JOHN E. PETERSEN,^* W. MICHAEL KEMP,^** RICK BARTLESON,^*** WALTER R. BOYNTON,^**** CHUNG-CHI CHEN,^***** JEFFREY C. CORNWELL,^** ROBERT H. GARDNER,^****** DEBORAH C. HINKLE,^** EDWARD D. HOUDE,^**** THOMAS C. MALONE,^** WILLIAM P. MOWITT,^******* LAURA MURRAY,^** LAWRENCE P. SANFORD,^** J. COURT STEVENSON,^** KAREN L. SUNDBERG,^******** STEVE E. SUTTLES<sup>**


*</sup>John E. Petersen (john.petersen@oberlin.edu) is an assistant professor of environmental studies and biology at Oberlin College, Oberlin, OH 44074.
^**W. Michael Kemp is a professor, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.
^***Thomas C. Malone is a professor, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.
^****Lawrence P. Sanford is a professor, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.
^*****Jeffrey C. Cornwell is a research associate professor, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.
^******Laura Murray is a research associate professor, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.
^*******J. Court Stevenson is a professor, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.
^********Deborah C. Hinkle is a senior faculty resident assistant, at the University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD 21613.