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本文对四川省都江堰市青城山境内的穗花杉群落进行了初步研究,首次揭示了穗花杉群落和种群的基本特征.穗花杉种群具明显的增长型特征,处于良好的发育状态,其空间分布格局为集群型,其生态习性为显著的耐阴性和岩生性.穗花杉植物群落植物区系成分表现为古老性、残遗性和特有性的有机融合,群落内有维管束植物111种.其中热带区系成分占优势.生活型话以常绿高位芽植物为主.而其中又以常绿小高位芽和常绿中高位芽植物占优势.群落中植物叶的性质亦与常绿阔叶林相似。由于常绿针叶植物穗花村在群落中居优势地位,因此作者认为该群落是亚热带常绿阔叶林中的一类特殊群落类型。
In this paper, a preliminary study on Pinus koraiensis community in Qingcheng Mountain, Dujiangyan City, Sichuan Province revealed the basic characteristics of Pinus firmatia community and population for the first time. The Pinus thunbergii population has obvious growth characteristics, is in a good state of development, its spatial distribution pattern is cluster type, and its ecological habits are marked negative tolerance and lithology. The flora of Fragrant cinnamomum plant community showed the organic integration of ancient, remnant and endemic, with 111 vascular plants in the community. The tropical fauna is dominant. Life-type words to the evergreen high bud plants. Among them, the evergreen small high buds and evergreen high bud plants predominate. The nature of plant leaves in the community is also similar to the evergreen broad-leaved forest. Because the evergreen needle-leaved plant Suihua Village occupies the dominant position in the community, the author believes that the community is a special type of community in the subtropical evergreen broad-leaved forest.