@article{fdi:010078723, title = {{I}nfertile landscapes on an old oceanic island : the biodiversity hotspot of {N}ew {C}aledonia}, author = {{P}illon, {Y}ohan and {J}affr{\'e}, {T}anguy and {B}irnbaum, {P}. and {B}ruy, {D}avid and {C}luzel, {D}. and {D}ucousso, {M}. and {F}ogliani, {B}. and {I}banez, {T}. and {J}ourdan, {H}erv{\'e} and {L}agarde, {L}. and {L}{\'e}opold, {A}. and {M}unzinger, {J}{\'e}r{\^o}me and {P}outeau, {R}obin and {R}ead, {J}. and {I}snard, {S}andrine}, editor = {}, language = {{ENG}}, abstract = {{T}he {OCBIL} theory comprises a set of hypotheses to comprehend the biota of old, climatically buffered, infertile landscapes ({OCBIL}s). {H}ere, we review evidence from the literature to evaluate the extent to which this theory could apply to the biodiversity hotspot of {N}ew {C}aledonia. {W}e present geological, pedological and climatic evidence suggesting how the island might qualify as an {OCBIL}. {T}he predictions of {OCBIL} theory are then reviewed in the context of {N}ew {C}aledonia. {T}here is evidence for a high rate of micro-endemism, accumulation of relict lineages, a high incidence of dioecy, myrmecochory and nutritional specializations in plants. {N}ew {C}aledonian vegetation also exhibits several types of monodominant formations that reveal the importance of disturbances on the island. {F}ires and tropical storms are likely to be important factors that contribute to the dynamic of {N}ew {C}aledonian ecosystems. {A}lthough naturally infertile, there is archaeological evidence that humans developed specific horticultural practices in the ultramafic landscapes of {N}ew {C}aledonia. {F}urther comparisons between {N}ew {C}aledonia and other areas of the world, such as {S}outh {A}frica and {S}outhwest {A}ustralia, are desirable, to develop the {OCBIL} theory into a more robust and generalized, testable framework and to determine the most efficient strategies to preserve their outstanding biodiversity.}, keywords = {{PAYSAGES} {VEGETAUX} ; {DYNAMIQUE} {DE} {VEGETATION} ; {GEOLOGIE} ; {PEDOLOGIE} ; {CLIMAT} ; {CYCLONE} {TROPICAL} ; {FEU} {DE} {BROUSSE} ; {METAL} {LOURD} ; {MYCORHIZE} ; {ENDEMISME} ; {BIODIVERSITE} ; {NOUVELLE} {CALEDONIE}}, booktitle = {}, journal = {{B}iological {J}ournal of the {L}innean {S}ociety}, volume = {133}, numero = {2}, pages = {317--341}, ISSN = {0024-4066}, year = {2021}, DOI = {10.10193/biolinnean/blaa146}, URL = {https://www.documentation.ird.fr/hor/fdi:010078723}, }