@article{fdi:010086082, title = {{S}pecies and population genomic differentiation in {P}ocillopora corals ({C}nidaria, {H}exacorallia)}, author = {{A}urelle, {D}. and {P}ratlong, {M}. and {O}ury, {N}. and {H}aguenauer, {A}. and {G}elin, {P}. and {M}agalon, {H}. and {A}djeroud, {M}ehdi and {R}omans, {P}. and {V}idal-{D}upiol, {J}. and {C}laereboudt, {M}. and {N}ous, {C}. and {R}eynes, {L}. and {T}oulza, {E}. and {B}onhomme, {F}. and {M}itta, {G}. and {P}ontarotti, {P}.}, editor = {}, language = {{ENG}}, abstract = {{C}orrectly delimiting species and populations is a prerequisite for studies of connectivity, adaptation and conservation. {G}enomic data are particularly useful to test species differentiation for organisms with few informative morphological characters or low discrimination of cytoplasmic markers, as in {S}cleractinians. {H}ere we applied {R}estriction site {A}ssociated {DNA} sequencing ({RAD}-sequencing) to the study of species differentiation and genetic structure in populations of {P}ocillopora spp. from {O}man and {F}rench {P}olynesia, with the objectives to test species hypotheses, and to study the genetic structure among sampling sites within species. {W}e focused here on coral colonies morphologically similar to {P}. acuta (damicornis type beta). {W}e tested the impact of different filtering strategies on the stability of the results. {T}he main genetic differentiation was observed between samples from {O}man and {F}rench {P}olynesia. {T}hese samples corresponded to different previously defined primary species hypotheses ({PSH}), i.e., {PSH}s 12 and 13 in {O}man, and {PSH} 5 in {F}rench {P}olynesia. {I}n {O}man, we did not observe any clear differentiation between the two putative species {PSH} 12 and 13, nor between sampling sites. {I}n {F}rench {P}olynesia, where a single species hypothesis was studied, there was no differentiation between sites. {O}ur analyses allowed the identification of clonal lineages in {O}man and {F}rench {P}olynesia. {T}he impact of clonality on genetic diversity is discussed in light of individual-based simulations.}, keywords = {{C}oral ; {S}pecies delineation ; {RAD}-sequencing ; {P}ocillopora ; {G}enetic structure ; {C}lonal reproduction ; {OMAN} ; {POLYNESIE} {FRANCAISE}}, booktitle = {}, journal = {{G}enetica}, volume = {[{E}arly access]}, numero = {}, pages = {[16 p.]}, ISSN = {0016-6707}, year = {2022}, DOI = {10.1007/s10709-022-00165-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010086082}, }