Blar i forfatter Artikler, rapporter og annet (Norges fiskerihøgskole) "Wikan, Arild"
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Optimal Selection and Effort in a Fishery on a Stock with Cannibalistic Behaviour : The Case of the Northeast Arctic Cod Fisheries
Eide, Arne; Wikan, Arild (Journal article; Tidsskriftartikkel; Peer reviewed, 2010)We explore a fishery targeting the mature part of a stock, while bycatching the immature part. Both targeted catch and bycatch may have positive market values. Cost of effort is supposed to be a function of the selection properties of the fishing gears. Mature fish is assumed to cannibalise on the immature part of the stock. A bioeconomic model of the problem is set up and it is shown that the model ...