The deep sea : the multiple challenges of a poorly-known world New Caledonia, ocean of knowledge : a scientific odyssey in the Natural Park of the Coral Sea Collot, J. /Le Meur, Pierre-Yves Samadi, S. (coord.) Etienne, S. Patriat, M. /Sabinot, Catherine Wickel, A. IRD PUNC /Payri, Claude (ed.) 2025 text https://www.documentation.ird.fr/hor/fdi:010095144 fdi:010095144 Collot J., Le Meur Pierre-Yves, Samadi S. (coord.), Etienne S., Patriat M., Sabinot Catherine, Wickel A.. The deep sea : the multiple challenges of a poorly-known world. In : Payri Claude (ed.), . New Caledonia, ocean of knowledge : a scientific odyssey in the Natural Park of the Coral Sea IRD ; PUNC, 2025, 77-91 EN NOUVELLE CALEDONIE PACIFIQUE MER DE CORAIL