Guo Jiaying A Jiaying.guo@utas.edu.au University of Tasmania UTAS http://www.utas.edu.au/ https://ror.org/01nfmeh72 Strzepek Robert F robert.strzepek@utas.edu.au 0000-0002-6442-7121 University of Tasmania UTAS http://www.utas.edu.au/ https://ror.org/01nfmeh72 Yuan Zhongwei GEOMAR - Helmholtz Centre for Ocean Research Kiel GEOMAR http://www.geomar.de https://ror.org/02h2x0161 Xiamen University https://ror.org/00mcjh785 Swadling Kerrie M 0000-0002-7620-841X University of Tasmania UTAS http://www.utas.edu.au/ https://ror.org/01nfmeh72 Townsend Ashley T 0000-0002-2972-2678 University of Tasmania UTAS http://www.utas.edu.au/ https://ror.org/01nfmeh72 Achterberg Eric Pieter eachterberg@geomar.de 0000-0002-3061-2767 GEOMAR - Helmholtz Centre for Ocean Research Kiel GEOMAR http://www.geomar.de https://ror.org/02h2x0161 Browning Thomas J tbrowning@geomar.de 0000-0002-2864-6087 GEOMAR - Helmholtz Centre for Ocean Research Kiel GEOMAR http://www.geomar.de https://ror.org/02h2x0161 Bach Lennart Thomas lennart.bach@utas.edu.au 0000-0003-0202-3671 University of Tasmania UTAS http://www.utas.edu.au/ https://ror.org/01nfmeh72 2026 Seawater carbonate chemistry and effects of ocean alkalinity enhancement on plankton in the Equatorial Pacific dataset https://doi.org/10.1594/PANGAEA.993517 2026-04-10T07:40:09 Here we conducted 19 shipbased experiments in the Equatorial Pacific, examining three prevalent alkaline substances (sodium hydroxide, olivine, and steel slag) and their effects on natural phytoplankton populations under realistic and moderate alkalinity enhancements (16–29 μmol/kg). This dataset is included in the OA-ICC data compilation maintained in the framework of the IAEA Ocean Acidification International Coordination Centre (see https://oa-icc.ipsl.fr). Original data were downloaded from figshare (see Source) by the OA-ICC data curator. In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2024) 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 by seacarb is 2026-04-09. Guo Jiaying A Jiaying.guo@utas.edu.au Strzepek Robert F robert.strzepek@utas.edu.au 0000-0002-6442-7121 Yuan Zhongwei Swadling Kerrie M 0000-0002-7620-841X Townsend Ashley T 0000-0002-2972-2678 Achterberg Eric Pieter eachterberg@geomar.de 0000-0002-3061-2767 Browning Thomas J tbrowning@geomar.de 0000-0002-2864-6087 Bach Lennart Thomas lennart.bach@utas.edu.au 0000-0003-0202-3671 2025 Effects of ocean alkalinity enhancement on plankton in the Equatorial Pacific journal article Communications Earth & Environment 6(1) https://doi.org/10.1038/s43247-025-02248-7 270 Guo Jiaying A Jiaying.guo@utas.edu.au Bach Lennart Thomas lennart.bach@utas.edu.au 0000-0003-0202-3671 2025 Supplementary Data for manuscript Effects of ocean alkalinity enhancement on plankton in the Equatorial Pacific dataset figshare https://doi.org/10.6084/M9.FIGSHARE.28578467.V1 Nisumaa Anne-Marin annemarin@gmail.com Pesant Stephane pesant@ebi.ac.uk 0000-0002-4936-5209 Bellerby Richard G J Richard.Bellerby@niva.no http://www2.bjerknes.uib.no/pages.asp?pid=21&kat=5&lang=2 Delille Bruno bruno.delille@uliege.be 0000-0003-0502-8101 Middelburg Jack J jmiddelburg@nioo.knaw.nl 0000-0003-3601-9072 Orr James C j.orr@iaea.org 0000-0002-8707-7080 Riebesell Ulf uriebesell@geomar.de https://www.geomar.de/uriebesell/ 0000-0002-9442-452X Tyrrell Toby t.tyrrell@noc.soton.ac.uk Wolf-Gladrow Dieter A dieter.wolf-gladrow@awi.de https://www.awi.de/en/about-us/organisation/staff/single-view/dieter-wolf-gladrow.html 0000-0001-9531-8668 Gattuso Jean-Pierre jean-pierre.gattuso@imev-mer.fr 0000-0002-4533-4114 2010 EPOCA/EUR-OCEANS data compilation on the biological and biogeochemical responses to ocean acidification journal article Earth System Science Data 