| 贾小容,李晓晖.广州车陂涌华南农业大学河段河岸带草本植物群落特征[J].广东农业科学,2019,(6-7):- |
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广州车陂涌华南农业大学河段河岸带草本植物群落特征 |
| Characteristics of herbaceous community in riparian zone of South China Agricultural University in Chebei River,Guangzhou |
| 投稿时间：2019-04-04 修订日期：2019-07-17 |
| DOI： |
| 中文关键词: 河岸带 草本植物群落 多样性指数 入侵植物 |
| 英文关键词: Riparian zone Herbaceous community Diversity index Invasive plant |
| 基金项目:广东省林业科技创新项目（2016KJCX027）；广东省科技计划项目（2016ZC0091） |
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| 摘要点击次数: 190 |
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| 中文摘要: |
| 河岸带植被的生态功能在维持城市河流水质方面的作用日趋受到重视,研究城市河岸带草本植物群落特征可为城市河岸带植被的管理和保护提供理论依据。通过调查广州市车陂涌华南农业大学河段河岸带的草本植物群落特征,计算物种的重要值和河岸带植物多样性指数,分析其分布规律。结果表明,该河岸带草本植物群落共有植物60种,隶属于28科和54属,科属分布较分散。菊科植物占18.33%,白花鬼针草是该群落的优势种。本土植物40种,外来植物20种,外来入侵植物11种。河岸带Shannon–Weiner指数、Simpson指数和Pielou均匀度指数分别为2.66、0.86和0.71。该河岸带草本植物群落物种组成较丰富,少数科属多样性突出,群落结构不稳定；外来入侵植物占优势,存在外来物种入侵风险；建议选用本土植物优化河岸带植被结构,开展入侵植物防治工作。 |
| 英文摘要: |
| The ecological function of riparian vegetation has been paid more and more attention in maintaining the water quality of urban rivers. The characteristics of herbaceous community in the riparian zone of South China Agricultural University in Chebei River, Guangzhou were investigated. There are 60 species of herbaceous plants in this riparian zone, belonging to 28 families and 54 genera, and the distribution of families and genera is relatively scattered. The plants of Compositae accounted for 18.33%, and Bidens alba was the dominant species in this community. There were 40 native plants, 20 exotic plants and 11 invasive plants. The Shannon - Weiner index, Simpson index and Pielou evenness index were 2.66, 0.86 and 0.71, respectively. The species composition of the herbaceous community in the riparian zone is relatively rich, the diversity of a few families and genera is prominent, and the community structure is unstable. Invasive plants predominate and there is a risk of invasive species. It is suggested to select native plants to optimize the vegetation structure of riparian zone, carry out prevention and control of invasive plants |
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