Affiliation: | IFREMER, Département des Ressources Halieutiques 1 rue Jean Vilar, BP 171, 34203, Sète Cedex, France. [e-mail: Jean.Marc.Fromentin{at}ifremer.fr] Institute of Marine Research, Flødevigen Marine Research Station N-4817, His, Norway University of Oslo, Division of Zoology, Department of Biology PO Box 1050 Blindern, N-0316, Oslo, Norway [e-mail: n.c.stenseth{at}bio.uio.no] |