Affiliation: | Science Branch, Department of Fisheries and Oceans PO Box 5667, St John's, Newfoundland, Canada, A1C 5X1 (tel.: +1 709 772 2076; Fax: +1 709 772 4105; e-mail: dawe{at}athena.nwafc.nf.ca) Bedford Institute of Oceanography PO Box 1006, Dartmouth, Nova Scotia, Canada, B2Y 4A2 |