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Effects of native pollinator specialization, self-compatibility and flowering duration of European plant species on their invasiveness elsewhere

Effects of native pollinator specialization, self-compatibility and flowering duration of European plant species on their invasiveness elsewhere

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CHROBOCK, Thomas, Christiane N. WEINER, Michael WERNER, Nico BLÜTHGEN, Markus FISCHER, Mark VAN KLEUNEN, 2013. Effects of native pollinator specialization, self-compatibility and flowering duration of European plant species on their invasiveness elsewhere. In: Journal of Ecology. 101(4), pp. 916-923. ISSN 0022-0477. eISSN 1365-2745. Available under: doi: 10.1111/1365-2745.12107

@article{Chrobock2013Effec-25625, title={Effects of native pollinator specialization, self-compatibility and flowering duration of European plant species on their invasiveness elsewhere}, year={2013}, doi={10.1111/1365-2745.12107}, number={4}, volume={101}, issn={0022-0477}, journal={Journal of Ecology}, pages={916--923}, author={Chrobock, Thomas and Weiner, Christiane N. and Werner, Michael and Blüthgen, Nico and Fischer, Markus and van Kleunen, Mark} }

Werner, Michael Weiner, Christiane N. van Kleunen, Mark van Kleunen, Mark 2013 Weiner, Christiane N. 2014-01-15T10:31:18Z Fischer, Markus Effects of native pollinator specialization, self-compatibility and flowering duration of European plant species on their invasiveness elsewhere Werner, Michael 1. When entomophilous plants are introduced to a new region, they may leave behind their usual pollinators. In particular, plant species with specialized pollination may then be less likely to establish and spread (i.e. become invasive). Moreover, other reproductive characteristics such as self-compatibility and flowering duration may also affect invasion success.<br />2.Here, we specifically asked whether plant species’ specialization towards pollinator species and families, respectively, as measured in the native range, self-compatibility,flowering duration and their interactions are related to the degree of invasion (i.e. a measure of regional abundance) in non-native regions.<br />3.We used plant–pollinator interaction data from 119 German grassland sites to calculate unbiased indices of plant specialization towards pollinator species and families for 118 European plant species. We related these specialization indices,flowering duration,self-compatibility and their interactions to the degree of invasion of each species in seven large countries on four non-Eurasian<br />continents.<br />4.In all models, plant species with long flowering durations had the highest degree of invasion.The best model included the specialization index based on pollinator species instead of the one based on pollinator families. Specialization towards pollinator species had a marginally significant positive effect on the degree of invasion in non-native regions for self-compatible, but not for self-incompatible species.<br />5.Synthesis. We showed that long flowering duration is related to the degree of invasion in other parts of the world, and a trend that pollinator generalization in the native range may interact with self-compatibility in determining the degree of invasion. Therefore, we conclude that such reproductive characteristics should be considered in risk assessment and management of introduced plant species. Chrobock, Thomas Chrobock, Thomas eng Blüthgen, Nico Journal of Ecology ; 101 (2013), 4. - S. 916–923 deposit-license Fischer, Markus Blüthgen, Nico 2014-06-30T22:25:05Z

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