@article{fdi:010071897, title = {{D}iversity and assemblage structure of tropical marine flora on lava flows of different ages}, author = {{Z}ubia, {M}. and {D}e {C}lerck, {O}. and {L}eliaert, {F}. and {P}ayri, {C}laude and {M}attio, {L}. and {V}ieira, {C}. and {C}ambert, {H}. and {Q}uod, {J}. {P}. and {L}oiseau, {N}. and {G}olubic, {S}. and {L}in, {S}. {M}. and {L}iu, {S}. {L}. and {P}inault, {M}.}, editor = {}, language = {{ENG}}, abstract = {{R}ecent volcanic lava flows extending into the ocean represent an ideal opportunity to study the long-term successional development of marine floral assemblages on the bare new substratum. {W}e describe the floral assemblages of nine lava flows of different ages (prehistoric to 2007) at {P}iton de la {F}ournaise ({R}eunion {I}sland, {I}ndian {O}cean) based on a survey of 37 stations. {W}e identified 159 species including 148 macroalgae, 1 seagrass, and 10 cyanobacteria. {F}ifty-one of those represent new records for {R}eunion {I}sland, and at least 9 taxa were identified as new to science. {R}ecent lava flows were characterized by the dominance of ephemeral, opportunistic species, such as {P}seudobryopsis hainanensis and {A}crocladus dotyanus, while prehistoric lava flows were mainly characterized by perennial species, particularly {S}argassum portiericuzum and {T}urbinaria ornata. {A} canonical correspondence analysis revealed that the environmental factor that most significantly correlated to the variation in floral assemblages was the distance to the most recent lava flow (2007). {T}his factor was also highly correlated to coral cover. {T}he composition of the different floral assemblages is discussed in relation to abiotic and biotic factors to explain ecological succession in a tropical environment.}, keywords = {{C}yanobacteria ; {E}cological succession ; {M}acroalgae ; {P}iton de la fournaise ; {R}eunion island ; {REUNION} ; {OCEAN} {INDIEN} ; {PITON} {DE} {LA} {FOURNAISE} {VOLCAN}}, booktitle = {}, journal = {{A}quatic {B}otany}, volume = {144}, numero = {}, pages = {20--30}, ISSN = {0304-3770}, year = {2018}, DOI = {10.1016/j.aquabot.2017.10.005}, URL = {https://www.documentation.ird.fr/hor/fdi:010071897}, }