1. INSTITUTE FOR THE STUDY OF EARTH, OCEAN, AND SPACE, UNIVERSITY OF NEW HAMPSHIRE, COLLEGE ROAD, DURHAM, NH, USA
2. PRESENT ADDRESS: RUBENSTEIN ECOSYSTEM SCIENCE LABORATORY, UNIVERSITY OF VERMONT, COLLEGE STREET, BURLINGTON, VT, USA
3. DEPARTMENT OF MARINE SCIENCES, UNIVERSITY OF NORTH CAROLINA, SOUTH ROAD, CHAPEL HILL, NC, USA