Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A)
The formation of calcareous skeletons by marine planktonic organisms and their subsequent sinking to depth generates a continuous rain of calcium carbonate to the deep ocean and underlying sediments. This is important in regulating marine carbon cycling and ocean-atmosphere CO2 exchange. The present...
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Language: | English |
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PANGAEA
2002
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Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.726883 https://doi.org/10.1594/PANGAEA.726883 |
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.726883 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Alkalinity Gran titration (Gran 1950) total Aragonite saturation state Bicarbonate ion Bottles or small containers/Aquaria (<20 L) Calcification/Dissolution Calcite saturation state Calculated see reference(s) Calculated after Freeman & Hayes (1992) Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate per cell organic Carbonate ion Carbonate system computation flag Carbon dioxide Carbon organic/inorganic ratio Chromista Colorimetry Entire community EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification EXP Experiment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Growth/Morphology Growth rate carbon-specific Haptophyta Identification Isotopic fractionation |
spellingShingle |
Alkalinity Gran titration (Gran 1950) total Aragonite saturation state Bicarbonate ion Bottles or small containers/Aquaria (<20 L) Calcification/Dissolution Calcite saturation state Calculated see reference(s) Calculated after Freeman & Hayes (1992) Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate per cell organic Carbonate ion Carbonate system computation flag Carbon dioxide Carbon organic/inorganic ratio Chromista Colorimetry Entire community EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification EXP Experiment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Growth/Morphology Growth rate carbon-specific Haptophyta Identification Isotopic fractionation Riebesell, Ulf Zondervan, Ingrid Rost, Björn Tortell, Philippe Daniel Zeebe, Richard E Morel, Francois M M Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) |
topic_facet |
Alkalinity Gran titration (Gran 1950) total Aragonite saturation state Bicarbonate ion Bottles or small containers/Aquaria (<20 L) Calcification/Dissolution Calcite saturation state Calculated see reference(s) Calculated after Freeman & Hayes (1992) Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate per cell organic Carbonate ion Carbonate system computation flag Carbon dioxide Carbon organic/inorganic ratio Chromista Colorimetry Entire community EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification EXP Experiment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Growth/Morphology Growth rate carbon-specific Haptophyta Identification Isotopic fractionation |
description |
The formation of calcareous skeletons by marine planktonic organisms and their subsequent sinking to depth generates a continuous rain of calcium carbonate to the deep ocean and underlying sediments. This is important in regulating marine carbon cycling and ocean-atmosphere CO2 exchange. The present rise in atmospheric CO2 levels causes significant changes in surface ocean pH and carbonate chemistry. Such changes have been shown to slow down calcification in corals and coralline macroalgae, but the majority of marine calcification occurs in planktonic organisms. Here we report reduced calcite production at increased CO2 concentrations in monospecific cultures of two dominant marine calcifying phytoplankton species, the coccolithophorids Emiliania huxleyi and Gephyrocapsa oceanica . This was accompanied by an increased proportion of malformed coccoliths and incomplete coccospheres. Diminished calcification led to a reduction in the ratio of calcite precipitation to organic matter production. Similar results were obtained in incubations of natural plankton assemblages from the north Pacific ocean when exposed to experimentally elevated CO2 levels. We suggest that the progressive increase in atmospheric CO2 concentrations may therefore slow down the production of calcium carbonate in the surface ocean. As the process of calcification releases CO2 to the atmosphere, the response observed here could potentially act as a negative feedback on atmospheric CO2 levels. |
format |
Dataset |
author |
Riebesell, Ulf Zondervan, Ingrid Rost, Björn Tortell, Philippe Daniel Zeebe, Richard E Morel, Francois M M |
author_facet |
Riebesell, Ulf Zondervan, Ingrid Rost, Björn Tortell, Philippe Daniel Zeebe, Richard E Morel, Francois M M |
author_sort |
Riebesell, Ulf |
title |
Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) |
title_short |
Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) |
title_full |
Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) |
title_fullStr |
Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) |
title_full_unstemmed |
Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) |
title_sort |
seawater carbonate chemistry and processes during experiments with emiliania huxleyi (pml b93/11a) |
publisher |
PANGAEA |
publishDate |
2002 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.726883 https://doi.org/10.1594/PANGAEA.726883 |
long_lat |
ENVELOPE(-64.167,-64.167,-66.833,-66.833) |
geographic |
Pacific Hayes |
geographic_facet |
