@article{fdi:010029057, title = {{G}enetic study of the {A}tlantic/{M}editerranean transition in {S}ea {B}ass ({D}icentrarchus labrax)}, author = {{N}aciri, {M}. and {L}emaire, {C}. and {B}orsa, {P}hilippe and {B}onhomme, {F}.}, editor = {}, language = {{ENG}}, abstract = {{W}e report on the genetic differentiation among populations of the common (or {E}uropean) sea bass ({D}icentrarchus labrax) from the {N}orth {S}ea, {B}ritanny, {P}ortugal, {M}orocco, the {A}lboran {S}ea, and the western {M}editerranean. {B}ased on allele-frequency variation at six microsatellite loci, a distance free inferred from {R}eynold's coancestry coefficient showed that sea bass populations clustered into two distinct groups of populations, an {A}tlantic group which includes the {A}lboran {S}ea east of {G}ibraltar {S}trait, and a western {M}editerranean group. {W}hile no clear geographical pattern emerged within each of these two entities, the sharp transition led us to postulate that the divide may correspond to the {A}lmeria-{O}ran oceanographic front. {T}his divide was evidenced by a small but highly significant {FST} (0.018, {P}<.001), corresponding at equilibrium to an average effective number of migrants {N}m on the order of 14 individuals per generation. {W}e emphasize the idea that the passive retention of larvae on either side of the oceanographic front is not a sufficient explanation for the persistence of this divide.}, keywords = {{POISSON} {MARIN} ; {STRUCTURE} {DE} {POPULATION} ; {STRUCTURE} {GENETIQUE} ; {DISTANCE} {GENETIQUE} ; {VARIABILITE} {GENETIQUE} ; {PHYLOGENIE} ; {MICROSATELLITE} ; {ANALYSE} {GENETIQUE} ; {ATLANTIQUE} ; {MEDITERRANEE}}, booktitle = {}, journal = {{T}he {J}ournal of {H}eredity}, volume = {90}, numero = {6}, pages = {591--596}, ISSN = {0022-1503}, year = {1999}, DOI = {10.1093/jhered/90.6.591}, URL = {https://www.documentation.ird.fr/hor/fdi:010029057}, }