CUI He, LIU Qun, WANG Yanjun. Application of a continuous Fox-form production model in fishery stock assessment[J]. South China Fisheries Science, 2008, 4(2): 34-42.
Citation: CUI He, LIU Qun, WANG Yanjun. Application of a continuous Fox-form production model in fishery stock assessment[J]. South China Fisheries Science, 2008, 4(2): 34-42.

Application of a continuous Fox-form production model in fishery stock assessment

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  • Received Date: November 15, 2007
  • Revised Date: January 16, 2008
  • Because of their simple form and relatively undemanding of data, surplus production models were widely used in fishery stock assessment. This paper used a continuous Fox-form production model to analyze 3 simulated fisheries and the North Atlantic swordfish fishery. The results of the simulated fisheries were compared to determine what fishery data condition is most suitable for the continuous Fox-form production model. Monte Carlo simulation analysis showed that the model performance for fishery 3 was better than those for the other two simulated fisheries. This may be because the exploitation process of fishery 3 is more complete and fishery 3 data contains more information. When white noise was less than 10%, the percentage biases were small, less than 3.3%. When the white noise was 50%, the percentage biases were large with the largest of 36.7%.

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