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Soil nutrient limitation and natural enemies promote the establishment of alien species in native community
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  • Yu-Han Xu,
  • Yu-Jian Guo,
  • Yan-Feng Bai,
  • Yuan-Yuan Liu,
  • Yong-Jian Wang
Yu-Han Xu
Huazhong Agricultural University
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Yu-Jian Guo
Huazhong Agricultural University
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Yan-Feng Bai
Chinese Academy of Forestry
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Yuan-Yuan Liu
Huazhong Agricultural University
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Yong-Jian Wang
Huazhong Agricultural University

Corresponding Author:[email protected]

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The invasion of alien plant species poses a threat to native community’s composition and diversity. However, the invasiveness of alien plants and invisibility of native communities should be depended on the interactions between biotic and abiotic factors, such as natural enemies and nutrient availability. In a study, we simulated the invasion of nine invasive plants into native plant communities with two levels of nutrient availability and natural enemies suppression. We explored how the biotic and abiotic factors affect the response of alien target species and the resistance of native communities to invasion. The results showed that enemy release (i.e., presence of enemy) increased biomass proportion of alien plants and decreased that of native community under without nutrient addition. Furthermore, we also found that the negative effect of enemy suppression on the evenness of native community and the root-to-shoot ratio of alien target species was greatest under nutrient addition. Therefore, nutrient deficiency and natural enemies might promote the invasive success of alien species in native community, whereas nutrient addition and enemy suppression can better enhance the resistance of native plant communities to invasion.
22 Sep 2023Submitted to Ecology and Evolution
25 Sep 2023Assigned to Editor
25 Sep 2023Submission Checks Completed
27 Oct 2023Reviewer(s) Assigned
14 Nov 2023Review(s) Completed, Editorial Evaluation Pending
20 Nov 2023Editorial Decision: Revise Minor