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Free Content Quantifying Copepod Searching Efficiency Using Swimming Pattern and Perceptive Ability

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Abstract:

Three dimensional position data were obtained for swimming paths of females of the calanoid copepod Centropages velificatus. Parameters such as average swimming velocity, net-to-gross displacement ratio, average turning angle, and fractal dimension have been utilized to relate zooplankton swimming behavior to encounter rate. In the current study, a new parameter termed “realized encounter volume” is introduced. Realized encounter volumes allow searching efficiency to be described in terms of efficiency of space utilization, rather than in terms of encounter rate. The influence of perceptive ability and movement patterns on foraging efficiency can therefore be quantified, and the utility of different behaviors can be compared.

Document Type: Research Article

Publication date: July 1, 1993

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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