SCDNR Research and Monitoring: Habitat Needs of Different Life History Stages of Managed Reef Species Patrick J. Harris George R. Sedberry Marine Resources Research Institute SCDNR SedberryG@dnr.sc.gov SEA-GEOFISH Database http://www.csc.noaa.gov/seageofish/ SCDNR-MARMAP Samples 1973-2004 SEA-GEOFISH Database
Shelf Groundfish 1973-1977 Shelf Groundfish 1977-1980 MARMAP (Marine Resources Monitoring, Assessment & Prediction) Historical Data: Trawl Data 1973-1987 Shelf Groundfish Reef Fish Coastal Groundfish Reef Fish 1978-1987 Coastal Groundfish 1980-1987
Biomass of Forage Fishes Mean Catch per Yankee (Bottom) Trawl Tow, 1973-1980 Biomass of Lizardfishes (8 Species) Mean Catch per Yankee (Bottom) Trawl Tow, 1973-1980 (unexploited piscivores) Ammodytidae Argentinidae Branchiostomatidae Clupeidae Engraulidae Mugilidae Myctophidae Decapterus spp. X = number of collections in cell Consume 1.8 fish per day: ~ 12% of their own weight
MARMAP Historical Data: Ichthyoplankton Survey 1973-1983
Herring/Sardine (Clupeidae) Larvae Bongo 505 Winter SST Sea Bass (Centropristis spp). Larvae Bongo 505 X = number of collections in cell
MARMAP Current Routine Monitoring and Long-Term Data: Annual Summer Fish Trap Survey 1977 - Present Shelf & Shelf-Edge Reef Fishes Fish Trap & CTD
MARMAP Reef Fish Trap Survey Trap Camera Photos ( ~ 3000 in database)
Black Sea Bass Catch, Chevron Trap Survey
MARMAP Current Routine Monitoring and Long-Term Data: Annual Longline Survey (Baited Hook) 1979 - Present Upper Continental Slope Tilefish (Mud) Bottom Snowy Grouper Reef
a b
MARMAP Habitats Sampled Shelf Live Bottom 18-35 m Shelf-Edge Reef, 45-90 m Upper-Slope Reef 175-225 m Tilefish Mud Charleston Bump 175-225 m 400-900 m
Vermilion Snapper CPUE (Catch/Trap-hr + 1 s.d.) 20 15 10 5 0 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 Year
Routine Monitoring and Long-Term Data: Spawning Locations (28 spp.) Potential MPAs Life History Abundance Distribution Length Frequency Age & Growth Reproduction & Spawning
Broad Distribution on Shelf Protracted Spawning Season Black Sea Bass Bank Sea Bass Sand Perch* Tomtate Red Snapper Vermilion Snapper *not currently a managed species
Red Snapper Vermilion Snapper Blue = non-spawning. Red = spawning.
Moderate to Broad Distribution on Shelf Spawning Concentrated Near Shelf- Edge, Season Variable in Length Gag Scamp Greater Amberjack Knobbed Porgy Red Porgy Gray Triggerfish
Composite of Oysters Along the SC Coast Shellfish Based on the SCDNR 1980s Oyster Survey Gag (grouper) Blue = non-spawning Red = spawning = MPA sites
Charleston Bump Plankton Stations 2001-2002
MARMAP Plankton Stations 1973-1980 MARMAP Gag (Mycteroperca microlepis) Larvae 1973-1980
Early Spring Deployment
Gag Spawning
Gag Tagging Sites Recapture Sites
Tagging sites Recapture sites
Middle to Outer Shelf, Primarily off the Carolinas Less Protracted Spawning Season White Grunt Red Grouper
White Grunt Red Grouper Blue = non-spawning. Red = spawning.
Shelf-Edge and Continental Slope: Specific Habitat Requirements* Less Protracted Spawning Season Tilefish Blueline Tilefish Yellowedge Grouper Snowy Grouper Blackbelly Rosefish* Wreckfish Red Bream* Barrelfish* *including Charleston Bump: more later (S. Goldman) *not currently a managed species
Snowy Grouper Blueline Tilefish Blue = non-spawning. Red = spawning.
Less Common Grouper Species Less Protracted Spawning Season Yellowmouth Grouper Rock Hind Speckled Hind Graysby Coney Warsaw Grouper
Coney Graysby Warsaw Grouper
Wreckfish Vermilion & Red Snappers
Summer Deployment in Oculina HAPC Snowy Grouper (summer spawner)
Summer Deployment in Oculina HAPC
MARMAP Continuing Long-Term Data: Hydrographic Sampling 1973 - Present CDT: 1987-present (summer) MBT/XBT: 1973-1992 Bottle Cast: 1973-1986
Composite Bottom Temperature Winter (Dec Mar) Composite Bottom Temperature Summer (Jul Sep)
Fish Diversity from Trawl Catches 1973-1980 Composite Winter Bottom Temperature Winter (Dec -Mar)
Winter Spawners
Determine Spawning Locations and Drift of Eggs and Larvae, in Relation to MPA Sites and Oceanography
SCDNR Offshore Fisheries Research: Visual Data Ocean Exploration
SCDNR Offshore Fisheries Research: Visual Data: Ocean Exploration Digital Still Images and Video
Digital Atlas Interactive Map Application
OE Digital Atlas Interactive Map by Region Available Online Data Overlays from Outside Sources SEADESC = SAB Region Effort www.ncddc.noaa.gov\ocean-explorer\digitalatlas
SCDNR Offshore Fisheries Research: Sonar Charleston Bump 32 00'N 31 15' Coral Mounds
Sonar Mapping of Deep Reef-Fish Spawning Sites Use of side scan sonar to map reef features. Proposed N. Florida MPA Option 2
SEA-GEOFISH Database SouthEAst GEOgraphic Fishery-Independent Survey and Historical Database
http://www.csc.noaa.gov/seageofish/
= Black Sea Bass = Snowy Grouper http://www.csc.noaa.gov/seageofish/ "SEA-GEOFISH"
Marine A Resources Monitoring Assessment Prediction Baited Hook (1977-2005) Trap (1977-2005) Trawl (1973-1987) Plankton (1973-1983)