Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ...
The potential interactive effects of iron (Fe) limitation and Ocean Acidification in the Southern Ocean (SO) are largely unknown. Here we present results of a long-term incubation experiment investigating the combined effects of CO2 and Fe availability on natural phytoplankton assemblages from the W...
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Online Access: | https://dx.doi.org/10.1594/pangaea.836013 https://doi.pangaea.de/10.1594/PANGAEA.836013 |
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ftdatacite:10.1594/pangaea.836013 2023-10-01T03:50:36+02:00 Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... Hoppe, Clara Jule Marie Hassler, Christel S Payne, Christopher D Tortell, Philippe Daniel Rost, Björn Trimborn, Scarlett 2013 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.836013 https://doi.pangaea.de/10.1594/PANGAEA.836013 en eng PANGAEA https://cran.r-project.org/package=seacarb https://dx.doi.org/10.1371/journal.pone.0079890 https://cran.r-project.org/package=seacarb Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Antarctic Bottles or small containers/Aquaria <20 L Community composition and diversity Entire community Laboratory experiment Micro-nutrients Open ocean Pelagos Polar Primary production/Photosynthesis Table Figure Date Partial pressure of carbon dioxide water at sea surface temperature wet air Treatment Identification Photosynthetic efficiency Net primary production of carbon per particulate organic carbon Chlorophyll a/particulate organic carbon ratio Effective absorbance cross-section of photosystem II Non photochemical quenching Electron transport rate, relative Species Percentage Percentage, standard deviation Iron, dissolved Iron, dissolved, standard deviation Salinity Temperature, water Phosphate Silicate Carbon, inorganic, dissolved Carbon, inorganic, dissolved, standard deviation Alkalinity, total Alkalinity, total, standard deviation pH pH, standard deviation Partial pressure of carbon dioxide, standard deviation Carbonate system computation flag Carbon dioxide Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Aragonite saturation state Calcite saturation state Coulometric titration Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC Dataset Supplementary Dataset dataset 2013 ftdatacite https://doi.org/10.1594/pangaea.83601310.1371/journal.pone.0079890 2023-09-04T14:52:34Z The potential interactive effects of iron (Fe) limitation and Ocean Acidification in the Southern Ocean (SO) are largely unknown. Here we present results of a long-term incubation experiment investigating the combined effects of CO2 and Fe availability on natural phytoplankton assemblages from the Weddell Sea, Antarctica. Active Chl a fluorescence measurements revealed that we successfully cultured phytoplankton under both Fe-depleted and Fe-enriched conditions. Fe treatments had significant effects on photosynthetic efficiency (Fv/Fm; 0.3 for Fe-depleted and 0.5 for Fe-enriched conditions), non-photochemical quenching (NPQ), and relative electron transport rates (rETR). pCO2 treatments significantly affected NPQ and rETR, but had no effect on Fv/Fm. Under Fe limitation, increased pCO2 had no influence on C fixation whereas under Fe enrichment, primary production increased with increasing pCO2 levels. These CO2-dependent changes in productivity under Fe-enriched conditions were accompanied by a pronounced ... : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation is 2014-09-16. ... Dataset Antarc* Antarctic Antarctica Ocean acidification Southern Ocean Weddell Sea DataCite Metadata Store (German National Library of Science and Technology) Antarctic Southern Ocean Weddell Weddell Sea |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Antarctic Bottles or small containers/Aquaria <20 L Community composition and diversity Entire community Laboratory experiment Micro-nutrients Open ocean Pelagos Polar Primary production/Photosynthesis Table Figure Date Partial pressure of carbon dioxide water at sea surface temperature wet air Treatment Identification Photosynthetic efficiency Net primary production of carbon per particulate organic carbon Chlorophyll a/particulate organic carbon ratio Effective absorbance cross-section of photosystem II Non photochemical quenching Electron transport rate, relative Species Percentage Percentage, standard deviation Iron, dissolved Iron, dissolved, standard deviation Salinity Temperature, water Phosphate Silicate Carbon, inorganic, dissolved Carbon, inorganic, dissolved, standard deviation Alkalinity, total Alkalinity, total, standard deviation pH pH, standard deviation Partial pressure of carbon dioxide, standard deviation Carbonate system computation flag Carbon dioxide Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Aragonite saturation state Calcite saturation state Coulometric titration Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC |
spellingShingle |
