1. Center for Marine Sciences and Technology Department of Applied Ecology North Carolina State University Morehead City North Carolina 28557 USA
2. Department of Applied Ecology North Carolina State University Raleigh North Carolina 27695 USA
3. Department of Marine and Coastal Science Rutgers University Marine Field Station Tuckerton New Jersey 08087 USA
4. National Oceanic and Atmospheric Administration Northeast Fisheries Science Center J. James Howard Marine Sciences Laboratory Highlands New Jersey 07732 USA