Habitat Use by Juvenile Red Snapper in the Northern Gulf of Mexico: Ontogeny, Seasonality, and the Effects of Hypoxia

Red Snapper Lutjanus campechanus in the northern Gulf of Mexico are threatened by the combined influence of fishing pressures, the bycatch of juveniles in the shrimp trawl fishery, and the seasonal formation of hypoxic (≤2 mg/L O ₂) bottom water along the Louisiana–Texas continental shelf. Juveniles...

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Bibliographic Details
Published in:Transactions of the American Fisheries Society (1900) 2015-03, Vol.144 (2), p.300-314
Main Authors: Switzer, Theodore S, Chesney, Edward J, Baltz, Donald M
Format: Article
Language:English
Subjects:
anaerobic conditions
area
bycatch
continental shelf
Decapoda
demersal fish
habitat preferences
habitats
hypoxia
juveniles
Lutjanus campechanus
monitoring
ontogeny
plankton
risk
salinity
shrimp
summer
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Summary:Red Snapper Lutjanus campechanus in the northern Gulf of Mexico are threatened by the combined influence of fishing pressures, the bycatch of juveniles in the shrimp trawl fishery, and the seasonal formation of hypoxic (≤2 mg/L O ₂) bottom water along the Louisiana–Texas continental shelf. Juveniles are especially at risk from hypoxia because they leave the plankton and transition from pelagic to demersal habitats en masse during summer, when hypoxic conditions peak. We explored the influence of hypoxia on juvenile Red Snapper by examining habitat suitability during years with low (areal extent,
ISSN:1548-8659
0002-8487
1548-8659
DOI:10.1080/00028487.2014.991447