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题名: Curvilinear Effects of Invasive Plants on Plant Diversity: Plant Community Invaded by Sphagneticola trilobata
作者: Qi,Shan-Shan; Dai,Zhi-Cong; Zhai,De-Li; Chen,Si-Chong; Si,Chun-Can; Huang,Ping; Wang,Rui-Ping; Zhong,Qiong-Xin; Du,Dao-Lin
刊名: PLOS ONE
英文摘要: The effects of invasive plants on the species diversity of plant communities are controversial, showing either a positive or negative linear relationship. Based on community data collected from forty 5 m x 5 m plots invaded by Sphagneticola trilobata in eight cities across Hainan Island, China, we found S. trilobata decreased plant community diversity once its cover was beyond 10%. We demonstrated that the effects of invasive/native plants on the plant diversity of communities invaded by S. trilobata were curvilinear. These effects, which showed peaks under different degrees of vegetation cover, appeared not only for S. trilobata and all invasive plants, but also for all native plants. Invasive plants primarily had negative effects on plant diversity when they became abundant at a much lower cover level (less than 35%), compared with the native plants (over 60%). Thus, it is necessary to distinguish a range for assessing the effects of plants, especially invasive plants. Our results also confirmed that the invasion intensity of invasive alien plants increased with the intensity of local economic development. We highlight and further discuss the critical importance of curvilinear effects of biological invasion to provide ideas regarding the conservation of local biodiversity and the management of invasive plants.
出版日期: 2014
卷号: 9, 期号:11, 页码:e113964
DOI标识: 10.1371/journal.pone.0113964
语种: 英语
收录类别: SCI
学科分类: Multidisciplinary Sciences
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/20567
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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Recommended Citation:
Qi,Shan-Shan,Dai,Zhi-Cong,Zhai,De-Li,et al. Curvilinear Effects of Invasive Plants on Plant Diversity: Plant Community Invaded by Sphagneticola trilobata[J]. PLOS ONE,2014,9(11):e113964.
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