The role of enemy release, tolerance and resistance in plant invasions: linking damage to performance

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2010
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Zusammenfassung

An explanation for successful invasion is that invasive alien species sustain less pressure from natural enemies than co-occurring native species. Using meta-analysis, we examined whether invasive species: (1) incur less damage, (2) exhibit better performance in the presence of enemies, and (3) tolerate damage more than native species. Invasive alien species did not incur less damage than native species overall. The performance of invasive alien species was reduced compared to natives in the presence of enemies, indicating the invasive alien species were less tolerant to damage than native species. However, there was no overall difference in performance of invasive alien and native species with enemies present. The damage and degree of reduction in performance of invasive alien relative to native species did not depend on relatedness to natives. Our results suggest aliens may not always experience enemy release, and enemy release may not always result in greater plant performance.

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570 Biowissenschaften, Biologie
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Biotic resistance, congener, enemy release, exotic species, invasive species, meta-analysis, natural enemies, non-indigenous species, taxonomic relatedness, tolerance
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ISO 690CHUN, Young Jin, Mark VAN KLEUNEN, Wayne DAWSON, 2010. The role of enemy release, tolerance and resistance in plant invasions: linking damage to performance. In: Ecology Letters. 2010, 13(8), pp. no-no. ISSN 1461-023X. eISSN 1461-0248. Available under: doi: 10.1111/j.1461-0248.2010.01498.x
BibTex
@article{Chun2010-08-01enemy-12423,
  year={2010},
  doi={10.1111/j.1461-0248.2010.01498.x},
  title={The role of enemy release, tolerance and resistance in plant invasions: linking damage to performance},
  number={8},
  volume={13},
  issn={1461-023X},
  journal={Ecology Letters},
  pages={no--no},
  author={Chun, Young Jin and van Kleunen, Mark and Dawson, Wayne}
}
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    <dcterms:abstract xml:lang="eng">An explanation for successful invasion is that invasive alien species sustain less pressure from natural enemies than co-occurring native species. Using meta-analysis, we examined whether invasive species: (1) incur less damage, (2) exhibit better performance in the presence of enemies, and (3) tolerate damage more than native species. Invasive alien species did not incur less damage than native species overall. The  performance of invasive alien species was reduced compared to natives in the presence of enemies, indicating the invasive alien species were less tolerant to damage than native species. However, there was no overall difference in performance of invasive alien and native species with enemies present. The damage and degree of reduction in performance of invasive alien relative to native species did not depend on relatedness to natives. Our results suggest aliens may not always experience enemy release, and enemy release may not always result in greater plant performance.</dcterms:abstract>
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