| _version_ | 1867170101385494528 |
|---|---|
| author | Di Santo, Valentina |
| author_facet | Di Santo, Valentina |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Ocean acidification and warming are known to alter, and in many cases decrease, calcification rates of shell and reef building marine invertebrates. However, to date, there are no datasets on the combined effect of ocean pH and temperature on skeletal mineralization of marine vertebrates, such as fishes. Here, the embryos of an oviparous marine fish, the little skate (Leucoraja erinacea), were developmentally acclimatized to current and increased temperature and CO2 conditions as expected by the year 2100 (15 and 20 °C, approx. 400 and 1100 µatm, respectively), in a fully crossed experimental design. Using micro-computed tomography, hydroxyapatite density was estimated in the mineralized portion of the cartilage in jaws, crura, vertebrae, denticles and pectoral fins of juvenile skates. Mineralization increased as a consequence of high CO2 in the cartilage of crura and jaws, while temperature decreased mineralization in the pectoral fins. Mineralization affects stiffness and strength of skeletal elements linearly, with implications for feeding and locomotion performance and efficiency. This study is, to my knowledge, the first to quantify a significant change in mineralization in the skeleton of a fish and shows that changes in temperature and pH of the oceans have complex effects on fish skeletal morphology. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_919534 |
| institution | PANGAEA |
| language | en |
| publishDate | 2019 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Seawater carbonate chemistry and skeletal mineralization of a marine fish Di Santo, Valentina Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Bicarbonate ion; Body condition; Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Chordata; Containers and aquaria (20-1000 L or < 1 m**2); Disc length; Disc width; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Hydroxyapatite density; Identification; Laboratory experiment; Laboratory strains; Length; Leucoraja erinacea; Mass; Nekton; Not applicable; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; pH, NBS scale; pH, standard deviation; Position; Potentiometric; Potentiometric titration; Registration number of species; Salinity; Single species; Species; Temperature; Temperature, water; Temperature, water, standard deviation; Type; Uniform resource locator/link to reference Ocean acidification and warming are known to alter, and in many cases decrease, calcification rates of shell and reef building marine invertebrates. However, to date, there are no datasets on the combined effect of ocean pH and temperature on skeletal mineralization of marine vertebrates, such as fishes. Here, the embryos of an oviparous marine fish, the little skate (Leucoraja erinacea), were developmentally acclimatized to current and increased temperature and CO2 conditions as expected by the year 2100 (15 and 20 °C, approx. 400 and 1100 µatm, respectively), in a fully crossed experimental design. Using micro-computed tomography, hydroxyapatite density was estimated in the mineralized portion of the cartilage in jaws, crura, vertebrae, denticles and pectoral fins of juvenile skates. Mineralization increased as a consequence of high CO2 in the cartilage of crura and jaws, while temperature decreased mineralization in the pectoral fins. Mineralization affects stiffness and strength of skeletal elements linearly, with implications for feeding and locomotion performance and efficiency. This study is, to my knowledge, the first to quantify a significant change in mineralization in the skeleton of a fish and shows that changes in temperature and pH of the oceans have complex effects on fish skeletal morphology. |
| title | Seawater carbonate chemistry and skeletal mineralization of a marine fish |
| topic | Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Bicarbonate ion; Body condition; Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Chordata; Containers and aquaria (20-1000 L or < 1 m**2); Disc length; Disc width; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Hydroxyapatite density; Identification; Laboratory experiment; Laboratory strains; Length; Leucoraja erinacea; Mass; Nekton; Not applicable; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; pH, NBS scale; pH, standard deviation; Position; Potentiometric; Potentiometric titration; Registration number of species; Salinity; Single species; Species; Temperature; Temperature, water; Temperature, water, standard deviation; Type; Uniform resource locator/link to reference |
| url | https://doi.org/10.1594/PANGAEA.919534 |