Robert G. Campbell, University of Rhode Island, Graduate School of Oceanography, United States, Carin J Ashjian, Woods Hole Oceaonographic Institution, Woods Hole, MA, United States, Celia Gelfman, University of Rhode Island, Graduate School of Oceanography, Kingston, United States, John Wigglesworth, Woods Hole Oceanographic Institution, Woods Hole, United States, Lee W Cooper, University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory, Solomons, United States and Cedric Magen, University of Maryland College Park, Department of Geology, College Park, United States