Original Forest Community in Nanyue of Hunan ProvinceⅠ.Castanopsis eyeri Forest
To study the original forest community and biodiversity in Nanyue,investigations were carried out on Castanopsic eyeri forest,an original forest community.The results show that natural forest vegetation in Nanyue can be divided into 7 vegetation types and 21 formations.Castanopsis eyeri forest,one of the original forest communities in Nanyue and a community type noe reported,can be named. Association of Castanopsis eyeri-phyllostuchys nidnlaria+ Neolitsea aurata var. paraciculata-Lophatherum gracile + Cyperus rotundus.The floristic elements of genera in the community are mainly compossed of Pan-tropic and North Temperate,but those of species are mainly composed of Cathaysian,East Asia and East China-Central China.The wood plants constitutes the majority in the community which has 3 layers,ie,arbor,shrub and herb.Castnopsis eyeri forest still keeps the characteristics of evergreen board-leaved forest in the years of evolution,but its dominant species Castanopsis eyeri has been replaced by Neolistea nurata var. paraciculata and Listea elongata.The method of using comprehensive value (CVi) to confirm the action and importance of the regenerational species of commnity is put forward.
国家科技期刊平台
NSTL
万方数据
维普
