@article{fdi:010074854, title = {{M}acroalgae as a tool for assessing the ecological status of coral reefs under the {W}ater {F}ramework {D}irective : a case study on the reef flats of {L}a {R}eunion ({I}ndian {O}cean)}, author = {{Z}ubia, {M}. and {D}epetris, {M}athieu and {F}lores, {O}. and {T}urquet, {J}. and {C}uet, {P}.}, editor = {}, language = {{ENG}}, abstract = {{T}he monitoring of macroalgae is required by the {W}ater {F}ramework {D}irective ({WFD}) to achieve good ecological status for coastal waters and specific questions arise for tropical ecosystems belonging to the outermost {E}uropean regions. {T}o assess the suitability of macroalgae as a biological quality indicator for {L}a {R}eunion reef flats ({F}rance), we performed multivariate analyses linking the abundance and composition of macroalgae to water physicochemistry. {T}hree hydrological groups of stations were identified according to dissolved inorganic nitrogen ({DIN}) concentrations and {DIN}/{PO}4 ratios. {S}ome indicator species were found at the {N}-enriched stations ({B}ryopsis pennata, {C}aulerpa lamourowcii, {C}haetomoropha vieillardii, {D}erbesia sp1, {B}lennothrix lyngbyacea, {S}phacelaria tribubides), and others at the non-impacted stations ({A}nabaena sp1, {B}lennothrix glutinosa, {C}odium arabicum, {N}eomeris vanbosseae). {A}nother key result was the significant increase in red algal cover at the most {N}-enriched station. {O}ur findings are discussed in the context of the application of the {WFD} in the outermost {F}rench regions.}, keywords = {{M}acroalgae ; {C}yanobacteria ; {C}oral reef ; {B}ioindicator ; {N}utrient ; {REUNION} ; {OCEAN} {INDIEN}}, booktitle = {}, journal = {{M}arine {P}ollution {B}ulletin}, volume = {137}, numero = {}, pages = {339--351}, ISSN = {0025-326{X}}, year = {2018}, DOI = {10.1016/j.marpolbul.2018.10.029}, URL = {https://www.documentation.ird.fr/hor/fdi:010074854}, }