2(2) https://doi.org/10.5194/essd-2-167-2010 167-175 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 Brockmann Patrick Galdino Carolina Schindler Uwe uschindler@pangaea.de https://blog.thetaphi.de/ 0000-0002-1900-4162 Gazeau Frédéric frederic.gazeau@imev-mer.fr 0000-0001-8807-4597 2024 An update of data compilation on the biological response to ocean acidification and overview of the OA-ICC data portal journal article Earth System Science Data 16(8) https://doi.org/10.5194/essd-16-3771-2024 3771-3780 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 Hansson L Gattuso Jean-Pierre jean-pierre.gattuso@imev-mer.fr 0000-0002-4533-4114 2016 Data compilation on the biological response to ocean acidification: an update journal article Earth System Science Data 8(1) https://doi.org/10.5194/essd-8-79-2016 79-87 Gattuso Jean-Pierre jean-pierre.gattuso@imev-mer.fr 0000-0002-4533-4114 Epitalon Jean-Marie Lavigne Héloïse hlavigne@naturalsciences.be 0009-0006-6766-0638 Orr James James.Orr@lsce.ipsl.fr Gentili Bernard bernard.gentili@orange.fr http://omtab.obs-vlfr.fr/personnes/z_gent_be/gentili.php Hagens Mathilde 0000-0003-3980-1043 Hofmann Andreas Mueller Jens-Daniel Proye Aurélien Rae James 0000-0003-3904-2526 Soetaert Karline karline.soetaert@nioz.nl 0000-0003-4603-7100 2024 seacarb: seawater carbonate chemistry with R. R package version 3.3.3 other https://cran.r-project.org/web/packages/seacarb/index.html Guo Jiaying A Jiaying.guo@utas.edu.au Bach Lennart Thomas lennart.bach@utas.edu.au 0000-0003-0202-3671 2024 SO298 Ocean Alkalinity Enhancement (OAE) Incubation dataset Institute for Marine and Antarctic Studies https://doi.org/10.25959/BMV8-1K07 OA-ICC Ocean Acidification International Coordination Centre https://www.iaea.org/services/oa-icc/science-and-collaboration/data-access-and-management International Atomic Energy Agency IAEA http://www.iaea.org https://ror.org/02zt1gg83 3819 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ Type of study Study type type Guo Jiaying A Jiaying.guo@utas.edu.au Study type Experiment number Exp no Guo Jiaying A Jiaying.guo@utas.edu.au Exp no Treatment Treat treatment Guo Jiaying A Jiaying.guo@utas.edu.au Treat Salinity Sal salinity http://purl.obolibrary.org/obo/PATO_0085001 Guo Jiaying A Jiaying.guo@utas.edu.au Sal Temperature, water Temp °C Temperature Θ http://dbpedia.org/resource/Temperature water http://purl.obolibrary.org/obo/CHEBI_15377 Guo Jiaying A Jiaying.guo@utas.edu.au Initial Temp [°C] (Initial) Nitrogen oxide NOx µmol/l nitrogen oxide http://purl.obolibrary.org/obo/CHEBI_35196 Molar Concentration Guo Jiaying A Jiaying.guo@utas.edu.au Initial NOx [µmol/l] (Initial) Phosphate [PO4]3- µmol/l phosphate http://purl.obolibrary.org/obo/CHEBI_26020 Molar Concentration Guo Jiaying A Jiaying.guo@utas.edu.au Initial [PO4]3- [µmol/l] (Initial) Silicate Si(OH)4 µmol/l Molar Concentration Guo Jiaying A Jiaying.guo@utas.edu.au Initial Si(OH)4 [µmol/l] (Initial) pH, total scale pHT Guo Jiaying A Jiaying.guo@utas.edu.au pHT pH, standard error pH std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au total scale pH std e [±] (total scale) Alkalinity, total AT µmol/kg total https://www.oxforddictionaries.com/definition/american_english/total Molar Concentration Guo Jiaying A Jiaying.guo@utas.edu.au AT [µmol/kg] Alkalinity, total, standard error AT std e ± total https://www.oxforddictionaries.com/definition/american_english/total standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au AT std e [±] Chlorophyll a Chl a µg/l hdl:10013/epic.32187.d001 chlorophyll a http://purl.obolibrary.org/obo/CHEBI_18230 Density http://dbpedia.org/resource/Density Guo Jiaying A Jiaying.guo@utas.edu.au Chl a [µg/l] Chlorophyll a, standard error Chl a