[1] Univ Georgia, Dept Marine Sci, Athens, GA 30605 USA
[2] Univ So Mississippi, Dept Marine Sci, Stennis Space Ctr, MS 39523 USA
[3] Univ Calif Santa Barbara, Inst Marine Sci, Santa Barbara, CA 93106 USA
[4] Georgia Inst Technol, Sch Biol, Atlanta, GA 30332 USA
[5] Univ S Carolina, Dept Earth & Ocean Sci, Columbia, SC 29208 USA
[6] US Geol Survey, Southeast Ecol Sci Ctr, Gainesville, FL 32653 USA
[7] Univ Mississippi, Natl Inst Undersea Sci & Technol, Oxford, MS 38677 USA