Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death
The potential for preservation of thecosome pteropods is thought to be largely governed by the chemical stability of their delicate aragonitic shells in seawater. However, sediment trap studies have found that significant carbonate dissolution can occur above the carbonate saturation horizon. Here w...
Main Authors: | , , , |
---|---|
Language: | unknown |
Published: |
2019
|
Subjects: | |
Online Access: | http://nbn-resolving.org/urn:nbn:nl:ui:13-za-osft https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:127723 |
id |
ftdans:oai:easy.dans.knaw.nl:easy-dataset:127723 |
---|---|
record_format |
openpolar |
spelling |
ftdans:oai:easy.dans.knaw.nl:easy-dataset:127723 2023-07-02T03:33:40+02:00 Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death Oakes, Rosie L. Peck, Victoria L. Manno, Clara Bralower, Timothy J. 2019-05-09T22:59:52.000+02:00 http://nbn-resolving.org/urn:nbn:nl:ui:13-za-osft https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:127723 unknown doi:10.5061/dryad.8ts30t5/1 doi:10.5061/dryad.8ts30t5/2 doi:10.5061/dryad.8ts30t5/3 doi:10.5061/dryad.8ts30t5/4 doi:10.1029/2019GB006223 http://nbn-resolving.org/urn:nbn:nl:ui:13-za-osft doi:10.5061/dryad.8ts30t5 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:127723 OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf Life sciences medicine and health care 2019 ftdans https://doi.org/10.5061/dryad.8ts30t5/110.5061/dryad.8ts30t5/210.5061/dryad.8ts30t5/310.5061/dryad.8ts30t5/410.1029/2019GB00622310.1029/2019gb00622310.5061/dryad.8ts30t5 2023-06-13T13:08:57Z The potential for preservation of thecosome pteropods is thought to be largely governed by the chemical stability of their delicate aragonitic shells in seawater. However, sediment trap studies have found that significant carbonate dissolution can occur above the carbonate saturation horizon. Here we present the results from experiments conducted on two cruises to the Scotia Sea to directly test whether the breakdown of the organic pteropod body influences shell dissolution. We find that, on the timescales of three to thirteen days, the oxidation of organic matter within the shells of dead pteropods is a stronger driver of shell dissolution than the saturation state of seawater. Three to four days after death, shells became milky white and nano‐SEM images reveal smoothing of internal surface features and increased shell porosity, both indicative of aragonite dissolution. These findings have implications for the interpretation of the condition of pteropod shells from sediment traps and the fossil record, as well as for understanding the processes controlling particulate carbonate export from the surface ocean. Other/Unknown Material Scotia Sea Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) Scotia Sea |
institution |
Open Polar |
collection |
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
op_collection_id |
ftdans |
language |
unknown |
topic |
Life sciences medicine and health care |
spellingShingle |
Life sciences medicine and health care Oakes, Rosie L. Peck, Victoria L. Manno, Clara Bralower, Timothy J. Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death |
topic_facet |
Life sciences medicine and health care |
description |
The potential for preservation of thecosome pteropods is thought to be largely governed by the chemical stability of their delicate aragonitic shells in seawater. However, sediment trap studies have found that significant carbonate dissolution can occur above the carbonate saturation horizon. Here we present the results from experiments conducted on two cruises to the Scotia Sea to directly test whether the breakdown of the organic pteropod body influences shell dissolution. We find that, on the timescales of three to thirteen days, the oxidation of organic matter within the shells of dead pteropods is a stronger driver of shell dissolution than the saturation state of seawater. Three to four days after death, shells became milky white and nano‐SEM images reveal smoothing of internal surface features and increased shell porosity, both indicative of aragonite dissolution. These findings have implications for the interpretation of the condition of pteropod shells from sediment traps and the fossil record, as well as for understanding the processes controlling particulate carbonate export from the surface ocean. |
author |
Oakes, Rosie L. Peck, Victoria L. Manno, Clara Bralower, Timothy J. |
author_facet |
Oakes, Rosie L. Peck, Victoria L. Manno, Clara Bralower, Timothy J. |
author_sort |
Oakes, Rosie L. |
title |
Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death |
title_short |
Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death |
title_full |
Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death |
title_fullStr |
Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death |
title_full_unstemmed |
Data from: Degradation of internal organic matter is the main control on pteropod shell dissolution after death |
title_sort |
data from: degradation of internal organic matter is the main control on pteropod shell dissolution after death |
publishDate |
2019 |
url |
http://nbn-resolving.org/urn:nbn:nl:ui:13-za-osft https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:127723 |
geographic |
Scotia Sea |
geographic_facet |
Scotia Sea |
genre |
Scotia Sea |
genre_facet |
Scotia Sea |
op_relation |
doi:10.5061/dryad.8ts30t5/1 doi:10.5061/dryad.8ts30t5/2 doi:10.5061/dryad.8ts30t5/3 doi:10.5061/dryad.8ts30t5/4 doi:10.1029/2019GB006223 http://nbn-resolving.org/urn:nbn:nl:ui:13-za-osft doi:10.5061/dryad.8ts30t5 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:127723 |
op_rights |
OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf |
op_doi |
https://doi.org/10.5061/dryad.8ts30t5/110.5061/dryad.8ts30t5/210.5061/dryad.8ts30t5/310.5061/dryad.8ts30t5/410.1029/2019GB00622310.1029/2019gb00622310.5061/dryad.8ts30t5 |
_version_ |
1770273714200379392 |