Institution: | Laboratoire d'écologie hydrobiologique, Institut national de la recherche agronomique, 65 rue de St Brieuc, 35042 Rennes Cedex, France;Marine and Anadromous Fish Division, Science Branch, Gulf Fisheries Centre, Department of Fisheries and Oceans, P.O. Box 5030, Moncton, New Brunswick, EIC 9B6, Canada |