Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula
15 pages, 8 figures, 2 tables, supplementary data https://doi.org/10.1016/j.dsr.2019.06.005 The relationships between taxonomy and distribution of the phytoplankton and environmental parameters were studied in four contrasting zones (North of the South Orkney Islands= NSO, Southeast of the South Ork...
Published in: | Deep Sea Research Part I: Oceanographic Research Papers |
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Online Access: | http://hdl.handle.net/10261/192549 https://doi.org/10.1016/j.dsr.2019.06.005 https://doi.org/10.13039/501100003593 https://doi.org/10.13039/501100003329 |
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ftcsic:oai:digital.csic.es:10261/192549 2024-02-11T09:57:40+01:00 Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula Nunes, Sdena Latasa, Mikel Delgado, Maximino Emelianov, Mikhail Simó, Rafel Estrada, Marta Ministerio de Economía y Competitividad (España) Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil) 2019-09 http://hdl.handle.net/10261/192549 https://doi.org/10.1016/j.dsr.2019.06.005 https://doi.org/10.13039/501100003593 https://doi.org/10.13039/501100003329 unknown Pergamon Press https://doi.org/10.1016/j.dsr.2019.06.005 Sí issn: 0967-0637 e-issn: 1879-0119 Deep Sea Research Part I: Oceanographic Research Papers 151: 103059 (2019) http://hdl.handle.net/10261/192549 doi:10.1016/j.dsr.2019.06.005 http://dx.doi.org/10.13039/501100003593 http://dx.doi.org/10.13039/501100003329 open Dimethylated sulfur Southern ocean Phytoplankton distribution HPLC Microscopy Pigments CHEMTAX artículo http://purl.org/coar/resource_type/c_6501 2019 ftcsic https://doi.org/10.1016/j.dsr.2019.06.00510.13039/50110000359310.13039/501100003329 2024-01-16T10:44:34Z 15 pages, 8 figures, 2 tables, supplementary data https://doi.org/10.1016/j.dsr.2019.06.005 The relationships between taxonomy and distribution of the phytoplankton and environmental parameters were studied in four contrasting zones (North of the South Orkney Islands= NSO, Southeast of the South Orkney Islands = SSO, Northwest of South Georgia = NSG and West of Anvers = WA) of the Atlantic sector of the Southern Ocean, during the PEGASO cruise of the BIO Hespérides (January–February 2015). The structure of the phytoplankton community was determined by microscopic examination and by pigment analyses using high-performance liquid chromatography (HPLC) followed by application of the CHEMTAX algorithm. Overall, a statistically significant association was found between fluorometric and HPLC determinations of chlorophyll a, and between chemotaxonomic and microscopy-derived estimates of the contribution of diatoms, dinoflagellates and cryptophytes, although cryptophytes appeared to be underestimated by the microscopic observations. The highest average levels of fluorometric chlorophyll a (517 mg m) were found at NSG, followed by WA (132 mg m), NSO (120 mg m) and SSO (34 mg m). The phytoplankton community at NSG was dominated by diatoms like Eucampia antarctica and Thalassiosira spp. Cryptophytes and diatoms (mainly Corethron pennatum, small Thalassiosira spp. and Fragilariopsis spp.) were the most abundant chemotaxonomic groups at NSO, followed by haptophytes types 6 + 7, Phaeocystis-like (haptophytes type 8) and, especially in the deeper levels of the euphotic zone, pelagophytes. At SSO, the most important groups were haptophytes types 6 + 7, followed by diatoms (with a combination of taxa similar to that of NSO), Phaeocystis-like and pelagophytes. The main CHEMTAX groups at WA were cryptophytes (between surface and about 40 m depth), haptophytes types 6 + 7 and diatoms. The ratio between the photoprotective pigment diadinoxanthin and the sum of the light harvesting pigments of diadinoxanthin-containing ... Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica South Orkney Islands Southern Ocean Digital.CSIC (Spanish National Research Council) Antarctic Southern Ocean Antarctic Peninsula South Orkney Islands ENVELOPE(-45.500,-45.500,-60.583,-60.583) Anvers ENVELOPE(-63.500,-63.500,-64.600,-64.600) Deep Sea Research Part I: Oceanographic Research Papers 151 103059 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Dimethylated sulfur Southern ocean Phytoplankton distribution HPLC Microscopy Pigments CHEMTAX |
spellingShingle |
Dimethylated sulfur Southern ocean Phytoplankton distribution HPLC Microscopy Pigments CHEMTAX Nunes, Sdena Latasa, Mikel Delgado, Maximino Emelianov, Mikhail Simó, Rafel Estrada, Marta Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula |
