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| Main Authors: | , , , , |
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2026
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| Online Access: | https://doi.org/10.1594/PANGAEA.990365 |
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| _version_ | 1867172349067919360 |
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| author | Grandjean, Juliette González‑Aravena, Marcelo Gallardo, Pablo Dubois, Philippe Catarino, Ana Isabel |
| author_facet | Grandjean, Juliette González‑Aravena, Marcelo Gallardo, Pablo Dubois, Philippe Catarino, Ana Isabel |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | The goal of this work was to assess the effects of Ocean Acidification (OA) on Arbacia dufresnii, a sub-Antarctic sea urchin species. Adult specimens were exposed to three pH treatments: 7.4, 7.7, and 8.0 (control), for 21 up to 23 days. We assessed spine regeneration, a proxy of calcification, by cutting spines at the base of the shaft and evaluating the magnesium content, height, and weight of the regenerated part. The coelomic fluid was sampled for pH assessment and magnesium and calcium content analysis. The RNA/DNA ratio, a proxy of metabolic activity, was assessed in the gonads and body walls. 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 Marine Data Archive, VLIZ, Belgium (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 2026-01-30. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_990365 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Seawater carbonate chemistry and spine regeneration, coelomic fluid parameters and RNA/DNA ratio of sea‑urchin arbacia dufresnii Grandjean, Juliette González‑Aravena, Marcelo Gallardo, Pablo Dubois, Philippe Catarino, Ana Isabel Acid-base regulation; Alkalinity, total; Animalia; Aragonite saturation state; Arbacia dufresnii; Benthic animals; Benthos; Bicarbonate ion; Calcite saturation state; Calcium; Calcium carbonate, mass; Calcium ions, coelomic fluid; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Code; Coelomic fluid, magnesium/calcium ratio; Coelomic fluid, pH; Containers and aquaria (20-1000 L or < 1 m**2); Date/time analysis, experiment; Diameter; Echinodermata; Equilibrium constant, magnesium calcite dissolution; EXP; Experiment; Fuerte_Bulnes; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gender; Gene expression (incl. proteomics); Growth/Morphology; Height; High magnesium calcite saturation state; Identification; Ion activity, calcium, seawater; Ion activity, carbonate, seawater; Ion activity, magnesium, seawater; Ion activity product; Laboratory experiment; Logarithm; Magnesium; Magnesium, coelomic fluid; Magnesium carbonate; Mass; Number; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, total scale; RNA/DNA ratio; Salinity; Single species; South Atlantic; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperate; Temperature, water; Treatment: pH; Type of study The goal of this work was to assess the effects of Ocean Acidification (OA) on Arbacia dufresnii, a sub-Antarctic sea urchin species. Adult specimens were exposed to three pH treatments: 7.4, 7.7, and 8.0 (control), for 21 up to 23 days. We assessed spine regeneration, a proxy of calcification, by cutting spines at the base of the shaft and evaluating the magnesium content, height, and weight of the regenerated part. The coelomic fluid was sampled for pH assessment and magnesium and calcium content analysis. The RNA/DNA ratio, a proxy of metabolic activity, was assessed in the gonads and body walls. 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 Marine Data Archive, VLIZ, Belgium (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 2026-01-30. |
| title | Seawater carbonate chemistry and spine regeneration, coelomic fluid parameters and RNA/DNA ratio of sea‑urchin arbacia dufresnii |
| topic | Acid-base regulation; Alkalinity, total; Animalia; Aragonite saturation state; Arbacia dufresnii; Benthic animals; Benthos; Bicarbonate ion; Calcite saturation state; Calcium; Calcium carbonate, mass; Calcium ions, coelomic fluid; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Code; Coelomic fluid, magnesium/calcium ratio; Coelomic fluid, pH; Containers and aquaria (20-1000 L or < 1 m**2); Date/time analysis, experiment; Diameter; Echinodermata; Equilibrium constant, magnesium calcite dissolution; EXP; Experiment; Fuerte_Bulnes; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gender; Gene expression (incl. proteomics); Growth/Morphology; Height; High magnesium calcite saturation state; Identification; Ion activity, calcium, seawater; Ion activity, carbonate, seawater; Ion activity, magnesium, seawater; Ion activity product; Laboratory experiment; Logarithm; Magnesium; Magnesium, coelomic fluid; Magnesium carbonate; Mass; Number; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, total scale; RNA/DNA ratio; Salinity; Single species; South Atlantic; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperate; Temperature, water; Treatment: pH; Type of study |
| url | https://doi.org/10.1594/PANGAEA.990365 |