Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum"
Past global warming events such as the Palaeocene–Eocene Thermal Maximum (PETM—56 Ma) are attributed to the release of vast amounts of carbon into the ocean, atmosphere and biosphere with recovery ascribed to a combination of silicate weathering and organic carbon burial. The phytoplanktonic nannopl...
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ftdatacite:10.6084/m9.figshare.c.4174835.v2 2023-05-15T17:51:44+02:00 Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" Gibbs, Samantha J. Sheward, Rosie M. Bown, Paul R. Poulton, Alex J. Alvarez, Sarah A. 2018 https://dx.doi.org/10.6084/m9.figshare.c.4174835.v2 https://figshare.com/collections/Supplementary_material_from_Warm_plankton_soup_and_red_herrings_calcareous_nannoplankton_cellular_communities_and_the_Palaeocene_Eocene_Thermal_Maximum_/4174835/2 unknown Figshare https://dx.doi.org/10.1098/rsta.2017.0075 https://dx.doi.org/10.6084/m9.figshare.c.4174835 CC BY 4.0 https://creativecommons.org/licenses/by/4.0 CC-BY Geology FOS Earth and related environmental sciences Geochemistry 40308 Palaeontology incl. Palynology Collection article 2018 ftdatacite https://doi.org/10.6084/m9.figshare.c.4174835.v2 https://doi.org/10.1098/rsta.2017.0075 https://doi.org/10.6084/m9.figshare.c.4174835 2021-11-05T12:55:41Z Past global warming events such as the Palaeocene–Eocene Thermal Maximum (PETM—56 Ma) are attributed to the release of vast amounts of carbon into the ocean, atmosphere and biosphere with recovery ascribed to a combination of silicate weathering and organic carbon burial. The phytoplanktonic nannoplankton are major contributors of organic and inorganic carbon but their role in this recovery process remains poorly understood and complicated by their contribution to marine calcification. Biocalcification is implicated not only in long-term carbon burial but also both short-term positive and negative climatic feedbacks associated with seawater buffering and responses to ocean acidification. Here, we use exceptional records of preserved fossil coccospheres to reconstruct cell size distribution, biomass production (particulate organic carbon, POC) and (particulate) inorganic carbon (PIC) yields of three contrasting nannoplankton communities (Bass River—outer shelf, Maud Rise—uppermost bathyal, Shatsky Rise—open ocean) through the PETM onset and recovery. Each of the sites shows contrasting community responses across the PETM as a function of their taxic composition and total community biomass. Our results indicate that nannoplankton PIC:POC had no role in short-term climate feedback and, as such, their importance as a source of CO 2 to the environment is a red herring. It is nevertheless likely that shifts to greater numbers of smaller cells at the shelf site in particular led to greater carbon transfer efficiency, and that nannoplankton productivity and export across the shelves had a significant modulating effect on carbon sequestration during the PETM recovery. Article in Journal/Newspaper Ocean acidification DataCite Metadata Store (German National Library of Science and Technology) Maud Rise ENVELOPE(3.000,3.000,-66.000,-66.000) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Geology FOS Earth and related environmental sciences Geochemistry 40308 Palaeontology incl. Palynology |
spellingShingle |
Geology FOS Earth and related environmental sciences Geochemistry 40308 Palaeontology incl. Palynology Gibbs, Samantha J. Sheward, Rosie M. Bown, Paul R. Poulton, Alex J. Alvarez, Sarah A. Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" |
topic_facet |
Geology FOS Earth and related environmental sciences Geochemistry 40308 Palaeontology incl. Palynology |
description |
Past global warming events such as the Palaeocene–Eocene Thermal Maximum (PETM—56 Ma) are attributed to the release of vast amounts of carbon into the ocean, atmosphere and biosphere with recovery ascribed to a combination of silicate weathering and organic carbon burial. The phytoplanktonic nannoplankton are major contributors of organic and inorganic carbon but their role in this recovery process remains poorly understood and complicated by their contribution to marine calcification. Biocalcification is implicated not only in long-term carbon burial but also both short-term positive and negative climatic feedbacks associated with seawater buffering and responses to ocean acidification. Here, we use exceptional records of preserved fossil coccospheres to reconstruct cell size distribution, biomass production (particulate organic carbon, POC) and (particulate) inorganic carbon (PIC) yields of three contrasting nannoplankton communities (Bass River—outer shelf, Maud Rise—uppermost bathyal, Shatsky Rise—open ocean) through the PETM onset and recovery. Each of the sites shows contrasting community responses across the PETM as a function of their taxic composition and total community biomass. Our results indicate that nannoplankton PIC:POC had no role in short-term climate feedback and, as such, their importance as a source of CO 2 to the environment is a red herring. It is nevertheless likely that shifts to greater numbers of smaller cells at the shelf site in particular led to greater carbon transfer efficiency, and that nannoplankton productivity and export across the shelves had a significant modulating effect on carbon sequestration during the PETM recovery. |
format |
Article in Journal/Newspaper |
author |
Gibbs, Samantha J. Sheward, Rosie M. Bown, Paul R. Poulton, Alex J. Alvarez, Sarah A. |
author_facet |
Gibbs, Samantha J. Sheward, Rosie M. Bown, Paul R. Poulton, Alex J. Alvarez, Sarah A. |
author_sort |
Gibbs, Samantha J. |
title |
Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" |
title_short |
Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" |
title_full |
Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" |
title_fullStr |
Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" |
title_full_unstemmed |
Supplementary material from "Warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the Palaeocene–Eocene Thermal Maximum" |
title_sort |
supplementary material from "warm plankton soup and red herrings: calcareous nannoplankton cellular communities and the palaeocene–eocene thermal maximum" |
publisher |
Figshare |
publishDate |
2018 |
url |
https://dx.doi.org/10.6084/m9.figshare.c.4174835.v2 https://figshare.com/collections/Supplementary_material_from_Warm_plankton_soup_and_red_herrings_calcareous_nannoplankton_cellular_communities_and_the_Palaeocene_Eocene_Thermal_Maximum_/4174835/2 |
long_lat |
ENVELOPE(3.000,3.000,-66.000,-66.000) |
geographic |
Maud Rise |
geographic_facet |
Maud Rise |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
https://dx.doi.org/10.1098/rsta.2017.0075 https://dx.doi.org/10.6084/m9.figshare.c.4174835 |
op_rights |
CC BY 4.0 https://creativecommons.org/licenses/by/4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.c.4174835.v2 https://doi.org/10.1098/rsta.2017.0075 https://doi.org/10.6084/m9.figshare.c.4174835 |
_version_ |
1766158963466829824 |