topic_facet |
Dimethylated sulfur Southern ocean Phytoplankton distribution HPLC Microscopy Pigments CHEMTAX |
description |
15 pages, 8 figures, 2 tables, supplementary data https://doi.org/10.1016/j.dsr.2019.06.005 The relationships between taxonomy and distribution of the phytoplankton and environmental parameters were studied in four contrasting zones (North of the South Orkney Islands= NSO, Southeast of the South Orkney Islands = SSO, Northwest of South Georgia = NSG and West of Anvers = WA) of the Atlantic sector of the Southern Ocean, during the PEGASO cruise of the BIO Hespérides (January–February 2015). The structure of the phytoplankton community was determined by microscopic examination and by pigment analyses using high-performance liquid chromatography (HPLC) followed by application of the CHEMTAX algorithm. Overall, a statistically significant association was found between fluorometric and HPLC determinations of chlorophyll a, and between chemotaxonomic and microscopy-derived estimates of the contribution of diatoms, dinoflagellates and cryptophytes, although cryptophytes appeared to be underestimated by the microscopic observations. The highest average levels of fluorometric chlorophyll a (517 mg m) were found at NSG, followed by WA (132 mg m), NSO (120 mg m) and SSO (34 mg m). The phytoplankton community at NSG was dominated by diatoms like Eucampia antarctica and Thalassiosira spp. Cryptophytes and diatoms (mainly Corethron pennatum, small Thalassiosira spp. and Fragilariopsis spp.) were the most abundant chemotaxonomic groups at NSO, followed by haptophytes types 6 + 7, Phaeocystis-like (haptophytes type 8) and, especially in the deeper levels of the euphotic zone, pelagophytes. At SSO, the most important groups were haptophytes types 6 + 7, followed by diatoms (with a combination of taxa similar to that of NSO), Phaeocystis-like and pelagophytes. The main CHEMTAX groups at WA were cryptophytes (between surface and about 40 m depth), haptophytes types 6 + 7 and diatoms. The ratio between the photoprotective pigment diadinoxanthin and the sum of the light harvesting pigments of diadinoxanthin-containing ... |
author2 |
Ministerio de Economía y Competitividad (España) Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil) |
format |
Article in Journal/Newspaper |
author |
Nunes, Sdena Latasa, Mikel Delgado, Maximino Emelianov, Mikhail Simó, Rafel Estrada, Marta |
author_facet |
Nunes, Sdena Latasa, Mikel Delgado, Maximino Emelianov, Mikhail Simó, Rafel Estrada, Marta |
author_sort |
Nunes, Sdena |
title |
Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula |
title_short |
Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula |
title_full |
Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula |
title_fullStr |
Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula |
title_full_unstemmed |
Phytoplankton community structure in contrasting ecosystems of the Southern Ocean: South Georgia, South Orkneys and western Antarctic Peninsula |
title_sort |
phytoplankton community structure in contrasting ecosystems of the southern ocean: south georgia, south orkneys and western antarctic peninsula |
publisher |
Pergamon Press |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/192549 https://doi.org/10.1016/j.dsr.2019.06.005 https://doi.org/10.13039/501100003593 https://doi.org/10.13039/501100003329 |
long_lat |
ENVELOPE(-45.500,-45.500,-60.583,-60.583) ENVELOPE(-63.500,-63.500,-64.600,-64.600) |
geographic |
Antarctic Southern Ocean Antarctic Peninsula South Orkney Islands Anvers |
geographic_facet |
Antarctic Southern Ocean Antarctic Peninsula South Orkney Islands Anvers |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica South Orkney Islands Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica South Orkney Islands Southern Ocean |
op_relation |
https://doi.org/10.1016/j.dsr.2019.06.005 Sí issn: 0967-0637 e-issn: 1879-0119 Deep Sea Research Part I: Oceanographic Research Papers 151: 103059 (2019) http://hdl.handle.net/10261/192549 doi:10.1016/j.dsr.2019.06.005 http://dx.doi.org/10.13039/501100003593 http://dx.doi.org/10.13039/501100003329 |
op_rights |
open |
op_doi |
https://doi.org/10.1016/j.dsr.2019.06.00510.13039/50110000359310.13039/501100003329 |
container_title |
Deep Sea Research Part I: Oceanographic Research Papers |
container_volume |
151 |
container_start_page |
103059 |
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1790593210765017088 |