Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012
The effects of ocean acidification on the life-cycle stages of the coccolithophore Emiliania huxleyi and their by light were examined. Calcifying diploid and noncalcifying haploid cells (Roscoff culture collection 1216 and 1217) were acclimated to present-day and elevated CO2 partial pressures (PCO2...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.777432 2024-09-15T18:27:55+00:00 Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 Rokitta, Sebastian D Rost, Björn 2012 text/tab-separated-values, 536 data points https://doi.pangaea.de/10.1594/PANGAEA.777432 https://doi.org/10.1594/PANGAEA.777432 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.777432 https://doi.org/10.1594/PANGAEA.777432 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Rokitta, Sebastian D; Rost, Björn (2012): Effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi. Limnology and Oceanography, 57(2), 607-618, https://doi.org/10.4319/lo.2012.57.2.0607 Alkalinity Gran titration (Gran 1950) total standard deviation Aragonite saturation state Auto-analyzer Technicon Traacs 800 Bicarbonate ion Bicarbonate uptake/net fixation ratio 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 production per cell organic dataset 2012 ftpangaea https://doi.org/10.1594/PANGAEA.77743210.4319/lo.2012.57.2.0607 2024-07-24T02:31:31Z The effects of ocean acidification on the life-cycle stages of the coccolithophore Emiliania huxleyi and their by light were examined. Calcifying diploid and noncalcifying haploid cells (Roscoff culture collection 1216 and 1217) were acclimated to present-day and elevated CO2 partial pressures (PCO2; 38.5 vs. 101.3 Pa, ., 380 vs. 1000 matm) under low and high light (50 vs. 300 mmol photons m-2 s-1). Growth rates as well as quotas and production rates of C and N were measured. Sources of inorganic C for biomass buildup were using a 14C disequilibrium assay. Photosynthetic O2 evolution was measured as a function of dissolved inorganic C and light by means of membrane-inlet mass spectrometry. The diploid stage responded to elevated PCO2 by shunting resources from the production of particulate inorganic C toward organic C yet keeping the production of total particulate C constant. As the effect of ocean acidification was stronger under low light, the diploid stage might be less affected by increased acidity when energy availability is high. The haploid stage maintained elemental composition and production rates under elevated PCO2. Although both life-cycle stages involve different ways of dealing with elevated PCO2, the responses were generally modulated by energy availability, being typically most pronounced under low light. Additionally, PCO2 responses resembled those induced by high irradiances, indicating that ocean acidification affects the interplay between energy-generating processes (photosynthetic light reactions) and processes competing for energy (biomass buildup and calcification). A conceptual model is put forward explaining why the magnitude of single responses is determined by energy availability. 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 Gran titration (Gran 1950) total standard deviation Aragonite saturation state Auto-analyzer Technicon Traacs 800 Bicarbonate ion Bicarbonate uptake/net fixation ratio 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 production per cell organic |
spellingShingle |
Alkalinity Gran titration (Gran 1950) total standard deviation Aragonite saturation state Auto-analyzer Technicon Traacs 800 Bicarbonate ion Bicarbonate uptake/net fixation ratio 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 production per cell organic Rokitta, Sebastian D Rost, Björn Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 |
topic_facet |
Alkalinity Gran titration (Gran 1950) total standard deviation Aragonite saturation state Auto-analyzer Technicon Traacs 800 Bicarbonate ion Bicarbonate uptake/net fixation ratio 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 production per cell organic |
description |
The effects of ocean acidification on the life-cycle stages of the coccolithophore Emiliania huxleyi and their by light were examined. Calcifying diploid and noncalcifying haploid cells (Roscoff culture collection 1216 and 1217) were acclimated to present-day and elevated CO2 partial pressures (PCO2; 38.5 vs. 101.3 Pa, ., 380 vs. 1000 matm) under low and high light (50 vs. 300 mmol photons m-2 s-1). Growth rates as well as quotas and production rates of C and N were measured. Sources of inorganic C for biomass buildup were using a 14C disequilibrium assay. Photosynthetic O2 evolution was measured as a function of dissolved inorganic C and light by means of membrane-inlet mass spectrometry. The diploid stage responded to elevated PCO2 by shunting resources from the production of particulate inorganic C toward organic C yet keeping the production of total particulate C constant. As the effect of ocean acidification was stronger under low light, the diploid stage might be less affected by increased acidity when energy availability is high. The haploid stage maintained elemental composition and production rates under elevated PCO2. Although both life-cycle stages involve different ways of dealing with elevated PCO2, the responses were generally modulated by energy availability, being typically most pronounced under low light. Additionally, PCO2 responses resembled those induced by high irradiances, indicating that ocean acidification affects the interplay between energy-generating processes (photosynthetic light reactions) and processes competing for energy (biomass buildup and calcification). A conceptual model is put forward explaining why the magnitude of single responses is determined by energy availability. |
format |
Dataset |
author |
Rokitta, Sebastian D Rost, Björn |
author_facet |
Rokitta, Sebastian D Rost, Björn |
author_sort |
Rokitta, Sebastian D |
title |
Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 |
title_short |
Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 |
title_full |
Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 |
title_fullStr |
Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 |
title_full_unstemmed |
Seawater carbonate chemistry and effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi strains RCC 1216 and 1217 during experiments, 2012 |
title_sort |
seawater carbonate chemistry and effects of co2 and their modulation by light in the life-cycle stages of the coccolithophore emiliania huxleyi strains rcc 1216 and 1217 during experiments, 2012 |
publisher |
PANGAEA |
publishDate |
2012 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.777432 https://doi.org/10.1594/PANGAEA.777432 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Supplement to: Rokitta, Sebastian D; Rost, Björn (2012): Effects of CO2 and their modulation by light in the life-cycle stages of the coccolithophore Emiliania huxleyi. Limnology and Oceanography, 57(2), 607-618, https://doi.org/10.4319/lo.2012.57.2.0607 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.777432 https://doi.org/10.1594/PANGAEA.777432 |
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.77743210.4319/lo.2012.57.2.0607 |
_version_ |
1810469202441535488 |