@article{fdi:010066650, title = {{M}arine flora of the {I}les {E}parses ({S}cattered {I}slands) : a longitudinal transect through the {M}ozambique {C}hannel}, author = {{M}attio, {L}. and {Z}ubia, {M}. and {M}aneveldt, {G}. {W}. and {A}nderson, {R}. {J}. and {B}olton, {J}. {J}. and de {G}aillande, {C}. and {D}e {C}lerck, {O}. and {P}ayri, {C}laude}, editor = {}, language = {{ENG}}, abstract = {{T}he diversity of marine macrophytes of small islands in the {S}outh {W}estern {I}ndian {O}cean region has been poorly documented and little or no information is available for the {I}les {E}parses (or {S}cattered {I}slands) in the {M}ozambique {C}hannel. {W}e present the first species checklist for the three largest islands of the {I}les {E}parses: {E}uropa, {J}uan de {N}ova and {G}lorioso. {O}verall, with a total of 321 marine macrophyte species recorded (incl. 56% {R}hodophyta, 27% {C}hlorophyta, 15% {P}haeophyceae and 2% {M}agnoliophyta; {E}uropa: 134 spp., {J}uan de {N}ova: 157 spp. and {G}lorioso: 170 spp.) these islands harbour 23.5% of the total species recorded for the {M}ozambique {C}hannel region. {W}e report 36 new records for the {M}ozambique {C}hannel including 29 undescribed new and cryptic species. {O}ur results highlight a decrease in species richness southward in the {C}hannel. {B}ecause of their longitudinal arrangement between the northern and the southern ends of the {C}hannel and their central position, {E}uropa, {J}uan de {N}ova and {G}lorioso {I}slands represent data points of particular biogeographical interest and could be critical 'stepping stones' for connectivity in the highly dynamic {M}ozambique {C}hannel region.}, keywords = {{B}iogeography ; {C}onnectivity ; {D}iversity ; {M}acroalgae ; {S}eagrasses ; {W}estern {I}ndian {O}cean ; {OCEAN} {INDIEN} {OUEST} ; {MOZAMBIQUE} {CANAL} ; {EPARSES} {ILES} ; {EUROPA} {ILE} ; {JUAN} {DE} {NOVA} {ILE} ; {GLORIOSO} {ARCHIPEL}}, booktitle = {}, journal = {{A}cta {O}ecologica}, volume = {72}, numero = {no sp{\'e}cial}, pages = {33--40}, ISSN = {1146-609{X}}, year = {2016}, DOI = {10.1016/j.actao.2015.09.001}, URL = {https://www.documentation.ird.fr/hor/fdi:010066650}, }