SEAMAP Real-time Plots for the year 2012

Week 4

Below is the fourth preliminary data summary for the 2012 SEAMAP Summer Shrimp/Groundfish Survey in the northern Gulf of Mexico. This week's summary includes sampling from June 18 through June 24 by the NOAA vessel Oregon II, Florida vessel Tommy Munro, and Texas vessels. Catch data from the Oregon II and Tommy Munro were taken with a 40-foot trawl while data from Texas were collected with a 20-foot trawl.

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 indicated that the highest catch rate of brown shrimp was 14.4 lb/hr in 13 fm at 28° 44' N. lat. and 93° 38' W. long. The highest catch rate of white shrimp was 6.7 lb/hr in 11 fm at 29° 05' N. lat. and 94° 46' W. long. The highest catch rate of pink shrimp was 2.3 lb/hr in 16 fm at 28° 47' N. lat. and 92° 58' W. long. The maximum total catch rate excluding the three shrimp species was 890 lb/hr in 26 fm at 26° 49' N. lat. and 83° 20' W. long.

Week 4 Results

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