The dogfish (Squalus acanthias) fishery of British Columbia, Canada, and its management

aiguillat datos sobre pesca desarrollo pesquero dogfish especies fisheries fisheries development fishery data fishery management fishery policies fishery production fishery resources gestion par objectif management by objectives pesca production halieutique recursos pesqueros reglamentaciones regulations rendement rendimiento ressource halieutique species squalus tollo yields