Title
Revision of the genus **Navicula** s.s. (Bacillariophyceae) in inland waters of the Sub-Antarctic and Antarctic with the description of five new species Revision of the genus **Navicula** s.s. (Bacillariophyceae) in inland waters of the Sub-Antarctic and Antarctic with the description of five new species
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
Berkeley, Calif. ,
Subject
Biology
Source (journal)
Phycologia. - Berkeley, Calif.
Volume/pages
50(2011) :3 , p. 281-297
ISSN
0031-8884
ISI
000290690100006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
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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