Abstract
Although models have deepened understanding about how ecosystems may work, their application to decision-making in renewable resource problems has been limited. Part of the reason why they have not been used more may be because it is often only a single model that has been built, and this has been either too complex and general or too simple and specific to assist in making management decisions. In this note, it is argued that a "toolbox" of parsimonious, decision-driven models should be developed and used to aid decision-making. A schema which structures the decision environment is suggested as a method for systematically specifying a variety of different models for renewable resource problems. The approach is briefly demonstrated on the seal-fishery interaction in the Benguela ecosystem.
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