Silicate and the functional geometry of marine phytoplankton

Sommer, Ulrich (1998) Silicate and the functional geometry of marine phytoplankton Journal of Plankton Research, 20 (9). pp. 1853-1859. DOI 10.1093/plankt/20.9.1853.

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Abstract

The impact of nutrient supply ratios on the functional geometry of phytoplankton has been studied by means of competition experiments with phytoplankton communities from the Arabian Sea. Cell length and deviation from spherical shape of dominant competitors increased with Si:N ratios.Surface:volume ratios were minimal at intermediate Si:N ratios. Grazing by the rotifer Brachionus plicatilis did not lead to a qualitative shift in the response of geometric properties to Si:N ratios; however, mean cell lengths increased while surface:volume ratios decreased.

Document Type: Article
Keywords: Food Webs; marine phytoplankton; SONNE 120
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-N Experimental Ecology - Food Webs
Refereed: Yes
DOI etc.: 10.1093/plankt/20.9.1853
ISSN: 0142-7873
Projects: JGOFS
Expeditions/Models:
Date Deposited: 27 Mar 2012 09:03
Last Modified: 06 Jul 2012 15:12
URI: http://eprints.uni-kiel.de/id/eprint/14112

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