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Copepods under turbulence: grazing, behavior and metabolic rates

AuthorsAlcaraz, Miquel
Rate processes
Plankton ecosystems
Issue DateMar-1997
PublisherConsejo Superior de Investigaciones Científicas (España)
CitationScientia Marina 61(S1): 177-195 (1997)
AbstractThis review focuses on the effects of small-scale turbulence on the rate processes of copepods, an important group of planktonic animals, and on their consequences for the dynamics of pelagic ecosystems. Turbulent water motion enhances the encounter rates between planktonic organisms and their food, changing the perception of the food environment for copepods and other planktonic animals. As a consequence, their feeding behaviour is affected, and the grazing rates significantly increased. Direct effects of small-scale turbulence for planktonic copepods also include the enhancement of metabolic energy expenditure, excretion rates, growth, and development rates. Through complex cumulative processes of the changes on individual rate-processes, the structural and functional properties of planktonic ecosystems are modified, with important consequences for the ultimate fate of biogenic carbon in aquatic systems
Description19 páginas, 11 figuras, 8 tablas.-- Contribución a "Lectures on Plankton and Turbulence" (C. Marrasé, E. Saiz and J.M. Redondo, eds)
Publisher version (URL)http://www.icm.csic.es/scimar/index.php/secId/6/IdArt/27/
Appears in Collections:(ICM) Artículos
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