Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability
Invasive species can rapidly adapt to conditions in non‐native ranges, including changes in size and competitive ability. However, little is known about the heritability of such changes, and on the importance of hypothetical reintroductions in the maintenance of locally adapted traits. To test for this, we experimentally produced a cohort of Centaurea solstitialis of ancestry from either the native range in Spain, the invasive range in California, or inter‐regional hybrids from both ranges. We then set up one‐to‐one competition experiments with the grass Bromus hordeaceus. Centaurea solstitialis individuals grown from seed produced from two Californian parents had almost twice the competitive effect on B. hordeaceus than descendants of two Spanish parents, whereas inter‐regional hybrids between Spain and California showed intermediate values. These results suggest that, at this stage of invasion, homogenizing gene flow resulting from hypothetical re‐introductions from the native range could lower their competitive effects on the invaded plant communities.
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John Wiley & Sons
2017-07
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Online Access: | http://hdl.handle.net/10261/182676 http://dx.doi.org/10.13039/100000001 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100001871 http://dx.doi.org/10.13039/501100000780 |
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dig-cide-es-10261-1826762019-05-29T00:59:12Z Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability Montesinos, D. Callaway, Ragan M. Ministerio de Ciencia e Innovación (España) Fundação para a Ciência e a Tecnologia (Portugal) National Science Foundation (US) European Commission Montesinos, D. [0000-0003-2893-0878] Invasive species can rapidly adapt to conditions in non‐native ranges, including changes in size and competitive ability. However, little is known about the heritability of such changes, and on the importance of hypothetical reintroductions in the maintenance of locally adapted traits. To test for this, we experimentally produced a cohort of Centaurea solstitialis of ancestry from either the native range in Spain, the invasive range in California, or inter‐regional hybrids from both ranges. We then set up one‐to‐one competition experiments with the grass Bromus hordeaceus. Centaurea solstitialis individuals grown from seed produced from two Californian parents had almost twice the competitive effect on B. hordeaceus than descendants of two Spanish parents, whereas inter‐regional hybrids between Spain and California showed intermediate values. These results suggest that, at this stage of invasion, homogenizing gene flow resulting from hypothetical re‐introductions from the native range could lower their competitive effects on the invaded plant communities. Thanks to Margarita Zorrilla and to the Callaway Lab staff. RMC was funded by NSF‐DEB 0614406 and the NSF‐EPSCR Track‐1 EPS‐1101342 (INSTEP 3). DM was funded by Micinn (2008‐0662); by FCT (PCT/BIA‐PLA/3389/2012; IF‐00066‐2013); and by the EC (FP7‐PEOPLE‐MC‐CIG‐321909). FCT is partially funded by the EU via QREN, COMPETE and FEDER. Peer reviewed 2019-05-28T13:47:15Z 2019-05-28T13:47:15Z 2017-07 artículo http://purl.org/coar/resource_type/c_6501 Ecography 40: 801–802 (2017) 0906-7590 http://hdl.handle.net/10261/182676 10.1111/ecog.02653 1600-0587 http://dx.doi.org/10.13039/100000001 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100001871 http://dx.doi.org/10.13039/501100000780 en http://dx.doi.org/10.1111/ecog.02653 Sí none John Wiley & Sons |
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Invasive species can rapidly adapt to conditions in non‐native ranges, including changes in size and competitive ability. However, little is known about the heritability of such changes, and on the importance of hypothetical reintroductions in the maintenance of locally adapted traits. To test for this, we experimentally produced a cohort of Centaurea solstitialis of ancestry from either the native range in Spain, the invasive range in California, or inter‐regional hybrids from both ranges. We then set up one‐to‐one competition experiments with the grass Bromus hordeaceus. Centaurea solstitialis individuals grown from seed produced from two Californian parents had almost twice the competitive effect on B. hordeaceus than descendants of two Spanish parents, whereas inter‐regional hybrids between Spain and California showed intermediate values. These results suggest that, at this stage of invasion, homogenizing gene flow resulting from hypothetical re‐introductions from the native range could lower their competitive effects on the invaded plant communities. |
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Ministerio de Ciencia e Innovación (España) |
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Ministerio de Ciencia e Innovación (España) Montesinos, D. Callaway, Ragan M. |
format |
artículo |
author |
Montesinos, D. Callaway, Ragan M. |
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Montesinos, D. Callaway, Ragan M. Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability |
author_sort |
Montesinos, D. |
title |
Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability |
title_short |
Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability |
title_full |
Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability |
title_fullStr |
Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability |
title_full_unstemmed |
Inter‐regional hybrids of native and invasive Centaurea solstitialis display intermediate competitive ability |
title_sort |
inter‐regional hybrids of native and invasive centaurea solstitialis display intermediate competitive ability |
publisher |
John Wiley & Sons |
publishDate |
2017-07 |
url |
http://hdl.handle.net/10261/182676 http://dx.doi.org/10.13039/100000001 http://dx.doi.org/10.13039/501100004837 http://dx.doi.org/10.13039/501100001871 http://dx.doi.org/10.13039/501100000780 |
work_keys_str_mv |
AT montesinosd interregionalhybridsofnativeandinvasivecentaureasolstitialisdisplayintermediatecompetitiveability AT callawayraganm interregionalhybridsofnativeandinvasivecentaureasolstitialisdisplayintermediatecompetitiveability |
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1777665544621654016 |