2013
DOI: 10.1111/jeb.12267
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Repeated and predictable patterns of ecotypic differentiation during a biological invasion: lake–stream divergence in parapatricSwiss stickleback

Abstract: The relative importance of ecological selection and geographical isolation in promoting and constraining genetic and phenotypic differentiation among populations is not always obvious. Interacting with divergent selection, restricted opportunity for gene flow may in some cases be as much a cause as a consequence of adaptation, with the latter being a hallmark of ecological speciation. Ecological speciation is well studied in parts of the native range of the three-spined stickleback. Here, we study this process… Show more

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Cited by 52 publications
(117 citation statements)
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References 115 publications
(225 reference statements)
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“…We also found no relationship between genetic differentiation and geographical distance either in combination with the hybrid scenario or by itself. Contrary to previous work performed within Swiss lake systems (Lucek et al 2013), the pattern of genetic population divergence observed here is not likely driven by habitat dependent selection because, although genetically differentiated, many populations occupy similar (e.g., GIP-MOE, both stream habitats), or even the same, habitats (e.g., both RHO-and NEU-like individuals recovered from STS, ALL, GLA, GUP, YVB and YVM). Thus, although parallel habitat based divergence seems evident at a finer, more lake-specific level (Lucek et al 2013), the nature of genetic boundaries between the geographically more inclusive genetic populations identified in the present work is less obvious.…”
Section: Accepted Articlecontrasting
confidence: 52%
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“…We also found no relationship between genetic differentiation and geographical distance either in combination with the hybrid scenario or by itself. Contrary to previous work performed within Swiss lake systems (Lucek et al 2013), the pattern of genetic population divergence observed here is not likely driven by habitat dependent selection because, although genetically differentiated, many populations occupy similar (e.g., GIP-MOE, both stream habitats), or even the same, habitats (e.g., both RHO-and NEU-like individuals recovered from STS, ALL, GLA, GUP, YVB and YVM). Thus, although parallel habitat based divergence seems evident at a finer, more lake-specific level (Lucek et al 2013), the nature of genetic boundaries between the geographically more inclusive genetic populations identified in the present work is less obvious.…”
Section: Accepted Articlecontrasting
confidence: 52%
“…The approach we used to infer population structure differs from many previous population based stickleback studies, some performed in these systems (Reusch et al 2001;Mäkinen et al 2006;Lucek et al 2010;Lucek et al 2013;Lucek et al 2014a;Lucek et al 2014b). Rather than assigning population status to different sampling sites by default, we used an approach based on individual admixture proportions.…”
Section: Population Structurementioning
confidence: 99%
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“…Understanding local adaptation is a central goal of evolutionary ecology because of its important role in diversification, conservation and epidemiology [1][2][3][4]. Consequently, a large body of theory has been developed to predict the conditions under which local adaptation is expected to most readily evolve.…”
Section: Introductionmentioning
confidence: 99%