【摘要】 <正>于1987年6月15日,我们奔赴大兴安岭过火林区进行了为期1个月的野外考察,除进行了几十块不同森林类型标准地调查、植物群落样方调查和土壤剖面记载外,在沿途还对森林的火烧程度进行了数百个样点的目测调查。对林地可燃物数量、森林次生虫害、林木结实状况及死地被物中林木种子贮量等也都做了专门的样地调查,采取、分析了大量样品。本文依据野外考察资料,试就这次特大森林火灾对生态环境可能造成的影响加以探讨。更多还原

【Abstract】 A survey was made after an extra-ordinarily disastrous fire in nortnern Great Xingan Mountains in the spring of 1987. The natural conditions, features of forest resources and losses in the fire were reported. The ecological consequences of the fire, such as xerophilization of vegetations. on southfacing steep slopes, expansion of bogs in low lands, increase in soil erosion and flooding and the prospectives of forest regeneration were all estimated.更多还原