@article{fdi:010083244, title = {{L}obophora ({D}ictyotales, {P}haeophyceae) from the western {I}ndian {O}cean : diversity and biogeography}, author = {{V}ieira, {C}. and {R}asoamanendrika, {F}. {A}. and {Z}ubia, {M}. and {B}olton, {J}. {J}. and {A}nderson, {R}. {J}. and {E}ngelen, {A}. {H}. and {D}'{H}ondt, {S}. and {L}eliaert, {F}. and {P}ayri, {C}laude and {K}awai, {H}. and {D}e {C}lerck, {O}.}, editor = {}, language = {{ENG}}, abstract = {{T}he brown algal genus {L}obophora ({D}ictyotales, {P}haeophyceae) is an important ecological component of tropical marine systems. {A}lthough still scantily sampled, 35 species of {L}obophora were discovered previously from the western {I}ndian {O}cean. {T}his study updates previous diversity estimates by incorporating recent collections from {M}adagascar, {M}ozambique, and the {R}ed {S}ea, considerably improving our knowledge of {L}obophora diversity and biogeography in this region. {E}ight additional species are identified from the western {I}ndian {O}cean, raising the total number of {L}obophora species to 43. {F}ifteen species are new to science and described herein. {W}ith ca. 40% of the global diversity, the western {I}ndian {O}cean is second only to the {C}entral {I}ndo{P}acific. {O}f the species identified to date, 29 appear to be restricted to the western {I}ndian {O}cean, three are shared with the {A}tlantic (four including {L}. lessepsiana introduced to the western {M}editerranean {S}ea) and 12 have a wider distribution in the {I}ndo-{P}acific. {T}he western {I}ndian {O}cean supports a high diversity with ca. 67% of its {L}obophora restricted to this region, which is comparable to the {C}entral {I}ndo-{P}acific (62%) and the {C}aribbean (61%). {T}he presence of several putative endemic species in the western {I}ndian {O}cean islands and the {R}ed {S}ea illustrates that these provinces played an important role in {L}obophora species diversification within the western {I}ndian {O}cean by producing locally new species. {T}he small number of species shared between the western {I}ndo-{P}acific and {A}tlantic indicates that this oceanic boundary - associated with the temperate {A}gulhas marine province, and the {B}enguela current and upwelling - acts as an effective dispersal barrier.}, keywords = {{M}adagascar ; {M}ozambique ; molecular phylogenetics ; {R}ed {S}ea ; seaweeds ; {S}outh {A}frica ; taxonomy ; {OCEAN} {INDIEN} ; {MADAGASCAR} ; {MOZAMBIQUE} ; {MER} {ROUGE} ; {AFRIQUE} {DU} {SUD}}, booktitle = {}, journal = {{S}outh {A}frican {J}ournal of {B}otany}, volume = {142}, numero = {}, pages = {230--246}, ISSN = {0254-6299}, year = {2021}, DOI = {10.1016/j.sajb.2021.06.015}, URL = {https://www.documentation.ird.fr/hor/fdi:010083244}, }