New Caledonia Their social organization is traditionally based around clans, which identify as either "land" or "sea" clans, depending on their original location and the occupation of their ancestors. According to the 2009 census, the Kanak constitute 94% of the population in the Loyalty Islands Province, 74% in the North Province and 27% in the South Province. The Kanak tend to be of lower socio-economic status than the Europeans and other settlers. Europeans first settled in New Caledonia when France established a penal colony on the archipelago. Once the prisoners had completed their sentences, they were given land to settle. According to
Biodiversity of New Caledonia while 27 are considered extinct. The Gymnosperms are more common on exposed ridges or next to rivers or creeks in floodplains. Their concentration is important at individual locations which provide lifesaving refugia, because environmental conditions make interspecific competition less severe. Four genera, "Araucaria", "Libocedrus", "Prumnopitys" and "Retrophyllum" that populate the subantarctic Pacific, have endemic species in New Caledonia. The genus "Acmopyle" (Podocarpaceae), currently present in New Caledonia and Fiji, is a fossil in Patagonia. There are 13 endemic species of "Araucaria", including "A. rulei" and "A. columnaris". The island shares some "Araucaria" species with Australia's Norfolk Island. Many, if not