Dataset Categories and Collections Activity Stream Further Information on Sustained Yields from Fluctuating Environments The conclusions of Ricker (1958) are confirmed in series of 200 generations in which environment effects are simulated Data and Resources Further Information on Sustained Yields from Fluctuating EnvironmentsPDF Explore Preview Download 1960s canada eez catch rate catch statistics escapement exploitation rate harvest rate Additional Info Field Value Source URL Version Author Larkin, P.A. and W. E. Ricker Data Steward Fisheries Research Board of Canada Publication Year 1964