New Caledonia third largest island in the Pacific after New Zealand and Papua New Guinea. Surrounded by reefs length of 1,600 km., The largest continuous barrier in its own way. Most of the land, intersected by a mountain range with a maximum height of 1600 meters has an amazing flora, 75 of which are endemic species. Described about 3,500 species. Natural heritage lands and seas of New Caledonia a paradise for scientists. The Nature Conservancy here is based on careful research and directories of existing species. This environment is also unique as fragile, and it is especially sensitive to biological invasions.