Microsatellite DNA markers were used for a genetic study of Octopus vulgaris, a cephalopod species of great commercial interest to Spain and Portugal, and therefore subjected to intensive fishing. Improving the demographic knowledge of marine resources supports more-responsible management and conservation. Genetic variation at five microsatellite loci screened in six samples from NE Atlantic and Mediterranean coasts of the Iberian Peninsula was high [mean number of alleles = 18.3, mean He = 0.874]. Analysis of the microsatellites allowed significant subpopulation structure to be identified, consistent with an isolation-by-distance model for Atlantic populations. Differences between pairs of samples separated by <200 km were not significant. From a fisheries management perspective, the results support coordinated management of neighbouring stocks of O. vulgaris around the Iberian Peninsula. © 2007 International Council for the Exploration of the Sea. Published by Oxford Journals. All rights reserved.
CITATION STYLE
Cabranes, C., Fernandez-Rueda, P., & Martínez, J. L. (2008). Genetic structure of Octopus vulgaris around the Iberian Peninsula and Canary Islands as indicated by microsatellite DNA variation. ICES Journal of Marine Science, 65(1), 12–16. https://doi.org/10.1093/icesjms/fsm178
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