• A bioeconomic analysis of the Norwegian spring spawning herring (Nssh) stock 

      Bjørndal, Trond; Ussif, Al-Amin M.; Sumaila, Ussif Rashid (Working paper, Working paper, 2003-03)
      A biological model, belonging to the Beverton and Holt age-structured family, for the Norwegian spring spawning herring (NSSH) is simulated, the outcome of which compares well with actual data on the fishery. This model ...
    • Towards monitoring the world’s fishery resources using viability indices 

      Ussif, Al-Amin M.; Sumaila, Ussif Rashid; Bjørndal, Trond (Working paper, Working paper, 2004-05)
      This paper develops an easy to use and cost efficient index for the assessment of stock viability in fisheries management and bioeconomic analysis. The index is predicated on biological and economic theory, and can be ...