Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations
Diel and seasonal fluctuations in seawater carbonate chemistry are common in coastal waters, while in the open-ocean carbonate chemistry is much less variable. In both of these environments, ongoing ocean acidification is being superimposed on the natural dynamics of the carbonate buffer system to i...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.868779 2024-04-28T08:34:45+00:00 Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations Li, Futian Wu, YaPing Hutchins, David A Fu, Feixue Gao, Kunshan 2016 text/tab-separated-values, 1944 data points https://doi.pangaea.de/10.1594/PANGAEA.868779 https://doi.org/10.1594/PANGAEA.868779 en eng PANGAEA Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb https://doi.pangaea.de/10.1594/PANGAEA.868779 https://doi.org/10.1594/PANGAEA.868779 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Li, Futian; Wu, YaPing; Hutchins, David A; Fu, Feixue; Gao, Kunshan (2016): Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations. Biogeosciences, 13(22), 6247-6259, https://doi.org/10.5194/bg-13-6247-2016 Alkalinity total standard deviation Aragonite saturation state Bicarbonate ion Biogenic particulate silica/Carbon organic particulate Biogenic silica per cell Biogenic silica production Biogenic silica production per cell Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate/Nitrogen particulate ratio Carbonate ion Carbonate system computation flag Dataset 2016 ftpangaea https://doi.org/10.1594/PANGAEA.86877910.5194/bg-13-6247-2016 2024-04-09T23:35:28Z Diel and seasonal fluctuations in seawater carbonate chemistry are common in coastal waters, while in the open-ocean carbonate chemistry is much less variable. In both of these environments, ongoing ocean acidification is being superimposed on the natural dynamics of the carbonate buffer system to influence the physiology of phytoplankton. Here, we show that a coastal Thalassiosira weissflogii isolate and an oceanic diatom, Thalassiosira oceanica, respond differentially to diurnal fluctuating carbonate chemistry in current and ocean acidification (OA) scenarios. A fluctuating carbonate chemistry regime showed positive or negligible effects on physiological performance of the coastal species. In contrast, the oceanic species was significantly negatively affected. The fluctuating regime reduced photosynthetic oxygen evolution rates and enhanced dark respiration rates of T. oceanica under ambient CO2 concentration, while in the OA scenario the fluctuating regime depressed its growth rate, chlorophyll a content, and elemental production rates. These contrasting physiological performances of coastal and oceanic diatoms indicate that they differ in the ability to cope with dynamic pCO2. We propose that, in addition to the ability to cope with light, nutrient, and predation pressure, the ability to acclimate to dynamic carbonate chemistry may act as one determinant of the spatial distribution of diatom species. Habitat-relevant diurnal changes in seawater carbonate chemistry can interact with OA to differentially affect diatoms in coastal and pelagic waters. 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 standard deviation Aragonite saturation state Bicarbonate ion Biogenic particulate silica/Carbon organic particulate Biogenic silica per cell Biogenic silica production Biogenic silica production per cell Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate/Nitrogen particulate ratio Carbonate ion Carbonate system computation flag |
spellingShingle |
Alkalinity total standard deviation Aragonite saturation state Bicarbonate ion Biogenic particulate silica/Carbon organic particulate Biogenic silica per cell Biogenic silica production Biogenic silica production per cell Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate/Nitrogen particulate ratio Carbonate ion Carbonate system computation flag Li, Futian Wu, YaPing Hutchins, David A Fu, Feixue Gao, Kunshan Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations |
topic_facet |
Alkalinity total standard deviation Aragonite saturation state Bicarbonate ion Biogenic particulate silica/Carbon organic particulate Biogenic silica per cell Biogenic silica production Biogenic silica production per cell Biomass/Abundance/Elemental composition Bottles or small containers/Aquaria (<20 L) Calcite saturation state Calculated using CO2SYS Calculated using seacarb after Nisumaa et al. (2010) Carbon inorganic dissolved particulate/Nitrogen particulate ratio Carbonate ion Carbonate system computation flag |
description |
Diel and seasonal fluctuations in seawater carbonate chemistry are common in coastal waters, while in the open-ocean carbonate chemistry is much less variable. In both of these environments, ongoing ocean acidification is being superimposed on the natural dynamics of the carbonate buffer system to influence the physiology of phytoplankton. Here, we show that a coastal Thalassiosira weissflogii isolate and an oceanic diatom, Thalassiosira oceanica, respond differentially to diurnal fluctuating carbonate chemistry in current and ocean acidification (OA) scenarios. A fluctuating carbonate chemistry regime showed positive or negligible effects on physiological performance of the coastal species. In contrast, the oceanic species was significantly negatively affected. The fluctuating regime reduced photosynthetic oxygen evolution rates and enhanced dark respiration rates of T. oceanica under ambient CO2 concentration, while in the OA scenario the fluctuating regime depressed its growth rate, chlorophyll a content, and elemental production rates. These contrasting physiological performances of coastal and oceanic diatoms indicate that they differ in the ability to cope with dynamic pCO2. We propose that, in addition to the ability to cope with light, nutrient, and predation pressure, the ability to acclimate to dynamic carbonate chemistry may act as one determinant of the spatial distribution of diatom species. Habitat-relevant diurnal changes in seawater carbonate chemistry can interact with OA to differentially affect diatoms in coastal and pelagic waters. |
format |
Dataset |
author |
Li, Futian Wu, YaPing Hutchins, David A Fu, Feixue Gao, Kunshan |
author_facet |
Li, Futian Wu, YaPing Hutchins, David A Fu, Feixue Gao, Kunshan |
author_sort |
Li, Futian |
title |
Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations |
title_short |
Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations |
title_full |
Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations |
title_fullStr |
Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations |
title_full_unstemmed |
Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations |
title_sort |
physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two co2 concentrations |
publisher |
PANGAEA |
publishDate |
2016 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.868779 https://doi.org/10.1594/PANGAEA.868779 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Supplement to: Li, Futian; Wu, YaPing; Hutchins, David A; Fu, Feixue; Gao, Kunshan (2016): Physiological responses of coastal and oceanic diatoms to diurnal fluctuations in seawater carbonate chemistry under two CO2 concentrations. Biogeosciences, 13(22), 6247-6259, https://doi.org/10.5194/bg-13-6247-2016 |
op_relation |
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb https://doi.pangaea.de/10.1594/PANGAEA.868779 https://doi.org/10.1594/PANGAEA.868779 |
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.86877910.5194/bg-13-6247-2016 |
_version_ |
1797591313651073024 |