厦门同安区金光湖常绿阔叶林的区系特征

Phyto-geographical Characteristics of the Evergreen Broad-leaved Forest in Jinguanghu in Tong'an, Xiamen

金光湖植被主要是以木荷、红楠、米槠、青冈等种类为建群种或优势种的次生常绿阔叶林.其种类组成特点说明该地区植被在垂直结构上处于由南亚热带季雨林带向山地常绿阔叶林过渡的分界线上,与邻近地区植物区系在群落结构和组成特征方面的比较结果也说明金光湖植被具有由南亚热带雨林向中亚热带常绿阔叶林过渡的性质,区系比较结果表明金光湖植物区系与相邻地区的植物区系联系密切,且这种联系以热带、亚热带成分为主,具有明显的南亚热带性特点.

The evergreen broadleaved forest in Jinguanghu is the largest and best secondly natural vegetation in Xiamen Economic Special Zone. Schima superba, Machilus thunbergii, Castanopsis carlesii, Cyclobalanopsis glauca etc. are its dominant species. Analyses of the community compositions and comparison of community structure and composition with some neighborhood plant communities indicate that Jinguanghu forest is a transitional type from southsubtropical rain forest to midsubtropical evergreen broadleaved forest. Comparative studies of plant flora demonstrate that Jinguanghu flora bear close relationships with its neighbors, and these relationships affirm its transitional and subtropical characteristics correspondingly. 