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Genotype diversity enhances invasion resistance of native plants via soil biotic feedbacks

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2024

Autor:innen

Cheng, Cai
Liu, Zekang
Zhang, Qun
Tian, Xing
Ju, Ruiting
Li, Bo
Chase, Jonathan M.
Wu, Jihua

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National Natural Science Foundation of China: 32030067
National Natural Science Foundation of China: 41871035
Deutsche Forschungsgemeinschaft (DFG): FZT 118
Deutsche Forschungsgemeinschaft (DFG): 202548816

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Ecology Letters. Wiley. 2024, 27(3), e14384. ISSN 1461-023X. eISSN 1461-0248. Available under: doi: 10.1111/ele.14384

Zusammenfassung

Although native species diversity is frequently reported to enhance invasion resistance, within-species diversity of native plants can also moderate invasions. While the positive diversity–invasion resistance relationship is often attributed to competition, indirect effects mediated through plant–soil feedbacks can also influence the relationship. We manipulated the genotypic diversity of an endemic species, Scirpus mariqueter, and evaluated the effects of abiotic versus biotic feedbacks on the performance of a global invader, Spartina alterniflora. We found that invader performance on live soils decreased non-additively with genotypic diversity of the native plant that trained the soils, but this reversed when soils were sterilized to eliminate feedbacks through soil biota. The influence of soil biota on the feedback was primarily associated with increased levels of microbial biomass and fungal diversity in soils trained by multiple-genotype populations. Our findings highlight the importance of plant–soil feedbacks mediating the positive relationship between genotypic diversity and invasion resistance.

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570 Biowissenschaften, Biologie

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ISO 690CHENG, Cai, Zekang LIU, Qun ZHANG, Xing TIAN, Ruiting JU, Bo LI, Mark VAN KLEUNEN, Jonathan M. CHASE, Jihua WU, 2024. Genotype diversity enhances invasion resistance of native plants via soil biotic feedbacks. In: Ecology Letters. Wiley. 2024, 27(3), e14384. ISSN 1461-023X. eISSN 1461-0248. Available under: doi: 10.1111/ele.14384
BibTex
@article{Cheng2024Genot-69679,
  year={2024},
  doi={10.1111/ele.14384},
  title={Genotype diversity enhances invasion resistance of native plants via soil biotic feedbacks},
  number={3},
  volume={27},
  issn={1461-023X},
  journal={Ecology Letters},
  author={Cheng, Cai and Liu, Zekang and Zhang, Qun and Tian, Xing and Ju, Ruiting and Li, Bo and van Kleunen, Mark and Chase, Jonathan M. and Wu, Jihua},
  note={Article Number: e14384}
}
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