Citation:

PANGAEA.996176

Name: Seawater carbonate chemistry and effects of ocean liming on plankton growth and grazing in the Eastern Mediterranean
Published: 2026-07-23
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Behaviour; Biomass/Abundance/Elemental composition; Coast and continental shelf; Community composition and diversity; Entire community; Growth/Morphology; Laboratory experiment; Mediterranean Sea; Mesocosm or benthocosm; Ocean alkalinity enhancement; Other studied parameter or process; Pelagos; Temperate

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Published: 2026-07-23 • DOI registered: 2026-08-21

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Abstract:

In the framework of a mesocosm experiment, we conducted three dilution incubations to assess natural plankton response (abundance, composition, growth, grazing, diet, and food selectivity) to liming, achieved with calcium hydroxide (Ca(OH)2) additions. Experiments included two liming treatments (low concentration, and high concentration) and a control treatment without Ca(OH)2.

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 provided by the author of the related paper (see Related to) to 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 2026-07-22.

Keyword(s):

Behaviour; Biomass/Abundance/Elemental composition; Coast and continental shelf; Community composition and diversity; Entire community; Growth/Morphology; Laboratory experiment; Mediterranean Sea; Mesocosm or benthocosm; Ocean alkalinity enhancement; Other studied parameter or process; Pelagos; Temperate

Related to:

Traboni, Claudia; Nocera, Ariadna C; Romano, Filomena; Courboulès, Justine; Chantzaras, Christos; Magiopoulos, Iordanis; Varliero, Selene; Basso, Daniela; Pitta, Paraskevi (2025): Plankton do not care: Minimal effects of ocean liming on plankton growth and grazing in the Eastern Mediterranean. Limnology and Oceanography, 70(S2), https://doi.org/10.1002/lno.70136

References:

Nisumaa, Anne-Marin; Pesant, Stephane; Bellerby, Richard G J; Delille, Bruno; Middelburg, Jack J; Orr, James C; Riebesell, Ulf; Tyrrell, Toby; Wolf-Gladrow, Dieter A; Gattuso, Jean-Pierre (2010): EPOCA/EUR-OCEANS data compilation on the biological and biogeochemical responses to ocean acidification. Earth System Science Data, 2(2), 167-175, https://doi.org/10.5194/essd-2-167-2010

Yang, Yan; Brockmann, Patrick; Galdino, Carolina; Schindler, Uwe; Gazeau, Frédéric (2024): An update of data compilation on the biological response to ocean acidification and overview of the OA-ICC data portal. Earth System Science Data, 16(8), 3771-3780, https://doi.org/10.5194/essd-16-3771-2024

Yang, Yan; Hansson, L; Gattuso, Jean-Pierre (2016): Data compilation on the biological response to ocean acidification: an update. Earth System Science Data, 8(1), 79-87, https://doi.org/10.5194/essd-8-79-2016

Related code / software:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James; Gentili, Bernard; Hagens, Mathilde; Hofmann, Andreas; Mueller, Jens-Daniel; Proye, Aurélien; Rae, James; Soetaert, Karline (2024): seacarb: seawater carbonate chemistry with R. R package version 3.3.3. https://cran.r-project.org/web/packages/seacarb/index.html

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type of study	Study type		Traboni, Claudia
2	Figure	Fig		Traboni, Claudia
3	Treatment	Treat		Traboni, Claudia
4	Experiment	Exp		Traboni, Claudia
5	Chlorophyll a	Chl a	µg/l	Traboni, Claudia
6	Chlorophyll a, standard deviation	Chl a std dev	±	Traboni, Claudia
7	High nucleic acid bacteria	HNA	#/ml	Traboni, Claudia
8	High nucleic acid bacteria, standard deviation	HNA std dev	±	Traboni, Claudia
9	Low nucleic acid bacteria	LNA	#/ml	Traboni, Claudia
10	Low nucleic acid bacteria, standard deviation	LNA std dev	±	Traboni, Claudia
11	Synechococcus	Synechococcus	#/ml	Traboni, Claudia
12	Synechococcus, standard deviation	Synechococcus std dev	±	Traboni, Claudia
13	Flagellates, pigmented	Flagellate pigm	#/l	Traboni, Claudia
14	Flagellates, pigmented, standard deviation	Flagellate pigm std dev	±	Traboni, Claudia
15	Diatoms	Diatoms	#/l	Traboni, Claudia
16	Diatoms, standard deviation	Diatoms std dev	±	Traboni, Claudia
17	Dinoflagellates	Dinofl	#/l	Traboni, Claudia
18	Dinoflagellates, standard deviation	Dinofl std dev	±	Traboni, Claudia
19	Ciliates	Ciliates	#/l	Traboni, Claudia
20	Ciliates, standard deviation	Ciliates std dev	±	Traboni, Claudia
21	Growth rate	µ	1/day	Traboni, Claudia		Chl a specific
22	Growth rate, standard deviation	µ std dev	±	Traboni, Claudia		Chl a specific
23	Grazing rate	Graz rate	1/day	Traboni, Claudia		on Chl a
24	Grazing rate, standard deviation	Graz rate std dev	±	Traboni, Claudia		on Chl a
25	Group	Group		Traboni, Claudia
26	Growth rate	µ	1/day	Traboni, Claudia
27	Growth rate, standard deviation	µ std dev	±	Traboni, Claudia
28	Grazing rate	Graz rate	1/day	Traboni, Claudia
29	Grazing rate, standard deviation	Graz rate std dev	±	Traboni, Claudia
30	Growth rate	µ	1/day	Traboni, Claudia
31	Growth rate, standard deviation	µ std dev	±	Traboni, Claudia
32	Grazing rate	Graz rate	1/day	Traboni, Claudia
33	Grazing rate, standard deviation	Graz rate std dev	±	Traboni, Claudia
34	Abundance	Abund	%	Traboni, Claudia		contribution to environment
35	Abundance	Abund	%	Traboni, Claudia		contribution to diet
36	Size	Size		Traboni, Claudia
37	Electivity index	E		Traboni, Claudia
38	Temperature, water	Temp	°C	Traboni, Claudia
39	Irradiance	E	µmol photons/m²/s	Traboni, Claudia
40	pH, NBS scale	pH NBS		Traboni, Claudia
41	Alkalinity, total	AT	µmol/l	Traboni, Claudia
42	Salinity	Sal		Traboni, Claudia
43	Ammonium	[NH4]+	µmol/l	Traboni, Claudia
44	Nitrate	[NO3]-	µmol/l	Traboni, Claudia
45	Phosphate	[PO4]3-	µmol/l	Traboni, Claudia
46	Silicate	Si(OH)4	µmol/l	Traboni, Claudia
47	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
48	pH, total scale	pHT		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
49	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
50	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
51	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
52	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
53	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
54	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
55	Alkalinity, total	AT	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
56	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
57	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

20643 data points

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