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Qualitative Modeling of Multispecies Fisheries: Putting Humans into the Equation

By Jeffrey Dambacher

ABSTRACT

Traditional fisheries management has often implemented population models that target harvest of a single species at optimum levels. Multispecies approaches to harvest management are rare, and even the best theoretical examples have treated harvest as external to the system. The most pressing challenge for adaptive management of multispecies fisheries is to incorporate humans into community level interactions, and to quickly generate and proceed from critical hypotheses. We present an overview of qualitative models of harvest in multispecies systems, and illustrate the consequences of alternative regulatory strategies.


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