@article{fdi:010073689, title = {{I}nfluence of the geography of speciation on current patterns of coral reef fish biodiversity across the {I}ndo-{P}acific}, author = {{G}aboriau, {T}. and {L}eprieur, {F}. and {M}ouillot, {D}. and {H}ubert, {N}icolas}, editor = {}, language = {{ENG}}, abstract = {{T}he role of speciation processes in shaping current biodiversity patterns represents a major scientific question for ecologists and biogeographers. {H}ence, numerous methods have been developed to determine the geography of speciation based on co-occurrence between sister-species. {M}ost of these methods rely on the correlation between divergence time and several metrics based on the geographic ranges of sister-taxa (i.e. overlap, asymmetry). {T}he relationship between divergence time and these metrics has scarcely been examined in a spatial context beyond regression curves. {M}apping this relationship across spatial grids, however, may unravel how speciation processes have shaped current biodiversity patterns through space and time. {T}his can be particularly relevant for coral reef fishes of the {I}ndo-{P}acific since the origin of the exceptional concentration of biodiversity in the {I}ndo-{A}ustralian {A}rchipelago ({IAA}) has been actively debated, with several alternative hypotheses involving species diversification and dispersal. {W}e reconstructed the phylogenetic relationships between three species-rich families of coral reef fish ({C}haetodontidae, {L}abridae, {P}omacentridae) and calculated co-occurrence metrics between closely related lineages of those families. {W}e demonstrated that repeated biogeographic processes can be identified in present-day species distribution by projecting co-occurrence metrics between related lineages in a geographical context. {O}ur study also evidence that sister-species do not co-occur randomly across the {I}ndo-{P}acific, but tend to overlap their range within the {IAA}. {W}e identified the imprint of two important biogeographic processes that caused this pattern in 48% of the sister-taxa considered: speciation events within the {IAA} and repeated divergence between the {I}ndian and {P}acific {O}cean, with subsequent secondary contact in the {IAA}.}, keywords = {{OCEAN} {INDIEN} ; {PACIFIQUE} ; {INDONESIE} ; {MALAISIE} ; {PHILIPPINES} ; {TIMOR} {ORIENTAL} ; {PAPOUASIE} {NOUVELLE} {GUINEE} ; {AUSTRALIE}}, booktitle = {}, journal = {{E}cography}, volume = {41}, numero = {8}, pages = {1295--1306}, ISSN = {0906-7590}, year = {2018}, DOI = {10.1111/ecog.02589}, URL = {https://www.documentation.ird.fr/hor/fdi:010073689}, }