Revision of the genus Navicula s.s. (Bacillariophyceae) in inland waters of the Sub-Antarctic and Antarctic with the description of five new species
Van de Vijver, B.; Zidarova, R.; Sterken, M.; Verleyen, E.; de Haan, M.; Vyverman, W.; Hinz, F.; Sabbe, K. (2011). Revision of the genus Navicula s.s. (Bacillariophyceae) in inland waters of the Sub-Antarctic and Antarctic with the description of five new species. Phycologia 50(3): 281-297. http://dx.doi.org/10.2216/10-49.1 In: Phycologia. International Phycological Society: Odense. ISSN 0031-8884; e-ISSN 2330-2968, more |  |
| Keywords | Bacillariophyceae [WoRMS]; Navicula J.B.M. Bory de Saint-Vincent, 1822 [WoRMS]
Fresh water | | Author keywords | Sub-Antarctic and Antarctic Region, Bacillariophyta, Diatoms, Morphology, Navicula, Taxonomy |
| Authors | | Top | - Van de Vijver, B., more
- Zidarova, R.
- Sterken, M., more
- Verleyen, E., more
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| Abstract | A revision of the diatom genus Navicula s.s. in inland water samples from the Sub-Antarctic and Antarctic resulted in the description of five new species, viz. Navicula australoshetlandica Van de Vijver sp. nov., N. dobrinatemniskovae Zidarova & Van de Vijver sp. nov., N. cremeri Van de Vijver & Zidarova sp. nov., N. conveyi Van de Vijver sp. nov. and Navicula bicephaloides Van de Vijver & Zidarova sp. nov. The new species are extensively compared with other similar species. The morphology and taxonomy of three other Navicula taxa present in the same materials are briefly discussed. A critical revision of literature reports of Navicula taxa in the Antarctic and Sub-Antarctic region indicates that despite the large number of records the genus is rather species-poor in the Sub-Antarctic and Antarctic. From a biogeographical point of view, there is a clear separation between the Sub-Antarctic localities in the southern Indian Ocean and the islands in the southern Atlantic Ocean, with several species showing a restricted biogeography. |
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