Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition
Abstract Foraminifera are unicellular organisms that inhabit the oceans. They play an important role in the global carbon cycle and record valuable paleoclimate information through the uptake of trace elements such as strontium into their calcitic shells. Understanding how foraminifera control their...
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ftdoajarticles:oai:doaj.org/article:d84691ee480e455f876c0059c742e43c 2024-02-11T10:07:32+01:00 Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition Qicui Jia Shuo Zhang James M. Watkins Laurent S. Devriendt Yuefei Huang Guangqian Wang 2024-01-01T00:00:00Z https://doi.org/10.1038/s43247-023-01194-6 https://doaj.org/article/d84691ee480e455f876c0059c742e43c EN eng Nature Portfolio https://doi.org/10.1038/s43247-023-01194-6 https://doaj.org/toc/2662-4435 doi:10.1038/s43247-023-01194-6 2662-4435 https://doaj.org/article/d84691ee480e455f876c0059c742e43c Communications Earth & Environment, Vol 5, Iss 1, Pp 1-10 (2024) Geology QE1-996.5 Environmental sciences GE1-350 article 2024 ftdoajarticles https://doi.org/10.1038/s43247-023-01194-6 2024-01-21T01:42:47Z Abstract Foraminifera are unicellular organisms that inhabit the oceans. They play an important role in the global carbon cycle and record valuable paleoclimate information through the uptake of trace elements such as strontium into their calcitic shells. Understanding how foraminifera control their internal fluid composition to make calcite is important for predicting their response to ocean acidification and for reliably interpreting the chemical and isotopic compositions of their shells. Here, we model foraminiferal calcification and strontium partitioning in the benthic foraminifera Cibicides wuellerstorfi and Cibicidoides mundulus based on insights from inorganic calcite experiments. The numerical model reconciles inter-ocean and taxonomic differences in benthic foraminifer strontium partitioning relationships and enables us to reconstruct the composition of the calcifying fluid. We find that strontium partitioning and mineral growth rates of foraminiferal calcite are not strongly affected by changes in external seawater pH (within 7.8–8.1) and dissolved inorganic carbon (DIC, within 2100–2300 μmol/kg) due to a regulated calcite saturation state at the site of shell formation. Article in Journal/Newspaper Ocean acidification Directory of Open Access Journals: DOAJ Articles Communications Earth & Environment 5 1 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
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ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 Environmental sciences GE1-350 |
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Geology QE1-996.5 Environmental sciences GE1-350 Qicui Jia Shuo Zhang James M. Watkins Laurent S. Devriendt Yuefei Huang Guangqian Wang Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
topic_facet |
Geology QE1-996.5 Environmental sciences GE1-350 |
description |
Abstract Foraminifera are unicellular organisms that inhabit the oceans. They play an important role in the global carbon cycle and record valuable paleoclimate information through the uptake of trace elements such as strontium into their calcitic shells. Understanding how foraminifera control their internal fluid composition to make calcite is important for predicting their response to ocean acidification and for reliably interpreting the chemical and isotopic compositions of their shells. Here, we model foraminiferal calcification and strontium partitioning in the benthic foraminifera Cibicides wuellerstorfi and Cibicidoides mundulus based on insights from inorganic calcite experiments. The numerical model reconciles inter-ocean and taxonomic differences in benthic foraminifer strontium partitioning relationships and enables us to reconstruct the composition of the calcifying fluid. We find that strontium partitioning and mineral growth rates of foraminiferal calcite are not strongly affected by changes in external seawater pH (within 7.8–8.1) and dissolved inorganic carbon (DIC, within 2100–2300 μmol/kg) due to a regulated calcite saturation state at the site of shell formation. |
format |
Article in Journal/Newspaper |
author |
Qicui Jia Shuo Zhang James M. Watkins Laurent S. Devriendt Yuefei Huang Guangqian Wang |
author_facet |
Qicui Jia Shuo Zhang James M. Watkins Laurent S. Devriendt Yuefei Huang Guangqian Wang |
author_sort |
Qicui Jia |
title |
Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
title_short |
Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
title_full |
Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
title_fullStr |
Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
title_full_unstemmed |
Modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
title_sort |
modeled foraminiferal calcification and strontium partitioning in benthic foraminifera helps reconstruct calcifying fluid composition |
publisher |
Nature Portfolio |
publishDate |
2024 |
url |
https://doi.org/10.1038/s43247-023-01194-6 https://doaj.org/article/d84691ee480e455f876c0059c742e43c |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Communications Earth & Environment, Vol 5, Iss 1, Pp 1-10 (2024) |
op_relation |
https://doi.org/10.1038/s43247-023-01194-6 https://doaj.org/toc/2662-4435 doi:10.1038/s43247-023-01194-6 2662-4435 https://doaj.org/article/d84691ee480e455f876c0059c742e43c |
op_doi |
https://doi.org/10.1038/s43247-023-01194-6 |
container_title |
Communications Earth & Environment |
container_volume |
5 |
container_issue |
1 |
_version_ |
1790606135461412864 |