Adaptive Management of Renewable Resources

abundance actions adaptive management adaptive policy alternative models analysis assumed average B₁ balance model basic biomass calculated catch changes Chapter choice components 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 likelihood function linear linear regression logistic m₁ measured ment monitoring mortality normally distributed observation optimal optimum options parameter estimates pattern population possible predator predictions prey probability distribution probing problem 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 uncertainty unknown parameters usually variables variance variation wide-sense yield β₁ Σβ