2006
DOI: 10.1111/j.1365-294x.2006.03033.x
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Temporal recruitment patterns and gene flow in kelp rockfish (Sebastes atrovirens)

Abstract: Pelagic dispersal of marine organisms provides abundant opportunity for gene flow and presumably inhibits population genetic divergence. However, ephemeral, fine-scale, temporal and spatial genetic heterogeneity is frequently observed in settled propagules of marine species that otherwise exhibit broad-scale genetic homogeneity. A large variance in reproductive success is one explanation for this phenomenon. Here, genetic analyses of 16 microsatellite loci are used to examine temporal patterns of variation in … Show more

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Cited by 32 publications
(24 citation statements)
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References 65 publications
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“…Atlantic cod Gadus morhua (Nielsen et al 2001). Our estimates, however, correspond well with recent reports on marine fishes that have a high potential for dispersal (Gilbert-Horvath et al 2006, O'Leary et al 2007). None of these authors suggests implicitly that the failure to correctly assign individuals to their native population arises from the biological dynamics of these species.…”
Section: Discussionsupporting
confidence: 90%
“…Atlantic cod Gadus morhua (Nielsen et al 2001). Our estimates, however, correspond well with recent reports on marine fishes that have a high potential for dispersal (Gilbert-Horvath et al 2006, O'Leary et al 2007). None of these authors suggests implicitly that the failure to correctly assign individuals to their native population arises from the biological dynamics of these species.…”
Section: Discussionsupporting
confidence: 90%
“…We found no differentiation among wild S. inermis populations, despite different sea basin origins. The lack of significant genetic differentiation between the wild populations we sampled is consistent with the lack of genetic divergence found in wild S. inermis from mtDNA sequence variability studies (Higuchi and Kato, 2002), as well as that of other Sebastes species (Rocha-Olivares et al, 2003;Gilbert-Horvath et al, 2006). This could result from sufficient gene flow during the black rockfish pelagic phase.…”
Section: Discussionsupporting
confidence: 67%
“…Interestingly, Gilbert-Horvath et al (2006) found no evidence for genetic heterogeneity between individual recruitment pulses of young-of-theyear and adult populations of kelp rockfish Sebastes atrovirens, a species shown in the present study and that of Sogard et al (2008) to practice multiple paternity. The authors suggest this as evidence that sweepstakes recruitment does not occur in this species; however, this lack of heterogeneity could also be due to the increased genetic diversity of multiply sired broods.…”
Section: Population Ramificationsmentioning
confidence: 66%