std e ± chlorophyll a http://purl.obolibrary.org/obo/CHEBI_18230 standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au Chl a std e [±] Maximum quantum yield of photosystem II Fv/Fm Guo Jiaying A Jiaying.guo@utas.edu.au apparent Fv/Fm (apparent) Maximum photochemical quantum yield, standard error Fv/Fm std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au apparent Fv/Fm std e [±] (apparent) Bacteria, heterotrophic HBA #/ml Bacteria https://www.marinespecies.org/aphia.php?p=taxdetails&id=6 heterotrophic Guo Jiaying A Jiaying.guo@utas.edu.au HBA [#/ml] Bacteria, heterotrophic, standard error HBA std e ± Bacteria https://www.marinespecies.org/aphia.php?p=taxdetails&id=6 heterotrophic standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au HBA std e [±] Synechococcus Synechococcus #/ml Synechococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=160572 Guo Jiaying A Jiaying.guo@utas.edu.au Synechococcus [#/ml] Synechococcus, standard error Synechococcus std e ± Synechococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=160572 standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au Synechococcus std e [±] Prochlorococcus Prochlorococcus #/ml Prochlorococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=345515 Guo Jiaying A Jiaying.guo@utas.edu.au Prochlorococcus [#/ml] Prochlorococcus, standard error Prochlorococcus std e ± Prochlorococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=345515 standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au Prochlorococcus std e [±] Picoeukaryotes PEuk #/ml Guo Jiaying A Jiaying.guo@utas.edu.au PEuk [#/ml] Picoeukaryotes, standard error PEuk std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au PEuk std e [±] Nanoeukaryotes NEuk #/ml Guo Jiaying A Jiaying.guo@utas.edu.au NEuk [#/ml] Nanoeukaryotes, standard error NEuk std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au NEuk std e [±] Microeukaryotes MEuk #/ml Abundance per Volume Guo Jiaying A Jiaying.guo@utas.edu.au MEuk [#/ml] Microeukaryotes, standard error MEuk std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au MEuk std e [±] Microeukaryotes MEuk % Dimensionless Ratio ψ Guo Jiaying A Jiaying.guo@utas.edu.au MEuk [%] Microeukaryotes, standard error MEuk std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au percentage MEuk std e [±] (percentage) Nanoeukaryotes NEuk % Dimensionless Ratio ψ Guo Jiaying A Jiaying.guo@utas.edu.au NEuk [%] Nanoeukaryotes, standard error NEuk std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au NEuk std e [±] Picoeukaryotes Peuk % Dimensionless Ratio ψ Guo Jiaying A Jiaying.guo@utas.edu.au Peuk [%] Picoeukaryotes, standard error PEuk std e ± standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au PEuk std e [±] Prochlorococcus Prochlorococcus % Prochlorococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=345515 Dimensionless Ratio ψ Guo Jiaying A Jiaying.guo@utas.edu.au Prochlorococcus [%] Prochlorococcus, standard error Prochlorococcus std e ± Prochlorococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=345515 standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au Prochlorococcus std e [±] Synechococcus Synechococcus % http://www.marinespecies.org/aphia.php?p=taxdetails&id=160572 Synechococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=160572 Dimensionless Ratio ψ Guo Jiaying A Jiaying.guo@utas.edu.au Synechococcus [%] Synechococcus, standard error Synechococcus std e ± Synechococcus https://www.marinespecies.org/aphia.php?p=taxdetails&id=160572 standard error std e https://en.wikipedia.org/wiki/Standard_error Guo Jiaying A Jiaying.guo@utas.edu.au Synechococcus std e [±] Carbonate system computation flag CSC flag Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 