Abstract
In situ zooplankton grazing rates on natural particle assemblages were stimated by measuring zooplankton uptake of labelled autotrophic (with Na14CO3) and heterotrophic (with [methyl-3H]-thymidine) particulate matter in 1-h incubations in clear, Plexiglas, Haney chambers. The in situ grazing rates are in the same range as those measured for zooplankton in the laboratory using standard particle counting techniques. A negative selection coefficient for 3H-labelled particles indicated a lower filtration efficiency or avoidance of these particles by zooplankton.
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Communicated by J. M. Lawrence, Tampa
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Roman, M.R., Rublee, P.A. A method to determine in situ zooplankton grazing rates on natural particle assemblages. Mar. Biol. 65, 303–309 (1981). https://doi.org/10.1007/BF00397126
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DOI: https://doi.org/10.1007/BF00397126