Lake Victoria Fisheries:
Policy Conflicts Induced by Predator-Prey Relations

Gardner Brown - Professor of Economics (Emeritus), University of Washington

Seminar Abstract

Economic efficient resource use is just one policy goal. Foreign exchange earnings, employment for women and healthy people are other goals promulgated by Tanzania, Kenya and Uganda in the management of Lake Victoria Fisheries. That these social goals are in conflict is vividly portrayed in the bioeconomic predator-prey model where favoring a particular species (goal) reduces the sustainable harvest of another species (goal). Species interdependence is increasingly important to understand. However, traditional concepts such as maximum sustained yield take on a new meaning. To be operational, fishery biologists and other researchers must choose an explicit value for each fish, a rate of exchange.


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