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

被引:22
|
作者
Switzer, Theodore S. [1 ]
Chesney, Edward J. [2 ]
Baltz, Donald M. [3 ]
机构
[1] Florida Fish & Wildlife Conservat Commiss, Fish & Wildlife Res Inst, St Petersburg, FL 33701 USA
[2] Louisiana Univ Marine Consortium, Chauvin, LA 70344 USA
[3] Louisiana State Univ, Dept Oceanog & Coastal Sci, Baton Rouge, LA 70803 USA
关键词
LOW DISSOLVED-OXYGEN; LUTJANUS-CAMPECHANUS; SITE FIDELITY; PETROLEUM PLATFORM; OFFSHORE PLATFORMS; BROWN SHRIMP; FISH; GROWTH; SHELF; ABUNDANCE;
D O I
10.1080/00028487.2014.991447
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
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, <10,000 km(2)), moderate (10,000-19,999 km(2)), and severe (>= 20,000 km(2)) hypoxia through retrospective analyses of groundfish data from the Southeast Area Monitoring and Assessment Program. Significant interannual variability in the strength of juvenile recruitment was evident, and in general the weakest recruitment was observed during years of severe hypoxia. The relative abundance of juveniles in shallow (9-46 m) waters off central Louisiana was significantly reduced during years of severe hypoxia; this reduction was generally accompanied by an increase in relative abundance of Red Snapper longitudinally and in deeper waters. Patterns of habitat use during summer months varied in relation to hypoxia severity, with individuals occupying sites that were deeper, colder, and of higher salinity during years of severe hypoxia. Red Snapper also exhibited ontogenetic habitat shifts into deeper, cooler, and higher-salinity waters as fish size increased. In general, Red Snapper populations appear resilient to the broad-scale effects of severe hypoxia, although more localized effects may be in force but not evident because of the many factors affecting survival.
引用
收藏
页码:300 / 314
页数:15
相关论文
共 50 条
  • [41] Genetic impacts of shrimp trawling on red snapper (Lutjanus campechanus) in the northern Gulf of Mexico
    Saillant, Eric
    Bradfield, S. Coleen
    Gold, John R.
    ICES JOURNAL OF MARINE SCIENCE, 2006, 63 (04) : 705 - 713
  • [42] Red snapper recruitment to and disappearance from oil and gas platforms in the northern Gulf of Mexico
    Nieland, DL
    Wilson, CA
    FISHERIES, REEFS, AND OFFSHORE DEVELOPMENT, 2003, 36 : 73 - 81
  • [43] Predation Effects on Age-0 Red Snapper Lutjanus Campechanus on Artificial Reefs in the Northern Gulf of Mexico
    Auburn University
  • [44] Effects of Hypoxia on Sediment Properties in the Northern Gulf of Mexico
    Briggs, Kevin
    Watkins, Jan
    Shivarudrappa, Shivakumar
    Hartmann, Valerie
    OCEANS 2009, VOLS 1-3, 2009, : 2047 - +
  • [45] Proximity Effects of Larger Resident Fishes on Recruitment of Age-0 Red Snapper in the Northern Gulf of Mexico
    Mudrak, Peter A.
    Szedlmayer, Stephen T.
    TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY, 2012, 141 (02) : 487 - 494
  • [46] Discrimination of Juvenile Red Snapper Otolith Chemical Signatures from Gulf of Mexico Nursery Regions
    Sluis, Michelle Zapp
    Barnett, Beverly K.
    Patterson, William F., III
    Cowan, James H., Jr.
    Shiller, Alan M.
    MARINE AND COASTAL FISHERIES, 2012, 4 (01): : 587 - 598
  • [47] An overview of age and growth of red snapper in the Gulf of Mexico
    Fischer, Andrew J.
    RED SNAPPER ECOLOGY AND FISHERIES IN THE U.S. GULF OF MEXICO, 2007, 60 : 189 - 200
  • [48] Red Snapper Reproductive Biology in the Southern Gulf of Mexico
    Brule, Thierry
    Colas-Marrufo, Teresa
    Perez-Diaz, Esperanza
    Carlos Samano-Zapata, Juan
    TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY, 2010, 139 (04) : 957 - 968
  • [49] Use of bomb radiocarbon to validate otolith section ages of red snapper Lutjanus campechanus from the northern Gulf of Mexico
    Baker, MS
    Wilson, CA
    LIMNOLOGY AND OCEANOGRAPHY, 2001, 46 (07) : 1819 - 1824
  • [50] Age and growth of red snapper, Lutjanus campechanus, from the northern Gulf of Mexico off Louisiana
    Wilson, CA
    Nieland, DL
    FISHERY BULLETIN, 2001, 99 (04): : 653 - 664