Some Nitzschia and related diatom species from fast ice samples in the Arctic and Antarctic |
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| Authors: | Linda K Medlin Grethe R Hasle |
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| Institution: | (1) Botany Department, University of Bristol, BS8 1UG Bristol, UK;(2) Department of Biology, Marine Botany, University of Oslo, Blindern, P.O. Box 1069, N-0316 Oslo 3, Norway |
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| Abstract: | Summary Some Nitzschia and closely related species have been examined in the light and electron microscopes from fast ice samples in the Arctic and Antarctic. Nitzschia neofrigida, forming arborescent colonies, and Nitzschia promare, forming loose ribbon colonies, are described as new species, both probably included in the distribution of other similar species. A new combination, Auricula compacta, represents the first report of this genus from ice samples. Colony formation is reported for the first time in Nitzschia arctica and Nitzschia taeniiformis. No biopolar species were found and several reports of Arctic species in Antarctic ice samples have been refuted. |
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