Research Document - 2000/123
Framework for Pink (Chlamys rubida) and Spiny (C. hastata) Scallop Fisheries in Waters off the West Coast of Canada.
By R.B. Lauzier, S. Campagna, and R. Hinder
Abstract
A framework for assessment and management of the pink and spiny scallop dive and trawl fisheries is presented for these fisheries to proceed under scientific licence, and in a manner which collects key information for ongoing assessments and management. Components of the framework incorporate previously expressed concerns including distribution and abundance information, assessment of West Coast trawl gear impacts, development of the trawl fishery with a phased approach, locallized stock depletions, difficulty in species selectivity in the dive fishery. Suggestions for the resolution of these concerns are presented. Data requirements for a precautionary fishery are outlined including removal estimates, biomass estimates, and biological information. Assessment models and their data requirements are discussed. Alternative hypotheses, harvest strategies and effort controls are presented. Management options and their data requirements are presented.
Recommendations are made for the development of the pink and spiny scallop dive and trawl fisheries to follow the phased approach described in the Pacific Region Policy for New and Developing Fisheries, with suggestions on how this may be accomplished.
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