JOURNAL OF PLANKTON RESEARCH | VOLUME 11 | NUMBER 2 | PAGES 415-417 | 1989
© Oxford University Press
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The encounter speed of moving predator and prey
Department of Fisheries and Oceans, Science Branch PO Box 5667, St John's, Newfoundland, Canada A1C 5X1
Received on April 26, 1988; accepted on December 6, 1988
A Gaussian model for the distribution of swimming velocities of planktonic organisms predicts that if predator and prey have modal speeds v and u respectively, then their modal relative speed is simply
(u2+v2). This is more convenient, and no less realistic, than more complicated formulas.
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