整合生物学期刊网

Plant Diversity ›› 2026, Vol. 48 ›› Issue (01): 204-211.DOI: 10.1016/j.pld.2025.05.013

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Co-invasion of three invasive alien plants increases plant taxonomic diversity and community invasibility

Yingsheng Liua, Yizhuo Dua, Chuang Lia, Yue Lia, Congyan Wanga,b,c, Daolin Dud   

  1. a School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China;
    b Key Laboratory of Ocean Space Resource Management Technology, Marine Academy of Zhejiang Province, Hangzhou 310012, China;
    c Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China;
    d Jingjiang College, Jiangsu University, Zhenjiang 212013, China
  • 收稿日期:2024-12-29 修回日期:2025-05-27 出版日期:2026-01-25 发布日期:2026-03-05
  • 通讯作者: Congyan Wang,E-mail:liuyuexue623@163.com
  • 基金资助:
    The study was funded by the following sources: State Key Research Development Program of China (2024YFF1307500), Open Science Research Fund of Key Laboratory of Ocean Space Resource Management Technology, Marine Academy of Zhejiang Province, China (KF-2024-112), Special Research Project of School of Emergency Management, Jiangsu University (KY-C-01), Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment (no grant number), and Research project on the application of invasive plants in soil ecological restoration in Jiangsu (20240110).

Co-invasion of three invasive alien plants increases plant taxonomic diversity and community invasibility

Yingsheng Liua, Yizhuo Dua, Chuang Lia, Yue Lia, Congyan Wanga,b,c, Daolin Dud   

  1. a School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China;
    b Key Laboratory of Ocean Space Resource Management Technology, Marine Academy of Zhejiang Province, Hangzhou 310012, China;
    c Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China;
    d Jingjiang College, Jiangsu University, Zhenjiang 212013, China
  • Received:2024-12-29 Revised:2025-05-27 Online:2026-01-25 Published:2026-03-05
  • Contact: Congyan Wang,E-mail:liuyuexue623@163.com
  • Supported by:
    The study was funded by the following sources: State Key Research Development Program of China (2024YFF1307500), Open Science Research Fund of Key Laboratory of Ocean Space Resource Management Technology, Marine Academy of Zhejiang Province, China (KF-2024-112), Special Research Project of School of Emergency Management, Jiangsu University (KY-C-01), Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment (no grant number), and Research project on the application of invasive plants in soil ecological restoration in Jiangsu (20240110).

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摘要： Alien species from the Asteraceae family frequently invade native plant communities. This study aims to determine how the number of Asteraceae species (i.e., Erigeron canadensis, E. annuus, and Solidago canadensis) in a co-invasion affects plant taxonomic diversity and invasibility in plant communities in China. We found that co-invasions by one or two Asteraceae species decreased plant diversity and increased community invasibility. However, co-invasion by three Asteraceae species increased plant diversity and community invasibility. We also found that plant taxonomic diversity was negatively correlated with total coverage of invasive Asteraceae species. Conversely, community invasibility was positively correlated with total coverage of invasive Asteraceae species. These findings indicate that the number of Asteraceae invasive species positively correlates with total coverage, diversity, dominance, evenness, and invasibility. Our study shows that co-invasion by three IAS may increase plant taxonomic diversity but also community invasibility, which may further facilitate subsequent invasion.

关键词: Co-invasion, Ecological niche, Invasibility, Invasion intensity, Invasion scenario

Abstract: Alien species from the Asteraceae family frequently invade native plant communities. This study aims to determine how the number of Asteraceae species (i.e., Erigeron canadensis, E. annuus, and Solidago canadensis) in a co-invasion affects plant taxonomic diversity and invasibility in plant communities in China. We found that co-invasions by one or two Asteraceae species decreased plant diversity and increased community invasibility. However, co-invasion by three Asteraceae species increased plant diversity and community invasibility. We also found that plant taxonomic diversity was negatively correlated with total coverage of invasive Asteraceae species. Conversely, community invasibility was positively correlated with total coverage of invasive Asteraceae species. These findings indicate that the number of Asteraceae invasive species positively correlates with total coverage, diversity, dominance, evenness, and invasibility. Our study shows that co-invasion by three IAS may increase plant taxonomic diversity but also community invasibility, which may further facilitate subsequent invasion.

Key words: Co-invasion, Ecological niche, Invasibility, Invasion intensity, Invasion scenario

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