香纸沟喀斯特区域巫山淫羊藿群落的特征分析  

Analysis on the Characteristics of Epimedium wushanense Community in Xiangzhigou Karst Area of Guizhou Province

作　　者：石登红[1] 武孔云[1] 田茂权[1] 周宁 钟云梅[1] 贺勇 杨相波 

机构地区：[1]贵阳学院化学与材料科学系生物控制与资源利用贵州省高校特色重点实验室,贵州贵阳550005 [2]贵州同济堂制药有限公司,贵州贵阳550003

出　　处：《贵州农业科学》2012年第7期28-32,共5页Guizhou Agricultural Sciences

基　　金：贵阳市中药现代化项目"黔产药用淫羊藿及其伴生植物生态关系的研究"(2010筑科农合同字号1中02);贵州省重点支持学科<生态学>经费资助

摘　　要：为考察巫山淫羊藿伴生的植物种类,采用样方调查和统计分析,对药用植物巫山淫羊藿(Epimedium wushanense)群落的区系组成、地理成分、生活型、结构及物种多样性进行了统计分析。结果表明,该群落内常见的维管植物约有63种,隶属37科53属。植物地理分布以温带类型最多,有30属,占总属数的56.6%;其次是热带亚洲分布类型,有16属,占30.19%。按Raunkiaer生活型统计,地面芽植物占68.25%,地上芽植物占17.46%,高位芽植物占9.53%,一年生植物占1.59%。群落垂直结构简单,分层不明显,只分为灌木层和草本层,并有少量的层间植物。Shannon-Wiener指数较高,群落中物种比较丰富;Simpson指数和种间相遇机率指数均较低,说明与巫山淫羊藿伴生的植物种类分布无规律,其优势度显著集中在巫山淫羊藿上。结论:香纸沟喀斯特区域群落伴生植物种类组成尚不稳定,目前巫山淫羊藿处于种群建立时期。To investigate the accompanying species of E. wushanense, the floral composition, geographic component, biotype, structure and species diversity of E. wushanense community were analyzed by quadrat investigation and statistical analysis. The results show that there are 63 vascular plant species of 53 genera in 37 families in this community. Most of the genera are of North Temperate and Asian tropical comprising 30 （56.6%） and 16 （30. 19%） genera, respectively. According to Raunkiaer＇ s life-form classification, Hemicryptophyta （6 8.2 5 %）, Chamaephyte （ 17.4 6%） and Phanerophyta （9.5 3 % ） therophytes （1.59%） are the dominants. The community structure is simple and irregular, having only shrub and herb layers. Shannon-Wiener index of diversity in shrub layer is relatively high, both probability of interspeeific eneounter index and Simpson are relatively low, suggesting that this community is not relatively stable and E. v2ushanense is at the sta^e of PoPulation establishment_

关 键 词：巫山淫羊藿 药用植物 群落特征 香纸沟 

分 类 号：S567.23[农业科学—中草药栽培]