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Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsWillett KemptonWillett Kempton is a professor of marine policy in the College of Marine Studies at the University of Delaware and a contibuting editor of Environment. He may be reached at the College of Marine Studies, University of Delaware, Newark, DE 19716 (telephone: 302-831-0049; e-mail: willett@udel.edu).
Willett Kempton (Sat,) studied this question.