Abstract
Data from the literature are used to assess some hypothesised adaptive advantages of the flagellate life form among phytoplankton. Possible advantages include increased nutrient uptake by movement through a homogeneous medium as opposed to exploitation of spatial hetrogeneity of the environment. Maximal migrational amplitudes and maximal swimming velocities of phytoflagellates were compared to body size. Both were found to increase with size. Relative amplitudes and relative velocities, however, were found to decrease with size. Hydrophysical considerations show that additional gain of nutrients by swimming through a homogeneous medium is only minimal for small flagellates at their attainable swimming velocities. It is suggested that exploitation of environmental heterogeneity in nutrient distribution may be one of the most important advantages for flagellates over coccoid algae.
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© 1988 Kluwer Academic Publishers
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Sommer, U. (1988). Some size relationships in phytoflagellate motility. In: Jones, R.I., Ilmavirta, V. (eds) Flagellates in Freshwater Ecosystems. Developments in Hydrobiology, vol 45. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3097-1_10
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DOI: https://doi.org/10.1007/978-94-009-3097-1_10
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