Community feature and species diversity of Acacia mearnsii communities in Wenzhou(外来种黑荆树的群落特征及其对物种多样性的影响)
以温州地区黑荆树(Acacia mearnsii)入侵群落为对象,采用样方法对10个样地进行了群落学调查,研究其群落的种类组成、区系特点、数量特征和物种多样性,探讨了黑荆树对群落物种多样性的影响.结果表明:①群落中共出现了225种维管束植物,分属于77科162属;②在种子植物属的分布区类型上,属于热带类型的有74属,占总属数的51.10%;温带类型50属,占总属数的34.48%;③群落可分为3种类型,其成层现象不明显,上木层中以黑荆树的优势度最大;下木层的物种丰富,各样地黑荆树的重要值有较大差异;草本层密度大,其中芒萁等蕨类植物占比较大的优势;④在常绿阔叶林样地中,群落的Simpson指数及S...
Main Authors: | KEQian-qian(柯倩倩), NANKang-wu(南康武), ZHENGSi-si(郑思思), FENGYou-yi(冯幼义), HURen-yong(胡仁勇), DINGBing-yang(丁炳扬) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2010-05-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2010.03.017 |
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