timber; (2) the demand for fragrant mushrooms has been steadily increasing; (3) Recent developments in biomass and energy production. First, the broad-leaved forest resources Japan’s total forest reserve of about 2.7 billion m 3, of which about 1 billion m 3 hardwood forest, accounting for 40% of the total stock. In terms of forest type, 99% of the broad-leaved forest is a day of accumulation