Seawater carbonate chemistry and calcification of two mediterranean cold-water coral species in a laboratory experiment
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| Autores principales: | , , , , , , , |
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
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PANGAEA
2014
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| _version_ | 1867168152331223040 |
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| author | Movilla, Juancho Gori, Andrea Calvo, Eva Orejas, Covadonga Lopez-Sanz, Angel Domínguez-Carrió, Carlos Grinyó, Jordi Pelejero, Carles |
| author_facet | Movilla, Juancho Gori, Andrea Calvo, Eva Orejas, Covadonga Lopez-Sanz, Angel Domínguez-Carrió, Carlos Grinyó, Jordi Pelejero, Carles |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Deep-water ecosystems are characterized by relatively low carbonate concentration values and, due to ocean acidification (OA), these habitats might be among the first to be exposed to undersaturated conditions in the forthcoming years. However, until now, very few studies have been conducted to test how cold-water coral (CWC) species react to such changes in the seawater chemistry. The present work aims to investigate the mid-term effect of decreased pH on calcification of the two branching CWC species most widely distributed in the Mediterranean, Lophelia pertusa and Madrepora oculata. No significant effects were observed in the skeletal growth rate, microdensity and porosity of both species after 6 months of exposure. However, while the calcification rate of M. oculata was similar for all colony fragments, a heterogeneous skeletal growth pattern was observed in L. pertusa, the younger nubbins showing higher growth rates than the older ones. A higher energy demand is expected in these young, fast-growing fragments and, therefore, a reduction in calcification might be noticed earlier during long-term exposure to acidified conditions. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_833187 |
| institution | PANGAEA |
| language | en |
| publishDate | 2014 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Seawater carbonate chemistry and calcification of two mediterranean cold-water coral species in a laboratory experiment Movilla, Juancho Gori, Andrea Calvo, Eva Orejas, Covadonga Lopez-Sanz, Angel Domínguez-Carrió, Carlos Grinyó, Jordi Pelejero, Carles Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Benthic animals; Benthos; Bicarbonate ion; Bicarbonate ion, standard deviation; Calcification/Dissolution; Calcification rate of calcium carbonate; Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2calc; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Cnidaria; Containers and aquaria (20-1000 L or < 1 m**2); Deep-sea; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Identification; Incubation duration; Laboratory experiment; Lophelia pertusa; Madrepora oculata; Mass; Mediterranean Sea; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, standard deviation; pH, total scale; Potentiometric titration; Salinity; Salinity, standard deviation; Single species; Species; Spectrophotometric; Temperate; Temperature, water; Temperature, water, standard deviation; Treatment Deep-water ecosystems are characterized by relatively low carbonate concentration values and, due to ocean acidification (OA), these habitats might be among the first to be exposed to undersaturated conditions in the forthcoming years. However, until now, very few studies have been conducted to test how cold-water coral (CWC) species react to such changes in the seawater chemistry. The present work aims to investigate the mid-term effect of decreased pH on calcification of the two branching CWC species most widely distributed in the Mediterranean, Lophelia pertusa and Madrepora oculata. No significant effects were observed in the skeletal growth rate, microdensity and porosity of both species after 6 months of exposure. However, while the calcification rate of M. oculata was similar for all colony fragments, a heterogeneous skeletal growth pattern was observed in L. pertusa, the younger nubbins showing higher growth rates than the older ones. A higher energy demand is expected in these young, fast-growing fragments and, therefore, a reduction in calcification might be noticed earlier during long-term exposure to acidified conditions. |
| title | Seawater carbonate chemistry and calcification of two mediterranean cold-water coral species in a laboratory experiment |
| topic | Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Aragonite saturation state, standard deviation; Benthic animals; Benthos; Bicarbonate ion; Bicarbonate ion, standard deviation; Calcification/Dissolution; Calcification rate of calcium carbonate; Calcite saturation state; Calcite saturation state, standard deviation; Calculated using CO2calc; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate ion, standard deviation; Carbonate system computation flag; Carbon dioxide; Carbon dioxide, standard deviation; Cnidaria; Containers and aquaria (20-1000 L or < 1 m**2); Deep-sea; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Identification; Incubation duration; Laboratory experiment; