Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification
Ocean acidification (OA), caused by the dissolution of increasing concentrations of atmospheric carbon dioxide (CO2) in seawater, is projected to cause significant changes to marine ecology and biogeochemistry. Potential impacts on the microbially driven cycling of nitrogen are of particular concern...
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ftdans:oai:easy.dans.knaw.nl:easy-dataset:83832 2024-06-23T07:55:50+00:00 Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification Laverock, Bonnie Kitidis, Vassilis Tait, Karen Gilbert, Jack A. Osborn, A. Mark Widdicombe, Steve 2013-09-06T21:04:53.000+02:00 http://nbn-resolving.org/urn:nbn:nl:ui:13-yn-v0g7 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83832 unknown doi:10.5061/dryad.b98m6/1 doi:10.5061/dryad.b98m6/3 doi:10.5061/dryad.b98m6/2 doi:10.5061/dryad.b98m6/4 doi:10.1098/rstb.2012.0441 PMID:23980243 http://nbn-resolving.org/urn:nbn:nl:ui:13-yn-v0g7 doi:10.5061/dryad.b98m6 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83832 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 2013 ftdans https://doi.org/10.5061/dryad.b98m6/110.5061/dryad.b98m6/310.5061/dryad.b98m6/210.5061/dryad.b98m6/410.1098/rstb.2012.044110.5061/dryad.b98m6 2024-06-11T04:08:51Z Ocean acidification (OA), caused by the dissolution of increasing concentrations of atmospheric carbon dioxide (CO2) in seawater, is projected to cause significant changes to marine ecology and biogeochemistry. Potential impacts on the microbially driven cycling of nitrogen are of particular concern. Specifically, under seawater pH levels approximating future OA scenarios, rates of ammonia oxidation (the rate-limiting first step of the nitrification pathway) have been shown to dramatically decrease in seawater, but not in underlying sediments. However, no prior study has considered the interactive effects of microbial ammonia oxidation and macrofaunal bioturbation activity, which can enhance nitrogen transformation rates. Using experimental mesocosms, we investigated the responses to OA of ammonia oxidizing microorganisms inhabiting surface sediments and sediments within burrow walls of the mud shrimp Upogebia deltaura. Seawater was acidified to one of four target pH values (pHT 7.90, 7.70, 7.35 and 6.80) in comparison with a control (pHT 8.10). At pHT 8.10, ammonia oxidation rates in burrow wall sediments were, on average, fivefold greater than in surface sediments. However, at all acidified pH values (pH ≤ 7.90), ammonia oxidation rates in burrow sediments were significantly inhibited (by 79–97%; p < 0.01), whereas rates in surface sediments were unaffected. Both bacterial and archaeal abundances increased significantly as pHT declined; by contrast, relative abundances of bacterial and archaeal ammonia oxidation (amoA) genes did not vary. This research suggests that OA could cause substantial reductions in total benthic ammonia oxidation rates in coastal bioturbated sediments, leading to corresponding changes in coupled nitrogen cycling between the benthic and pelagic realms. Other/Unknown Material Ocean acidification Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Life sciences medicine and health care |
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Life sciences medicine and health care Laverock, Bonnie Kitidis, Vassilis Tait, Karen Gilbert, Jack A. Osborn, A. Mark Widdicombe, Steve Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
topic_facet |
Life sciences medicine and health care |
description |
Ocean acidification (OA), caused by the dissolution of increasing concentrations of atmospheric carbon dioxide (CO2) in seawater, is projected to cause significant changes to marine ecology and biogeochemistry. Potential impacts on the microbially driven cycling of nitrogen are of particular concern. Specifically, under seawater pH levels approximating future OA scenarios, rates of ammonia oxidation (the rate-limiting first step of the nitrification pathway) have been shown to dramatically decrease in seawater, but not in underlying sediments. However, no prior study has considered the interactive effects of microbial ammonia oxidation and macrofaunal bioturbation activity, which can enhance nitrogen transformation rates. Using experimental mesocosms, we investigated the responses to OA of ammonia oxidizing microorganisms inhabiting surface sediments and sediments within burrow walls of the mud shrimp Upogebia deltaura. Seawater was acidified to one of four target pH values (pHT 7.90, 7.70, 7.35 and 6.80) in comparison with a control (pHT 8.10). At pHT 8.10, ammonia oxidation rates in burrow wall sediments were, on average, fivefold greater than in surface sediments. However, at all acidified pH values (pH ≤ 7.90), ammonia oxidation rates in burrow sediments were significantly inhibited (by 79–97%; p < 0.01), whereas rates in surface sediments were unaffected. Both bacterial and archaeal abundances increased significantly as pHT declined; by contrast, relative abundances of bacterial and archaeal ammonia oxidation (amoA) genes did not vary. This research suggests that OA could cause substantial reductions in total benthic ammonia oxidation rates in coastal bioturbated sediments, leading to corresponding changes in coupled nitrogen cycling between the benthic and pelagic realms. |
author |
Laverock, Bonnie Kitidis, Vassilis Tait, Karen Gilbert, Jack A. Osborn, A. Mark Widdicombe, Steve |
author_facet |
Laverock, Bonnie Kitidis, Vassilis Tait, Karen Gilbert, Jack A. Osborn, A. Mark Widdicombe, Steve |
author_sort |
Laverock, Bonnie |
title |
Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
title_short |
Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
title_full |
Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
title_fullStr |
Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
title_full_unstemmed |
Data from: Bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
title_sort |
data from: bioturbation determines the response of benthic ammonia oxidising microorganisms to ocean acidification |
publishDate |
2013 |
url |
http://nbn-resolving.org/urn:nbn:nl:ui:13-yn-v0g7 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83832 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
doi:10.5061/dryad.b98m6/1 doi:10.5061/dryad.b98m6/3 doi:10.5061/dryad.b98m6/2 doi:10.5061/dryad.b98m6/4 doi:10.1098/rstb.2012.0441 PMID:23980243 http://nbn-resolving.org/urn:nbn:nl:ui:13-yn-v0g7 doi:10.5061/dryad.b98m6 https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83832 |
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.b98m6/110.5061/dryad.b98m6/310.5061/dryad.b98m6/210.5061/dryad.b98m6/410.1098/rstb.2012.044110.5061/dryad.b98m6 |
_version_ |
1802648565308194816 |