Antarctic Bottles or small containers/Aquaria <20 L Community composition and diversity Entire community Laboratory experiment Micro-nutrients Open ocean Pelagos Polar Primary production/Photosynthesis Table Figure Date Partial pressure of carbon dioxide water at sea surface temperature wet air Treatment Identification Photosynthetic efficiency Net primary production of carbon per particulate organic carbon Chlorophyll a/particulate organic carbon ratio Effective absorbance cross-section of photosystem II Non photochemical quenching Electron transport rate, relative Species Percentage Percentage, standard deviation Iron, dissolved Iron, dissolved, standard deviation Salinity Temperature, water Phosphate Silicate Carbon, inorganic, dissolved Carbon, inorganic, dissolved, standard deviation Alkalinity, total Alkalinity, total, standard deviation pH pH, standard deviation Partial pressure of carbon dioxide, standard deviation Carbonate system computation flag Carbon dioxide Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Aragonite saturation state Calcite saturation state Coulometric titration Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC Hoppe, Clara Jule Marie Hassler, Christel S Payne, Christopher D Tortell, Philippe Daniel Rost, Björn Trimborn, Scarlett Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
topic_facet |
Antarctic Bottles or small containers/Aquaria <20 L Community composition and diversity Entire community Laboratory experiment Micro-nutrients Open ocean Pelagos Polar Primary production/Photosynthesis Table Figure Date Partial pressure of carbon dioxide water at sea surface temperature wet air Treatment Identification Photosynthetic efficiency Net primary production of carbon per particulate organic carbon Chlorophyll a/particulate organic carbon ratio Effective absorbance cross-section of photosystem II Non photochemical quenching Electron transport rate, relative Species Percentage Percentage, standard deviation Iron, dissolved Iron, dissolved, standard deviation Salinity Temperature, water Phosphate Silicate Carbon, inorganic, dissolved Carbon, inorganic, dissolved, standard deviation Alkalinity, total Alkalinity, total, standard deviation pH pH, standard deviation Partial pressure of carbon dioxide, standard deviation Carbonate system computation flag Carbon dioxide Fugacity of carbon dioxide water at sea surface temperature wet air Bicarbonate ion Carbonate ion Aragonite saturation state Calcite saturation state Coulometric titration Potentiometric titration Potentiometric Calculated using seacarb after Nisumaa et al. 2010 Ocean Acidification International Coordination Centre OA-ICC |
description |
The potential interactive effects of iron (Fe) limitation and Ocean Acidification in the Southern Ocean (SO) are largely unknown. Here we present results of a long-term incubation experiment investigating the combined effects of CO2 and Fe availability on natural phytoplankton assemblages from the Weddell Sea, Antarctica. Active Chl a fluorescence measurements revealed that we successfully cultured phytoplankton under both Fe-depleted and Fe-enriched conditions. Fe treatments had significant effects on photosynthetic efficiency (Fv/Fm; 0.3 for Fe-depleted and 0.5 for Fe-enriched conditions), non-photochemical quenching (NPQ), and relative electron transport rates (rETR). pCO2 treatments significantly affected NPQ and rETR, but had no effect on Fv/Fm. Under Fe limitation, increased pCO2 had no influence on C fixation whereas under Fe enrichment, primary production increased with increasing pCO2 levels. These CO2-dependent changes in productivity under Fe-enriched conditions were accompanied by a pronounced ... : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation is 2014-09-16. ... |
format |
Dataset |
author |
Hoppe, Clara Jule Marie Hassler, Christel S Payne, Christopher D Tortell, Philippe Daniel Rost, Björn Trimborn, Scarlett |
author_facet |
Hoppe, Clara Jule Marie Hassler, Christel S Payne, Christopher D Tortell, Philippe Daniel Rost, Björn Trimborn, Scarlett |
author_sort |
Hoppe, Clara Jule Marie |
title |
Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
title_short |
Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
title_full |
Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
title_fullStr |
Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
title_full_unstemmed |
Iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
title_sort |
iron limitation modulates ocean acidification effects on southern ocean phytoplankton communities ... |
publisher |
PANGAEA |
publishDate |
2013 |
url |
https://dx.doi.org/10.1594/pangaea.836013 https://doi.pangaea.de/10.1594/PANGAEA.836013 |
geographic |
Antarctic Southern Ocean Weddell Weddell Sea |
geographic_facet |
Antarctic Southern Ocean Weddell Weddell Sea |
genre |
Antarc* Antarctic Antarctica Ocean acidification Southern Ocean Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctica Ocean acidification Southern Ocean Weddell Sea |
op_relation |
https://cran.r-project.org/package=seacarb https://dx.doi.org/10.1371/journal.pone.0079890 https://cran.r-project.org/package=seacarb |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.83601310.1371/journal.pone.0079890 |
_version_ |
1778525252697980928 |