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西双版纳鸡血藤次生群落的特征分析
唐建维; 张建侯; 宋启示; 冯志立;   
中国科学院西双版纳热带植物园
摘要:
本文对西双版纳热带雨林刀耕火种撩荒后形成的鸡血藤次生群落进行了研究和分析,结果表明:在900m2的固定样地上,计有维管束植物62种,隶属于36科55属,shannon-wienner指数为4.25;区系地理成分可分为9种类型,以热带区系成分为主,占92.73%。群落结构可分为乔木层(Ⅰ、Ⅱ、Ⅲ)、灌木层、草木层及层间植物,群落的外貌以高位芽、小叶型、单叶、纸质为主组成。与先锋阶段的植物群落相比,该群落正向湿润性的热带森林方向发展。
关键词:  鸡血藤  群落学特征  热带次生植被  
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