SEAMAP-SA (Southeast Area Monitoring and Assessment Program) (South Atlantic) Shallow Water Trawl Survey
SEAMAP Stations
Types of Data Annual / Seasonal/ Regional Species occurrence Species abundance Biomass Life History Age-growth Maturity Hydrographic Data Salinity Temperature Wave height.
Seasons Sampled Spring: April – May Summer: July – August Fall: October - November
Year Strata 51 Strata Number of Trawl Samples/Season in Myrtle Beach Area
Catch from a 20 minute tow..
Most biological data is entered directly into a database as animals are counted or measured.
High Priority Decapod Crustaceans White Shrimp Brown Shrimp Pink ShrimpBlue Crab
High Priority Finfish Structure Surface Mid/Bottom Bottom
Marine Turtles Four species of marine turtle are encountered All data is reported to federal & state monitoring agencies LoggerheadLeatherback RidleyGreen (not pictured).
Age-Growth / Reproduction Otoliths are removed in the field and returned to the lab for processing Gonad tissue is removed in the field Age is determined from an otolith cross section Microscopic evaluation in the lab verifies field maturity assessment