Alien plant species with a wider global distribution are better able to capitalize on increased resource availability

Dawson, Wayne; Rohr, Rudolf P.; van Kleunen, Mark; Fischer, Markus

Alien plant species with a wider global distribution are better able to capitalize on increased resource availability

Dateien

dawson_217305.pdfGröße: 772.04 KBDownloads: 690

Datum

2012

Autor:innen

Dawson, Wayne

Rohr, Rudolf P.

van Kleunen, Mark

Fischer, Markus

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

New Phytologist. 2012, 194(3), pp. 859-867. ISSN 0028-646X. eISSN 1469-8137. Available under: doi: 10.1111/j.1469-8137.2012.04104.x

Zusammenfassung

• A high ability of alien plant species to capitalize on increases in resource availability has been suggested as an explanation for being globally successful. Here, we tested this hypothesis meta-analytically using existing data from experiments manipulating plant resources (light, water and nutrients).

• From these studies we extracted the response to resource increase of biomass, as an indicator of plant performance, and the responses of two traits related to resource capture: root : shoot ratio and specific leaf area (SLA). For 211 species recorded in the Global Compendium of Weeds, we assessed the relationship between effect sizes from such studies and the number of global regions where a species was established.

• We found that globally widespread species exhibited greater biomass responses to increases in resources overall, compared to less widespread species. Root : shoot ratio and SLA
responses to increased resource availability were not related to species global distribution.

• In general, globally widespread alien plant species were better able to capitalize on increased availability of resources, through achieving increased growth and biomass accumulation, while greater plasticity of key resource-capture traits per se did not appear to be related to greater success.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

exotic, fitness, life history, naturalization, phenotypic plasticity

Zitieren

ISO 690

DAWSON, Wayne, Rudolf P. ROHR, Mark VAN KLEUNEN, Markus FISCHER, 2012. Alien plant species with a wider global distribution are better able to capitalize on increased resource availability. In: New Phytologist. 2012, 194(3), pp. 859-867. ISSN 0028-646X. eISSN 1469-8137. Available under: doi: 10.1111/j.1469-8137.2012.04104.x

BibTex

@article{Dawson2012-05Alien-21730,
  year={2012},
  doi={10.1111/j.1469-8137.2012.04104.x},
  title={Alien plant species with a wider global distribution are better able to capitalize on increased resource availability},
  number={3},
  volume={194},
  issn={0028-646X},
  journal={New Phytologist},
  pages={859--867},
  author={Dawson, Wayne and Rohr, Rudolf P. and van Kleunen, Mark and Fischer, Markus}
}

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Universitätsbibliographie

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