translate English to French: Approximately 90 percent of the fish biomass in Lake Erie is forage fish, and most of this is produced in wetlands (Keast et al., 1978; Stephenson, 1988; 1990).
Environ 90 % de la biomasse de poisson du lac Ã‰riÃ© est constituÃ©e de poissons fourrages, dont la plupart sont issus des milieux humides.