Nitrogenous nutrition of the potentially toxic diatom Pseudonitzschia pungens f. multiseries Hasle

Hillebrand, Helmut and Sommer, Ulrich (1996) Nitrogenous nutrition of the potentially toxic diatom Pseudonitzschia pungens f. multiseries Hasle Journal of Plankton Research, 18 (2). pp. 295-301. DOI 10.1093/plankt/18.2.295.

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Abstract

The potentially toxic diatom Pseudonitzschia pungens f. multiseries was grown on different sources of nitrogen in batch cultures. Ammonium did not support growth at concentrations >200 μM, and even lowered the growth rate, when it was supplied in addition to growth-saturating nitrate concentrations. This seemed to be a combined effect of inhibition of nitrate uptake and direct ammonia toxicity. Urea, glutamine and nitrite were used readily by P.pungens.

Document Type: Article
Keywords: Food Webs; Pseudonitzschia pungens f.
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-N Experimental Ecology - Food Webs
Refereed: Yes
DOI etc.: 10.1093/plankt/18.2.295
ISSN: 0142-7873
Date Deposited: 27 Mar 2012 08:21
Last Modified: 06 Jul 2012 14:58
URI: http://eprints.uni-kiel.de/id/eprint/14115

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