CSC flag Carbon dioxide CO2 µmol/kg carbon dioxide http://purl.obolibrary.org/obo/CHEBI_16526 Molar Concentration Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 CO2 [µmol/kg] Fugacity of carbon dioxide (water) at sea surface temperature (wet air) fCO2water_SST_wet µatm fugacity https://en.wikipedia.org/wiki/Fugacity carbon dioxide http://purl.obolibrary.org/obo/CHEBI_16526 water http://purl.obolibrary.org/obo/CHEBI_15377 Energy Density http://dbpedia.org/resource/Energy_density Force Per Area Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 fCO2water_SST_wet [µatm] Partial pressure of carbon dioxide (water) at sea surface temperature (wet air) pCO2water_SST_wet µatm partial pressure carbon dioxide http://purl.obolibrary.org/obo/CHEBI_16526 water http://purl.obolibrary.org/obo/CHEBI_15377 Energy Density http://dbpedia.org/resource/Energy_density Force Per Area Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 pCO2water_SST_wet [µatm] Bicarbonate ion [HCO3]- µmol/kg Molar Concentration Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 [HCO3]- [µmol/kg] Carbonate ion [CO3]2- µmol/kg Molar Concentration Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 [CO3]2- [µmol/kg] Carbon, inorganic, dissolved DIC µmol/kg carbon C https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27594 dissolved http://purl.obolibrary.org/obo/PATO_0001986 Molar Concentration Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 DIC [µmol/kg] Aragonite saturation state Omega Arg aragonite saturation state Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 Omega Arg Calcite saturation state Omega Cal Calculated using seacarb after Nisumaa et al. (2010) https://doi.org/10.5194/essd-2-167-2010 Yang Yan yangyan@xmu.edu.cn http://mel.xmu.edu.cn/en/ 0000-0003-4900-5606 Omega Cal CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels citable Bottles or small containers/Aquaria (<20 L) Coast and continental shelf Community composition and diversity Entire community Iron and steel slag Laboratory experiment North Pacific Ocean alkalinity enhancement Open ocean Pelagos Primary production/Photosynthesis Silicates (e.g., olivine, basalt, wollastonite) Sodium hydroxide South Pacific Tropical author10110 author10403 author10414 author107699 author107700 author116742 author21564 author22144 author22148 author22159 author22414 author22445 author24922 author26442 author27217 author28754 author29138 author29176 author32865 author34379 author35685 author39204 author40036 author48750 author51658 author55788 author56746 author58461 author59042 author59171 author59172 author59173 author69140 author77097 curlevel30 inst20147 inst20253 inst20262 inst20476 journal16590 journal17037 license21 method6426 param101058 param101059 param106101 param128460 param128462 param129741 param134168 param136089 param15687 param15689 param174816 param185520 param18957 param2136 param27721 param29740 param49312 param49313 param521288 param534369 param54293 param54294 param559568 param559569 param559570 param559571 param559572 param559573 param559574 param559575 param559576 param716 param717 param755 param758 param80114 param82111 param82364 param82365 param82366 param87073 param96278 pi116742 pi48750 project4173 ref124625 ref128879 ref139181 ref139182 ref139183 ref31273 ref79258 term1061861 term1063231 term1063232 term1073484 term1073490 term1073493 term1073594 term1074698 term2606205 term2698012 term38253 term38477 term38527 term38841 term38844 term38851 term38852 term38856 term38858 term38859 term38889 term38896 term40646 term41013 term41291 term43298 term43792 term43794 term43821 term43834 term43972 term43997 term44001 term44023 term44030 term48166 term49506 term78027 term78603 term78605 term78607