@article{fdi:010063699, title = {{T}he importance of novel and hybrid habitats for plant conservation on islands : a case study from {M}oorea ({S}outh {P}acific)}, author = {{M}eyer, {J}. {Y}. and {P}outeau, {R}obin and {S}potswood, {E}. and {T}aputuarai, {R}. and {F}ourdrigniez, {M}.}, editor = {}, language = {{ENG}}, abstract = {{B}iotic homogenization caused by the invasion of non-native (alien) species is recognized as one of the main drivers of biodiversity erosion in island ecosystems. {C}onservation on islands is also often challenged by limited data on the distribution of remaining native habitats and threatened native and endemic species. {W}e combine botanical survey data and habitat mapping through remote sensing and {GIS} to illustrate how multiple data sources can be used together to provide a synoptic view of the spatial distribution of native, naturalized and invasive alien plant species at an island scale, using the case study of {M}oorea ({F}rench {P}olynesia), a small (135 km(2)) tropical high volcanic island in the {S}outh {P}acific. {R}esults reveal that (i) 42 % of the rare and threatened native and endemic plant species are currently found in native habitats representing only 6 % of the island (8 km(2)); (ii) 49 % of these species occupy "hybrid" habitats covering 45 % of the island area (60 km(2)) where native species co-occur with naturalized non-native species; and (iii) 9 % of these species occur in 17 % of the island (23 km(2)) considered "novel" habitats that are highly invaded by alien plants that form dense monotypic stands. {W}e conclude that conservation efforts and priorities should not neglect these novel and hybrid habitats on {M}oorea where many rare and threatened plants are found. {I}nnovative strategies adapted to current conditions should be emphasized on small islands where conservation resources are often limited.}, keywords = {{A}nthropogenic disturbances ; {F}rench {P}olynesia ; {H}abitat mapping ; {N}aturalized flora ; {P}lant invasion ; {P}rioritization ; {POLYNESIE} {FRANCAISE} ; {MOOREA}}, booktitle = {}, journal = {{B}iodiversity and {C}onservation}, volume = {24}, numero = {1}, pages = {83--101}, ISSN = {0960-3115}, year = {2015}, DOI = {10.1007/s10531-014-0791-6}, URL = {https://www.documentation.ird.fr/hor/fdi:010063699}, }