福建武平米槠林区系和物种多样性的研究

Floral Composition and Species Diversity in Castanopsis carlesii Community in Wuping,Fujian

１９９３年２月对福建武平米槠林火烧前群落生态现状进行系统调查并对该群落区系和物种多样性进行分析．该群落共有维管束植物３９科、５８属、９５种；其中灌木层在各层次中占首位，为２５科、３８属、７０种．各层次区系均以泛热带和热带亚洲成分较高．种的分布型分析表明各层次均与华南地区关系较密切的特点．物种多样性指数（Ｓｈａｎｎｏｎ－Ｗｉｅｎｅｒ）以灌木层最高，为４．９４８．

The floral composition and species diversity in Castanopsis carlesii community were analysed based on the data investigated in Wuping,Fujian,in February 1993.There existed 95 species in the community,which falled into 58 genera and 39 families.The shrub layer represented the greatest abundance,having 70 spedes belonging to 38 genera and 25 families.Analysis on flora composition showed that Pantropic and with South China vegetation area.The Shannon-Wiener diversity index of shrub layer was 4.948,ranking first in the community.