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Modeling fleet size in the Gulf of Mexico shrimp fishery, 1966-1979
  • Published Date:
    1989
Filetype[PDF - 859.80 KB]


Details:
  • Personal Authors:
  • Corporate Authors:
    United States, National Marine Fisheries Service., Southeast Region, ; United States, National Marine Fisheries Service, ;
  • Description:
    "The level of fishing effort applied by fishermen to common property resources is determined by the economic and biological conditions existing in the fishery. Since effort is maintained at the level where total costs are equal to total revenue, any increase in price or biomass level or decrease in cost will result in an expansion of fishing effort until the normal economic rents are dissipated. Effort levels can be altered in the short run by adjusting the variable factors of production such as crew size, days fished or trips, Long run changes in effort can be made by adjusting the fixed factors of production such as vessel length, hull material, or engine horsepower. Vessel entry and exit behavior and changes in the structure and size of the Gulf of Mexico shrimp fishing fleet are caused by these long run adjustments in fishing effort. The fleet size model developed here is designed to determine if existing data sets collected by the National Marine Fisheries Service can be used to measure the impact of changes in biological and economic conditions on the size and structure of the fleet"--Introduction.

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