SEAMAP Real-time Plots for the year 2003


Week 1

This is the first preliminary data summary for the 2003 SEAMAP Summer Shrimp/Groundfish Survey in the northern Gulf of Mexico. This week's summary includes sampling from June 2 through June 4 by Texas vessels sampling Texas' inshore and offshore waters. Catch data from the Texas vessels were taken with 20-ft trawls.

Plotted catch rates have been converted to pounds per hour for a 40-ft trawl (20-ft trawl x 2). Shrimp counts are heads-off. Catch rates for finfish are given in the charts divided by 10; e.g., a charted catch rate of 19 means 190 lb/hr. The squares on the charts are 10-minute grids and contain an average catch or count from one or more sampling stations within a particular grid. The sampling stations were located randomly by depth zone.

The catch data west of the River indicated that the highest brown shrimp catch rate was 4.8 lb/hr of 53-count shrimp at 29°32.5' N. lat. and 93°55.8' W. long., in 6 fm. The catch data west of the River indicated that the highest white shrimp catch rate was 8.5 lb/hr of 20-count shrimp at 29°34.5' N. lat. and 93°34.2' W. long., in 5 fm. No pink shrimp were caught west of the River during this sampling period. The highest finfish catch rate west of the River was 126 lb/hr reported in 4 fm at 29°35.5' N. lat. and 93°52.4' W. long., with Atlantic croaker being the predominant finfish species.

The catch data from Texas indicated that the highest catch rate of brown shrimp was 31.2 lb/hr of 131-count shrimp in 6 fm at 29°21.8' N. lat. and 94°33.3' W. long. The highest catch rates for white shrimp were 22.8 lb/hr of 19-count shrimp in 6fm at 28°27.5' N. lat. and 96°13.5' W. long. The catch data from Texas indicated that the highest catch rate of pink shrimp was 0.5 lb/hr of 109-count shrimp in 12 fm at 26°05.8' N. lat. and 97°02.5' W. long. The maximum finfish catch rate was 212 lb/hr in 6 fm at 28°27.5' N. lat. and 96°13.5' W. long., with Atlantic croaker being the predominant finfish species.

Week 1 Results

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