Geography of New Caledonia Ni-Vanuatu (1.2%), and various other groups (3.9%), Tamils, other South Asians, Berbers, Japanese, Chinese, Fijians, Arabs, West Indian (mostly from other French territories) and a small number of ethnic Africans. "Other microcontinental islands:" Geography of New Caledonia The geography of New Caledonia ("Nouvelle-Calédonie"), an overseas collectivity of France located in the subregion of Melanesia, makes the continental island group unique in the southwest Pacific. Among other things, the island chain has played a role in preserving unique biological lineages from the Mesozoic. It served as a waystation in the expansion of the predecessors of the Polynesians, the Lapita culture. Under
Biodiversity of New Caledonia coral reef fish; all photographs here are from New Caledonian specimens. Biodiversity of New Caledonia The biodiversity of New Caledonia is of exceptional biological and paleoecological interest. It is frequently referred to as a biodiversity hotspot. The country is a large South Pacific archipelago with a total land area of more than . The terrain includes a variety of reefs, atolls, small islands, and a variety of topographical and edaphic regions on the largest island, all of which promote the development of unusually concentrated biodiversity. The region's climate is oceanic and tropical. New Caledonia is separated from the nearest mainland