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当前位置: 首页 > 文章 > 滇西北光叶珙桐群落特征及种群更新研究 西部林业科学 2014 (6) 109-115
Position: Home > Articles > Study on Characteristics of Community Structure and Species Regeneration of Davidia involucrata var. vilmoriniana in Northwest of Yunnan Province Journal of West China Forestry Science 2014 (6) 109-115

滇西北光叶珙桐群落特征及种群更新研究

作  者：
周丹;石明;杜凡;陈建设;文光玉
单  位：
西南林业大学
关键词：
维西县;光叶珙桐;物种组成;区系特征;生活型谱;种群更新
摘  要：
对滇西北光叶珙桐所处群落的群落结构、物种组成、区系特征、生活型谱及光叶珙桐的种群更新状况进行了研究。结果表明,(1)该地区光叶珙桐群落结构层次分明,乔木层盖度达40%~70%,优势种明显;(2)群落植物资源相对稀少,共有野生维管束植物60科100属114种;(3)群落种子植物区系构成中,以温带分布属为主,占总属数的52.17%;(4)光叶珙桐种群更新较差,主要由自身原因、生境原因、动物啃食及人为干扰共同作用所致。
译  名：
Study on Characteristics of Community Structure and Species Regeneration of Davidia involucrata var. vilmoriniana in Northwest of Yunnan Province
作  者：
ZHOU Dan;SHI Ming;DU Fan;CHEN Jian-she;WEN Guang-yu;Southwest Forestry University;
关键词：
Weixi county;;Davidia involucrata var.vilmoriniana;;flora characteristics;;life-form spectrum;;species regeneration
摘  要：
The study mainly analyzed the structure characteristics, species composition, flora characteristics,life-form spectrum and species regeneration of Davidia involucrata var. vilmoriniana. The results showed that:( 1)Layers of D. involucrata var. vilmoriniana community structure were distinct,coverage rate of arborous layer was40 % ~ 70 %,The dominant species was significant.( 2) The species resources of the community were relatively rare. There totally were 114 species of native vascular plants,belonged to 100 genera and 60 families.( 3) The flora composition of angiosperm was mainly temperate distribution type that occupied 52. 17 %.( 4) The regeneration of D. involucrata var. vilmoriniana community in this area was poor,mainly because of its own combination,habitat envrionment,gnawing by animals and disturbance from human being.

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