SEAMAP Real-time Plots for the year 2005


Week 2

Below is the second preliminary data summary for the 2005 SEAMAP Summer Shrimp/Groundfish Survey in the northern Gulf of Mexico. This week's summary includes sampling June 7 by the Alabama vessel A.E. Verrill and sampling June 7 by Texas vessels. Catch data from the A.E. Verrill were taken with a 40-ft trawl. 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-on. The squares on the charts are 10-minute grids. The number in each grid square is the average catch or count from all stations (may be one or more stations) that were sampled within a particular grid. The sampling stations were located randomly by depth zone.

The catch data from east of the Mississippi River indicated that all of the highest catches were recorded at one station in 7 fm at 30° 10' N. lat. and 88° 25' W. long. The highest catch rate of brown shrimp was 1.4 lb/hr. The highest catch rate of white shrimp was 16.8 lb/hr. The highest catch rate of pink shrimp was 2.8 lb/hr., while the maximum total catch rate excluding the three shrimp species was 172 lb/hr.

The catch data from Texas indicated that the highest catch rate of brown shrimp was 16.3 lb/hr in 6 fm at 29° 12' N. lat. and 94° 46' W. long. The highest catch rate for white shrimp was 21.4 lb/hr at the same station. No pink shrimp were caught off Texas during this sampling period. The maximum total catch rate excluding the three shrimp species was 211 lb/hr in 7 fm at 29° 11' N. lat. and 94° 46' W. long.

Sampling coverage for the next weekly report will be by the Mississippi vessel Tommy Munro, the NOAA vessel Oregon II, and Texas vessels.

Week 2 Results

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