Adaptive Management of Renewable Resources

abundance actions adaptive management adaptive policy alternative models analysis assumed average B₁ B₂ balance model basic biomass British Columbia calculated catch changes Chapter choice components covariance covariance matrix decision defined density distribution dynamic programming economic effects equation equilibrium errors escapement EVPI example expected value experience experimental exploitation rate factors feedback policy Figure fish fisheries function growth harvest rate harvesting effort historical increase input interactions involves lake trout lamprey linear linear regression m₁ matrix measured ment monitoring mortality N₁ normally distributed observation optimal optimum options parameter estimates pattern population possible predator predictions probing problem R₁ random recruitment relationship replicates represent response result Ricker Ricker model salmon simple simulation sockeye salmon spawning stock statistical step stock size stock sizes stock-recruitment sufficient statistics surplus production survival rate tion u₁ uncertainty unknown parameters usually v₁ variables variance variation w₁ wide-sense y₁ yield