Estimation of Standardized Effort in the Heterogeneous Gulf of Mexico Shrimp Fleet

Griffin, Wade L. and Shah, Arvind K. and Nance , James M. (1997) Estimation of Standardized Effort in the Heterogeneous Gulf of Mexico Shrimp Fleet. Marine Fisheries Review, 59(3), pp. 23-33.

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Abstract

In this paper we estimate nominal and standardized shrimping effort in the Gulf of Mexico for the years 1965 through 1993. We accomplish this by first developing a standardization method (model) and then an expansion method (model). The expansion model estimates nominal days fished for noninterview landings data. The standardization model converts nominal days fished to standard days fished. We then characterize the historical trends of the penaeid shrimp fishery byvessel configuration, relative fishing power, and nominal and standardized effort. Wherever possible, we provide comparison with previous estimates by the National Marine Fisheries Service, NOAA.

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