Optimal Harvest in an Age Structured Model with Different Fishing Selectivity.

Skonhoft, Anders, Vestergaard, Niels and Quaas, Martin (2012) Optimal Harvest in an Age Structured Model with Different Fishing Selectivity. Environmental & Resource Economics, 51 (4). pp. 525-544.

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Abstract

An age structured model of a fishery is studied where two fishing fleets, or fishing agents, are targeting two different mature age classes of the fish stock. The agents are using different fishing gear with different fishing selectivity. The model includes young and old mature fish that can be harvested, in addition to an age class of immature fish. The paper describes the optimal harvesting policy under different assumptions on the objectives of the social planner and on fishing selectivity. First, biomass yield is maximized under perfect fishing selectivity, second, equilibrium profit (rent) is maximized under perfect fishing selectivity, and third, equilibrium profit is maximized under imperfect fishing selectivity. The paper provides results that differ significantly from the standard lumped parameter (also surplus production, or biomass) model.

Document Type: Article
Research affiliation: OceanRep > The Future Ocean - Cluster of Excellence > FO-R05
Kiel University
OceanRep > The Future Ocean - Cluster of Excellence
OceanRep > The Future Ocean - Cluster of Excellence > FO-R03
OceanRep > The Future Ocean - Cluster of Excellence > FO-R10
OceanRep > The Future Ocean - Cluster of Excellence > FO-R06
OceanRep > The Future Ocean - Cluster of Excellence > FO-R02
OceanRep > The Future Ocean - Cluster of Excellence > FO-R01
Refereed: Yes
ISSN: 0924-6460
Projects: Future Ocean
Date Deposited: 14 May 2014 09:35
Last Modified: 06 Apr 2017 10:10
URI: http://oceanrep.geomar.de/id/eprint/24262

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