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MEPS 269:153-162 (2004)
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Abstract
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Zooplankton use of chemodetection to find and eat particles
George A. Jackson1,*, Thomas Kiørboe2
1Department of Oceanography, Texas A&M University, College Station, Texas 77843-3146, USA
2Danish Institute for Fisheries Research, Kavalergården 6, 2920 Charlottenlund, Denmark
*Email: gjackson@tamu.edu
ABSTRACT: The ability of raptorial zooplankton to find large particles such as marine aggregates is crucial to their use of the particles as food and to the fate of the particles. Kiørboe & Thygesen (2001) developed a numerical approach to describe
particle detection by chemosensory zooplankton. In this paper, we develop and test a simplified mathematical description of the process and explore the ecological implications of chemosensory particle detection. Our results suggest that chemosensory
particle detection can be more efficient than hydrodynamic detection. The exact extent depends greatly on the sensitivity of chemodetection in zooplankton, a process that has not been well studied experimentally.
KEY WORDS: Marine snow · Zooplankton feeding · Plumes · Hydromechanical signals · Chemical signals
Full text in pdf format
Published in MEPS Vol.
269
(2004) on March 25
Print ISSN: 0171-8630; Online ISSN: 1616-1599.
Copyright © Inter-Research, Oldendorf/Luhe, 2004
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