Journal of Plankton Research Vol.25 no.9 pp.1169-1175, 2003
© Oxford University Press 2003
SHORT COMMUNICATION |
Effect of grazing by a neotropical copepod, Notodiaptomus, on a natural cyanobacterial assemblage and on toxic and non-toxic cyanobacterial strains
Department of Microbiology/Parasitology, Universidade Federal Rio Grande Do Norte, Lagoa Nova, 59072 970 Natal, Brazil, 1 Marine Biology, Lund University, Campus Helsingborg, Box 882, 25108 Helsingborg, Sweden, 2 IBCCF, CCS, Universidade Federal Rio De Janeiro, 21941 590 Rio De Janeiro, Brazil and 3 Marine Sciences Department, Kalmar University, 39182 Kalmar, Sweden
* Corresponding Author: rpanosso{at}cb.ufrn.br
The neotropical, freshwater copepod Notodiaptomus iheringi decreased the growth of small colonies in cyanobacteria-dominated plankton, indicating that they can be efficiently ingested and that they may represent an important food source for this copepod in reservoirs dominated by cyanobacteria. Cultured, colonial, toxic Microcystis aeruginosa was not affected, indicating that toxicity may cause a decrease in its ingestion by N. iheringi.
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