Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011

All species of coccolithophore appear to respond to perturbations of carbonate chemistry in a different way. Here, we show that the degree of malformation, growth rate and stable isotopic composition of organic matter and carbonate produced by two contrasting species of coccolithophore (Gephyrocapsa...

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Main Authors: Rickaby, Rosalind E M, Henderiks, Jorijntje, Young, J N
Format: Dataset
Language:English
Published: PANGAEA 2010
Subjects:
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.771912
https://doi.org/10.1594/PANGAEA.771912
id ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.771912
record_format openpolar
spelling ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.771912 2023-05-15T17:52:08+02:00 Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011 Rickaby, Rosalind E M Henderiks, Jorijntje Young, J N 2010-11-26 text/tab-separated-values, 1647 data points https://doi.pangaea.de/10.1594/PANGAEA.771912 https://doi.org/10.1594/PANGAEA.771912 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.771912 https://doi.org/10.1594/PANGAEA.771912 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Rickaby, Rosalind E M; Henderiks, Jorijntje; Young, J N (2010): Perturbing phytoplankton: response and isotopic fractionation with changing carbonate chemistry in two coccolithophore species. Climate of the Past, 6(6), 771-785, https://doi.org/10.5194/cp-6-771-2010 Alkalinity total Aragonite saturation state Bicarbonate ion Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcification/Dissolution Calcite saturation state Calculated see reference(s) Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate per cell organic particulate/Nitrogen particulate ratio Carbonate ion Carbonate system computation flag Carbon dioxide Chromista Coccolithus braarudii collapsed spheres intact spheres malformed EPOCA EUR-OCEANS European network of excellence for Ocean Ecosystems Analysis European Project on Ocean Acidification Experimental treatment Dataset 2010 ftpangaea https://doi.org/10.1594/PANGAEA.771912 https://doi.org/10.5194/cp-6-771-2010 2023-01-20T08:52:54Z All species of coccolithophore appear to respond to perturbations of carbonate chemistry in a different way. Here, we show that the degree of malformation, growth rate and stable isotopic composition of organic matter and carbonate produced by two contrasting species of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) are indicative of differences between their photosynthetic and calcification response to changing DIC levels (ranging from ~1100 to ~7800 µmol/kg) at constant pH (8.13 ± 0.02). Gephyrocapsa oceanica thrived under all conditions of DIC, showing evidence of increased growth rates at higher DIC, but C. braarudii was detrimentally affected at high DIC showing signs of malformation, and decreased growth rates. The carbon isotopic fractionation into organic matter and the coccoliths suggests that C. braarudii utilises a common internal pool of carbon for calcification and photosynthesis but G. oceanica relies on independent supplies for each process. All coccolithophores appear to utilize bicarbonate as their ultimate source of carbon for calcification resulting in the release of a proton. But, we suggest that this proton can be harnessed to enhance the supply of CO2(aq) for photosynthesis either from a large internal HCO3- pool which acts as a pH buffer (C. braarudii), or pumped externally to aid the diffusive supply of CO2 across the membrane from the abundant HCO3- (G. oceanica), likely mediated by an internal and external carbonic anhydrase respectively. Our simplified hypothetical spectrum of physiologies may provide a context to understand different species response to changing pH and DIC, the species-specific delta p and calcite "vital effects", as well as accounting for geological trends in coccolithophore cell size. Dataset Ocean acidification PANGAEA - Data Publisher for Earth & Environmental Science
institution Open Polar
collection PANGAEA - Data Publisher for Earth & Environmental Science
op_collection_id ftpangaea
language English
topic Alkalinity
total
Aragonite saturation state
Bicarbonate ion
Biomass/Abundance/Elemental composition
Bottles or small containers/Aquaria (<20 L)
Calcification/Dissolution
Calcite saturation state
Calculated
see reference(s)
Calculated using CO2SYS
Calculated using seacarb after Nisumaa et al. (2010)
Carbon
inorganic
dissolved
particulate
per cell
organic
particulate/Nitrogen
particulate ratio
Carbonate ion
Carbonate system computation flag
Carbon dioxide
Chromista
Coccolithus braarudii
collapsed spheres
intact spheres
malformed
EPOCA
EUR-OCEANS
European network of excellence for Ocean Ecosystems Analysis
European Project on Ocean Acidification
Experimental treatment
spellingShingle Alkalinity
