Will climate change increase hybridization risk between potential plant invaders and their congeners in Europe?

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Date
2017
Authors
Klonner, Günther
Dullinger, Iwona
Wessely, Johannes
Bossdorf, Oliver
Carboni, Marta
Essl, Franz
Gattringer, Andreas
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Diversity and Distributions ; 23 (2017), 8. - pp. 934-943. - ISSN 1366-9516. - eISSN 1472-4642
Abstract
Aim: Interspecific hybridization can promote invasiveness of alien species. In many regions of the world, public and domestic gardens contain a huge pool of non-native plants. Climate change may relax constraints on their naturalization and hence facilitate hybridization with related species in the resident flora. Here, we evaluate this possible increase in hybridization risk by predicting changes in the overlap of climatically suitable ranges between a set of garden plants and their congeners in the resident flora.
Location: Europe.
Methods: From the pool of alien garden plants, we selected those which (1) are not naturalized in Europe, but established outside their native range elsewhere in the world; (2) belong to a genus where interspecific hybridization has been previously reported; and (3) have congeners in the native and naturalized flora of Europe. For the resulting set of 34 alien ornamentals as well as for 173 of their European congeners, we fitted species distribution models and projected suitable ranges under the current climate and three future climate scenarios. Changes in range overlap between garden plants and congeners were then assessed by means of the true skill statistic.
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570 Biosciences, Biology
Keywords
alien ornamental plants, climate change, interspecific hybridization, invasion biology, range overlap, species distribution models
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Cite This
ISO 690KLONNER, Günther, Iwona DULLINGER, Johannes WESSELY, Oliver BOSSDORF, Marta CARBONI, Wayne DAWSON, Franz ESSL, Andreas GATTRINGER, Emily Sutton HAEUSER, Mark VAN KLEUNEN, 2017. Will climate change increase hybridization risk between potential plant invaders and their congeners in Europe?. In: Diversity and Distributions. 23(8), pp. 934-943. ISSN 1366-9516. eISSN 1472-4642. Available under: doi: 10.1111/ddi.12578
BibTex
@article{Klonner2017-08clima-39134,
  year={2017},
  doi={10.1111/ddi.12578},
  title={Will climate change increase hybridization risk between potential plant invaders and their congeners in Europe?},
  number={8},
  volume={23},
  issn={1366-9516},
  journal={Diversity and Distributions},
  pages={934--943},
  author={Klonner, Günther and Dullinger, Iwona and Wessely, Johannes and Bossdorf, Oliver and Carboni, Marta and Dawson, Wayne and Essl, Franz and Gattringer, Andreas and Haeuser, Emily Sutton and van Kleunen, Mark}
}
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