Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry
ASLO Aquatic Sciences Meeting, Resilience and Recovery in Aquatic Systems, 4-9 June 2023, Palma de Mallorca, Spain Small phytoplankton is a fundamental part of the Antarctic marine ecosystem, in particular for its role in carbon fixation and the trophic web. Despite its importance in the carbon cycl...
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Association for the Sciences of Limnology and Oceanography
2023
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ftcsic:oai:digital.csic.es:10261/354255 2024-05-19T07:32:24+00:00 Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry Pernice, Massimo Berrojalbiz, Naiara Vila-Costa, Maria Dachs, Jordi Gasol, Josep M. 2023-06-07 http://hdl.handle.net/10261/354255 unknown Association for the Sciences of Limnology and Oceanography Sí ASLO Aquatic Sciences Meeting (2023) http://hdl.handle.net/10261/354255 none comunicación de congreso 2023 ftcsic 2024-04-23T23:34:38Z ASLO Aquatic Sciences Meeting, Resilience and Recovery in Aquatic Systems, 4-9 June 2023, Palma de Mallorca, Spain Small phytoplankton is a fundamental part of the Antarctic marine ecosystem, in particular for its role in carbon fixation and the trophic web. Despite its importance in the carbon cycle, there is a lack of high-resolution datasets of its temporal and spatial abundance, size and phenotypic diversity. Here we present high-frequency flow-cytometry data of total small phytoplankton collected from surface waters during the ANTOM2 cruise, which sailed through the Bransfield Strait and Bellingshausen Sea during austral summer 2021-2022. The cruise consisted on a north-south transect along the Antarctic peninsula coast and a second south-north transect along the edge of the continental shelf. Seawater was taken by a faucet linked to a continuum seawater pump (5 m depth) with an automatic sampler connected to a flow-cytometer that sampled every 15 minutes during two weeks yielding a total of 1250 samples. Total phytoplankton abundance ranged between 102 and 104 cells·ml-1; with higher values along the coast. The optical properties of each single cell (light scatter and pigment fluorescence), which are considered phenotypic attributes, were used to estimate phenotypic diversity using computational cytometry bioinformatic tools. Phenotypic alpha diversity varied throughout the entire cruise and peaked at port Foster (Deception Island), the site with the lowest abundances of small phytoplankton. Similarity among stations (beta-diversity) was well explained by salinity. As far as we know, this is the first study using this spatial and temporal resolution in the maritime Antarctica Conference Object Antarc* Antarctic Antarctic Peninsula Antarctica Bellingshausen Sea Bransfield Strait Deception Island Digital.CSIC (Spanish National Research Council) |
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Digital.CSIC (Spanish National Research Council) |
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ASLO Aquatic Sciences Meeting, Resilience and Recovery in Aquatic Systems, 4-9 June 2023, Palma de Mallorca, Spain Small phytoplankton is a fundamental part of the Antarctic marine ecosystem, in particular for its role in carbon fixation and the trophic web. Despite its importance in the carbon cycle, there is a lack of high-resolution datasets of its temporal and spatial abundance, size and phenotypic diversity. Here we present high-frequency flow-cytometry data of total small phytoplankton collected from surface waters during the ANTOM2 cruise, which sailed through the Bransfield Strait and Bellingshausen Sea during austral summer 2021-2022. The cruise consisted on a north-south transect along the Antarctic peninsula coast and a second south-north transect along the edge of the continental shelf. Seawater was taken by a faucet linked to a continuum seawater pump (5 m depth) with an automatic sampler connected to a flow-cytometer that sampled every 15 minutes during two weeks yielding a total of 1250 samples. Total phytoplankton abundance ranged between 102 and 104 cells·ml-1; with higher values along the coast. The optical properties of each single cell (light scatter and pigment fluorescence), which are considered phenotypic attributes, were used to estimate phenotypic diversity using computational cytometry bioinformatic tools. Phenotypic alpha diversity varied throughout the entire cruise and peaked at port Foster (Deception Island), the site with the lowest abundances of small phytoplankton. Similarity among stations (beta-diversity) was well explained by salinity. As far as we know, this is the first study using this spatial and temporal resolution in the maritime Antarctica |
format |
Conference Object |
author |
Pernice, Massimo Berrojalbiz, Naiara Vila-Costa, Maria Dachs, Jordi Gasol, Josep M. |
spellingShingle |
Pernice, Massimo Berrojalbiz, Naiara Vila-Costa, Maria Dachs, Jordi Gasol, Josep M. Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry |
author_facet |
Pernice, Massimo Berrojalbiz, Naiara Vila-Costa, Maria Dachs, Jordi Gasol, Josep M. |
author_sort |
Pernice, Massimo |
title |
Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry |
title_short |
Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry |
title_full |
Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry |
title_fullStr |
Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry |
title_full_unstemmed |
Small phytoplankton along the Antarctic peninsula: a high-resolution image through continuous flow cytometry |
title_sort |
small phytoplankton along the antarctic peninsula: a high-resolution image through continuous flow cytometry |
publisher |
Association for the Sciences of Limnology and Oceanography |
publishDate |
2023 |
url |
http://hdl.handle.net/10261/354255 |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Bellingshausen Sea Bransfield Strait Deception Island |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Bellingshausen Sea Bransfield Strait Deception Island |
op_relation |
Sí ASLO Aquatic Sciences Meeting (2023) http://hdl.handle.net/10261/354255 |
op_rights |
none |
_version_ |
1799470436977737728 |