Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas
10 pages, 6 figures, 2 tables
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American Society of Limnology and Oceanography
2005
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| Online Access: | http://hdl.handle.net/10261/27514 |
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dig-icm-es-10261-275142020-11-03T12:29:45Z Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas Not, Fabrice Massana, Ramon Latasa, Mikel Marie, Dominique Colson, Céline Eikrem, Wenche Pedrós-Alió, Carlos Vaulot, Daniel Simon, Nathalie 10 pages, 6 figures, 2 tables We investigated marine picoeukaryotic diversity (cells ,3 mm) in samples collected in late summer 2002 at the boundary between the Norwegian, Greenland, and Barents Seas. The two main Arctic and Atlantic water masses in this region are separated by the polar front. We combined total counts of picoeukaryotes assemblages by flow cytometry and epifluorescence microscopy with taxa detection by tyramide signal amplification–fluorescent in situ hybridization (TSAFISH) and high performance liquid chromatography (HPLC) pigment analyses. The picoeukaryotic community was primarily composed of photoautotrophs (75% of the cells on average). Members of the division Chlorophyta, in particular the species Micromonas pusilla (Butcher) Manton and Parke, were the major components in truly Arctic waters (32% of the picoeukaryotes, maximum 3,200 cells ml21). M. pusilla was also well represented in coastal waters and at the polar front (25% of the picoeukaryotes, maximum 9,100 cells ml21). Haptophyta were prominent in more typical Atlantic waters (up to 35% of the picoeukaryotes, maximum 4,500 cells ml21). Quantification of haptophyte biomass by HPLC pigment analyses and CHEMTAX, and haptophyte abundances by TSA-FISH were in good agreement. This confirms previous studies, which suggested that M. pusilla is a dominant contributor of picoeukaryotic communities in both coastal and nutrient rich environments, whereas haptophytes seem to be more important in open seawaters Peer reviewed 2010-09-09T07:34:16Z 2010-09-09T07:34:16Z 2005 artículo http://purl.org/coar/resource_type/c_6501 Limnology and Oceanography 50(5): 1677-1686 (2005) 0024-3590 http://hdl.handle.net/10261/27514 10.4319/lo.2005.50.5.1677 en https://doi.org/10.4319/lo.2005.50.5.1677 open 5867 bytes application/pdf American Society of Limnology and Oceanography |
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biblioteca |
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Biblioteca del ICM España |
| language |
English |
| description |
10 pages, 6 figures, 2 tables |
| format |
artículo |
| author |
Not, Fabrice Massana, Ramon Latasa, Mikel Marie, Dominique Colson, Céline Eikrem, Wenche Pedrós-Alió, Carlos Vaulot, Daniel Simon, Nathalie |
| spellingShingle |
Not, Fabrice Massana, Ramon Latasa, Mikel Marie, Dominique Colson, Céline Eikrem, Wenche Pedrós-Alió, Carlos Vaulot, Daniel Simon, Nathalie Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas |
| author_facet |
Not, Fabrice Massana, Ramon Latasa, Mikel Marie, Dominique Colson, Céline Eikrem, Wenche Pedrós-Alió, Carlos Vaulot, Daniel Simon, Nathalie |
| author_sort |
Not, Fabrice |
| title |
Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas |
| title_short |
Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas |
| title_full |
Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas |
| title_fullStr |
Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas |
| title_full_unstemmed |
Late summer community composition and abundance of photosynthetic picoeukaryotes in Norwegian and Barents Seas |
| title_sort |
late summer community composition and abundance of photosynthetic picoeukaryotes in norwegian and barents seas |
| publisher |
American Society of Limnology and Oceanography |
| publishDate |
2005 |
| url |
http://hdl.handle.net/10261/27514 |
| work_keys_str_mv |
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