National Oceanic and Atmospheric Administration Gulf of Mexico Data Atlas species distribution and abundance map layers generated from Southeast Area Monitoring and Assessment Program and National Marine Fisheries Service fisheries independent resource surveys in the Gulf of Mexico (NCEI Accession 0211874)
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Fishery-independent data from the Federal/State/University cooperative Southeast Area Monitoring and Assessment Program (SEAMAP) and the National Marine Fisheries Service Southeast Fisheries Science Center were used to generate maps of station locations, sampling effort and distribution and abundance of selected fish, shark and invertebrate species. The map layers for each species were summarized from SEAMAP Fall Plankton (1986-2016), SEAMAP Summer and Fall Bottom Trawl (1987-2018), SEAMAP Reef Fish Video (1995-2017) and NMFS Bottom Longline (2001-2018) surveys. Species specific information may be documented for a single or multiple surveys dependent upon available data.
Shrimp Survey Data
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The Northern Shrimp Survey was initiated in 1983 by the Atlantic States Marine Fisheries Commission (ASMFC) and monitors the relative abundance (number of shrimp), biomass (weight of shrimp), and composition of the northern shrimp stock throughout the Gulf of Maine. The data give an understanding of year class strength and sex stage and maturity of shrimp in the population. The survey focuses its efforts in offshore waters (in depths greater than 50 meters) and is timed to sample both males and females during the summer when they are expected to be offshore. The data it collects forms the basis of the annual northern shrimp assessment, which in turn, is used by fishery managers from Maine, New Hampshire and Massachusetts to set each yearâs fishing regulations.
San Antonio Bay 1986-1989
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The effect of salinity on utilization of shallow-water nursery habitats by aquatic fauna was assessed in San Antonio Bay, Texas. Overall, 272 samples were collected in a variety of marsh, vegetated, and non-vegetated habitats throughout the Bay system. Sampling began in fall 1986 and extended through fall 1989. Vegetated habitats, marsh, and submerged aquatic vegetation has significantly higher densities of fishes and decapod crustaceans than bare mud habitats.