total
Aragonite saturation state
Bicarbonate ion
Biomass/Abundance/Elemental composition
Bottles or small containers/Aquaria (<20 L)
Calcification/Dissolution
Calcite saturation state
Calculated
see reference(s)
Calculated using CO2SYS
Calculated using seacarb after Nisumaa et al. (2010)
Carbon
inorganic
dissolved
particulate
per cell
organic
particulate/Nitrogen
particulate ratio
Carbonate ion
Carbonate system computation flag
Carbon dioxide
Chromista
Coccolithus braarudii
collapsed spheres
intact spheres
malformed
EPOCA
EUR-OCEANS
European network of excellence for Ocean Ecosystems Analysis
European Project on Ocean Acidification
Experimental treatment
Rickaby, Rosalind E M
Henderiks, Jorijntje
Young, J N
Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011
topic_facet Alkalinity
total
Aragonite saturation state
Bicarbonate ion
Biomass/Abundance/Elemental composition
Bottles or small containers/Aquaria (<20 L)
Calcification/Dissolution
Calcite saturation state
Calculated
see reference(s)
Calculated using CO2SYS
Calculated using seacarb after Nisumaa et al. (2010)
Carbon
inorganic
dissolved
particulate
per cell
organic
particulate/Nitrogen
particulate ratio
Carbonate ion
Carbonate system computation flag
Carbon dioxide
Chromista
Coccolithus braarudii
collapsed spheres
intact spheres
malformed
EPOCA
EUR-OCEANS
European network of excellence for Ocean Ecosystems Analysis
European Project on Ocean Acidification
Experimental treatment
description All species of coccolithophore appear to respond to perturbations of carbonate chemistry in a different way. Here, we show that the degree of malformation, growth rate and stable isotopic composition of organic matter and carbonate produced by two contrasting species of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) are indicative of differences between their photosynthetic and calcification response to changing DIC levels (ranging from ~1100 to ~7800 µmol/kg) at constant pH (8.13 ± 0.02). Gephyrocapsa oceanica thrived under all conditions of DIC, showing evidence of increased growth rates at higher DIC, but C. braarudii was detrimentally affected at high DIC showing signs of malformation, and decreased growth rates. The carbon isotopic fractionation into organic matter and the coccoliths suggests that C. braarudii utilises a common internal pool of carbon for calcification and photosynthesis but G. oceanica relies on independent supplies for each process. All coccolithophores appear to utilize bicarbonate as their ultimate source of carbon for calcification resulting in the release of a proton. But, we suggest that this proton can be harnessed to enhance the supply of CO2(aq) for photosynthesis either from a large internal HCO3- pool which acts as a pH buffer (C. braarudii), or pumped externally to aid the diffusive supply of CO2 across the membrane from the abundant HCO3- (G. oceanica), likely mediated by an internal and external carbonic anhydrase respectively. Our simplified hypothetical spectrum of physiologies may provide a context to understand different species response to changing pH and DIC, the species-specific delta p and calcite "vital effects", as well as accounting for geological trends in coccolithophore cell size.
format Dataset
author Rickaby, Rosalind E M
Henderiks, Jorijntje
Young, J N
author_facet Rickaby, Rosalind E M
Henderiks, Jorijntje
Young, J N
author_sort Rickaby, Rosalind E M
title Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011
title_short Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011
title_full Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011
title_fullStr Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011
title_full_unstemmed Seawater carbonate chemistry and biological processes of coccolithophore (Gephyrocapsa oceanica and Coccolithus pelagicus ssp. braarudii) during experiments, 2011
title_sort seawater carbonate chemistry and biological processes of coccolithophore (gephyrocapsa oceanica and coccolithus pelagicus ssp. braarudii) during experiments, 2011
publisher PANGAEA
publishDate 2010
url https://doi.pangaea.de/10.1594/PANGAEA.771912
https://doi.org/10.1594/PANGAEA.771912
genre Ocean acidification
genre_facet Ocean acidification
op_source Supplement to: Rickaby, Rosalind E M; Henderiks, Jorijntje; Young, J N (2010): Perturbing phytoplankton: response and isotopic fractionation with changing carbonate chemistry in two coccolithophore species. Climate of the Past, 6(6), 771-785, https://doi.org/10.5194/cp-6-771-2010
op_relation https://doi.pangaea.de/10.1594/PANGAEA.771912
https://doi.org/10.1594/PANGAEA.771912
op_rights CC-BY-3.0: Creative Commons Attribution 3.0 Unported
Access constraints: unrestricted
info:eu-repo/semantics/openAccess
op_rightsnorm CC-BY
op_doi https://doi.org/10.1594/PANGAEA.771912
https://doi.org/10.5194/cp-6-771-2010
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