@article{fdi:010074872, title = {{D}eterminants of reef fish assemblages in tropical {O}ceanic islands}, author = {{Q}uimbayo, {J}. {P}. and {D}ias, {M}. {S}. and {K}ulbicki, {M}ichel and {M}endes, {T}. {C}. and {L}amb, {R}. {W}. and {J}ohnson, {A}. {F}. and {A}burto-{O}ropeza, {O}. and {A}lvarado, {J}. {J}. and {B}ocos, {A}. {A}. and {F}erreira, {C}. {E}. {L}. and {G}arcia, {E}. and {L}uiz, {O}. {J}. and {M}ascarenas-{O}sorio, {I}. and {P}inheiro, {H}. {T}. and {R}odriguez-{Z}aragoza, {F}. and {S}alas, {E}. and {Z}apata, {F}. {A}. and {F}loeter, {S}. {R}.}, editor = {}, language = {{ENG}}, abstract = {{D}iversity patterns are determined by biogeographic, energetic, and anthropogenic factors, yet few studies have combined them into a large-scale framework in order to decouple and compare their relative effects on fish faunas. {U}sing an empirical dataset derived from 1527 underwater visual censuses ({UVC}) at 18 oceanic islands (five different marine provinces), we determined the relative influence of such factors on reef fish species richness, functional dispersion, density and biomass estimated from each {UVC} unit. {S}pecies richness presented low variation but was high at large island sites. {H}igh functional dispersion, density, and biomass were found at islands with large local species pool and distance from nearest reef. {P}rimary productivity positively affected fish richness, density and biomass confirming that more productive areas support larger populations, and higher biomass and richness on oceanic islands. {I}slands densely populated by humans had lower fish species richness and biomass reflecting anthropogenic effects. {S}pecies richness, functional dispersion, and biomass were positively related to distance from the mainland. {O}verall, species richness and fish density were mainly influenced by biogeographical and energetic factors, whereas functional dispersion and biomass were strongly influenced by anthropogenic factors. {O}ur results extend previous hypotheses for different assemblage metrics estimated from empirical data and confirm the negative impact of humans on fish assemblages, highlighting the need for conservation of oceanic islands.}, keywords = {biogeographic factors ; energetic factors ; anthropogenic factors ; {PACIFIQUE} ; {ATLANTIQUE} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{E}cography}, volume = {42}, numero = {1}, pages = {77--87}, ISSN = {0906-7590}, year = {2019}, DOI = {10.1111/ecog.03506}, URL = {https://www.documentation.ird.fr/hor/fdi:010074872}, }