SEAMAP Real-time Plots for the year 2003


Week 4

This is the fourth 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 25 through June 29 by the NOAA Ship OREGON II off the Texas coast and sampling from Texas vessels on June 23 and June 24. Catch data from the OREGON II were taken with a 40-ft trawl. Catch data from the Texas vessels were taken with 20-ft trawls.

Catch rates have been converted to pounds per hour for a 40-ft trawl. 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 for Texas indicated that the highest brown shrimp catch rate was 96.3 lb/hr of 106-count shrimp at 28°01.6' N. lat. and 96°25.9' W. long., in 15 fm. The highest white shrimp catch rate was 37.0 lb/hr of 16-count shrimp at 28°05.4' N. lat. and 96°44.9' W. long., in 6 fm. The highest pink shrimp catch rate was 10.9 lb/hr of 69-count shrimp at 28°07.5' N. lat. and 96°34.9' W. long., in 9 fm. The highest finfish catch rate for Texas was 441 lb/hr reported in 9 fm at 28°34.7' N. lat. and 95°40.0' W. long., with trout being the predominant finfish species.

Week 4 Results

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