Optimal exploitation of a spatially distributed fishery
Exploitation of a fish population distributed in a habitat bounded on one side by a breeding ground and on the other by an unfavorable environment is studied. The population's dynamics on the breeding grounds are assumed to be described by a simple depensatory function. The effects on this population of harvesting by a fishing fleet are determined as maximum effort and harvesting quotas are varied. In particular, threshold values for these parameters are derived beyond which an open access fishery collapses. Competition with an external fleet and dynamic optimization are discussed briefly.
KeywordsEquilibrium Problem Breeding Ground Unfavorable Environment Fishing Fleet Adult Habitat
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