Pacific Hayes |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Supplement to: Riebesell, Ulf; Zondervan, Ingrid; Rost, Björn; Tortell, Philippe Daniel; Zeebe, Richard E; Morel, Francois M M (2000): Reduced calcification of marine plankton in response to increased atmospheric CO2. Nature, 407, 364-367, https://doi.org/10.1038/35030078 |
op_relation |
Rost, Björn; Zondervan, Ingrid; Riebesell, Ulf (2002): Light-dependent carbon isotope fractionation in the coccolithophorid Emiliania huxleyi. Limnology and Oceanography, 47(1), 120-128, https://doi.org/10.4319/lo.2002.47.1.0120 Zondervan, Ingrid; Rost, Björn; Riebesell, Ulf (2002): Effect of CO2 concentration on the PIC/POC ratio in the coccolithophore Emiliania huxleyi grown under light-limiting conditions and different daylengths. Journal of Experimental Marine Biology and Ecology, 272(1), 55-70, https://doi.org/10.1016/S0022-0981(02)00037-0 Zondervan, Ingrid; Zeebe, Richard E; Rost, Björn; Riebesell, Ulf (2001): Decreasing Marine Biogenic Calcification: A Negative Feedback on Rising Atmospheric pCO2. Global Biogeochemical Cycles, 15(2), 507-516, https://doi.org/10.1029/2000GB001321 https://doi.pangaea.de/10.1594/PANGAEA.726883 https://doi.org/10.1594/PANGAEA.726883 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.72688310.1038/3503007810.4319/lo.2002.47.1.012010.1016/S0022-0981(02)00037-010.1029/2000GB001321 |
_version_ |
1798852686367424512 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.726883 2024-05-12T08:09:26+00:00 Seawater carbonate chemistry and processes during experiments with Emiliania huxleyi (PML B93/11A) Riebesell, Ulf Zondervan, Ingrid Rost, Björn Tortell, Philippe Daniel Zeebe, Richard E Morel, Francois M M 2002 text/tab-separated-values, 1190 data points https://doi.pangaea.de/10.1594/PANGAEA.726883 https://doi.org/10.1594/PANGAEA.726883 en eng PANGAEA Rost, Björn; Zondervan, Ingrid; Riebesell, Ulf (2002): Light-dependent carbon isotope fractionation in the coccolithophorid Emiliania huxleyi. Limnology and Oceanography, 47(1), 120-128, https://doi.org/10.4319/lo.2002.47.1.0120 Zondervan, Ingrid; Rost, Björn; Riebesell, Ulf (2002): Effect of CO2 concentration on the PIC/POC ratio in the coccolithophore Emiliania huxleyi grown under light-limiting conditions and different daylengths. Journal of Experimental Marine Biology and Ecology, 272(1), 55-70, https://doi.org/10.1016/S0022-0981(02)00037-0 Zondervan, Ingrid; Zeebe, Richard E; Rost, Björn; Riebesell, Ulf (2001): Decreasing Marine Biogenic Calcification: A Negative Feedback on Rising Atmospheric pCO2. Global Biogeochemical Cycles, 15(2), 507-516, https://doi.org/10.1029/2000GB001321 https://doi.pangaea.de/10.1594/PANGAEA.726883 https://doi.org/10.1594/PANGAEA.726883 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Riebesell, Ulf; Zondervan, Ingrid; Rost, Björn; Tortell, Philippe Daniel; Zeebe, Richard E; Morel, Francois M M (2000): Reduced calcification of marine plankton in response to increased atmospheric CO2. Nature, 407, 364-367, https://doi.org/10.1038/35030078 Alkalinity Gran titration (Gran 1950) total Aragonite saturation state Bicarbonate ion Bottles or small containers/Aquaria (<20 L) Calcification/Dissolution Calcite saturation state Calculated see reference(s) Calculated after Freeman & Hayes (1992) Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate per cell organic Carbonate ion Carbonate system computation flag Carbon dioxide Carbon organic/inorganic ratio Chromista Colorimetry Entire community EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification EXP Experiment Fugacity of carbon dioxide (water) at sea surface temperature (wet air) Growth/Morphology Growth rate carbon-specific Haptophyta Identification Isotopic fractionation Dataset 2002 ftpangaea https://doi.org/10.1594/PANGAEA.72688310.1038/3503007810.4319/lo.2002.47.1.012010.1016/S0022-0981(02)00037-010.1029/2000GB001321 2024-04-17T14:21:47Z The formation of calcareous skeletons by marine planktonic organisms and their subsequent sinking to depth generates a continuous rain of calcium carbonate to the deep ocean and underlying sediments. This is important in regulating marine carbon cycling and ocean-atmosphere CO2 exchange. The present rise in atmospheric CO2 levels causes significant changes in surface ocean pH and carbonate chemistry. Such changes have been shown to slow down calcification in corals and coralline macroalgae, but the majority of marine calcification occurs in planktonic organisms. Here we report reduced calcite production at increased CO2 concentrations in monospecific cultures of two dominant marine calcifying phytoplankton species, the coccolithophorids Emiliania huxleyi and Gephyrocapsa oceanica . This was accompanied by an increased proportion of malformed coccoliths and incomplete coccospheres. Diminished calcification led to a reduction in the ratio of calcite precipitation to organic matter production. Similar results were obtained in incubations of natural plankton assemblages from the north Pacific ocean when exposed to experimentally elevated CO2 levels. We suggest that the progressive increase in atmospheric CO2 concentrations may therefore slow down the production of calcium carbonate in the surface ocean. As the process of calcification releases CO2 to the atmosphere, the response observed here could potentially act as a negative feedback on atmospheric CO2 levels. Dataset Ocean acidification PANGAEA - Data Publisher for Earth & Environmental Science Pacific Hayes ENVELOPE(-64.167,-64.167,-66.833,-66.833) |