Effect of grazing by a neotropical copepod, Notodiaptomus, on a natural cyanobacterial assemblage and on toxic and non-toxic cyanobacterial strains |
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| Authors: | Panosso Renata; Carlsson Per; Kozlowsky-Suzuki Betina; Azevedo Sandra M F O; Graneli Edna |
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| Institution: | 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 |
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| Abstract: | The neotropical, freshwater copepod Notodiaptomus iheringi decreasedthe growth of small colonies in cyanobacteria-dominated plankton,indicating that they can be efficiently ingested and that theymay represent an important food source for this copepod in reservoirsdominated by cyanobacteria. Cultured, colonial, toxic Microcystisaeruginosa was not affected, indicating that toxicity may causea decrease in its ingestion by N. iheringi. |
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