【摘要】 福建武平帽布天然米储林火烧前后植物种类组成变化规律研究结果表明：火烧前有38科58属92种，火烧后为46科83属125种，增加了8科25属33种（其中3种乔木、7种灌木、8种草本和16种藤本），消退了2科5属5种（其中1种灌木、3种草本和1种藤本）．火烧前后属的成分都以泛热带和热带亚洲为主，但火烧后侵入属以世界分布和泛热带属为多．更多还原

【Abstract】 This paper studied the changes of species composition of the natural Castanopsis carlesii community which was clearcut and then burned in 1993, in Maobu forest farm, Wuping county, Fujian Province. The results showed that there are 92 species belonging to 38 families aug 52 gena before burned, and there are 125 species belonging to 46 families and 83 gena after burned. The community after bumed is added & exotic families, 25 exotic gena and 34 exotic species,including 3 species tree, 7 species shrub, 8 species herb and 16 species liana. Meanwhile, 3 original families, 5 original gena and 5 original species disappear, including 1 species tree, 3 species herb and 1 species liana. The floristics analysis indicated that the percentage of both the pan-tropical and tropical species were higher than that after burned, but there were sill some elements of cosmoplitan.更多还原