@article{fdi:010064722, title = {{A} biogeographical regionalization of coastal {M}editerranean fishes}, author = {{H}attab, {T}. and {A}lbouy, {C}. and {L}asram, {F}. {B}. and {L}e {L}oc'h, {F}ran{\c{c}}ois and {G}uilhaumon, {F}ran{\c{c}}ois and {L}eprieur, {F}.}, editor = {}, language = {{ENG}}, abstract = {{A}im{T}o delineate the biogeographical regions of the continental shelf of the {M}editerranean {S}ea based on the spatial distributions of coastal marine fishes and their evolutionary relationships, with a view to furthering our capacity to answer basic and applied biogeographical, ecological and evolutionary questions. {L}ocation{M}editerranean {S}ea. {M}ethods{W}e used a dataset summarizing the occurrences of 203 coastal {M}editerranean fishes (0.1 degrees resolution grid system) and a molecular phylogenetic tree to quantify both compositional and phylogenetic dissimilarity (or beta diversity) between cells. {W}e then applied multivariate analyses to delineate biogeographical regions and to evaluate how they related to broad-scale environmental gradients. {W}e also assessed the differences between the biogeographical regions identified using phylogenetic beta diversity versus those obtained using compositional beta diversity. {R}esults{T}he bioregionalization schemes based on phylogenetic and compositional beta diversity identified broadly similar regions, each consisting of six distinct pools of coastal fishes. {C}lear separations between northern and southern regions were observed, as well as a disjunct between inshore and offshore areas. {T}hese beta diversity patterns were mainly related to a north-south gradient in sea-surface temperature and bathymetric constraints. {M}ain conclusions{I}ncorporating phylogenetic information into the measurement of beta diversity did not offer further insights to the bioregionalization scheme based solely on compositional beta diversity. {T}his suggests that evolutionary and historical processes played only a minor role in shaping the contemporary patterns of beta diversity in the {M}editerranean coastal fish fauna. {H}owever, our results support the view that contemporary environmental conditions play a major role in determining the distribution of these species.}, keywords = {{B}eta diversity ; biogeography ; bioregionalization ; coastal fishes ; compositional turnover ; environmental gradient ; historical processes ; {M}editerranean {S}ea ; phylogenetic turnover ; species composition ; {MEDITERRANEE}}, booktitle = {}, journal = {{J}ournal of {B}iogeography}, volume = {42}, numero = {7}, pages = {1336--1348}, ISSN = {0305-0270}, year = {2015}, DOI = {10.1111/jbi.12505}, URL = {https://www.documentation.ird.fr/hor/fdi:010064722}, }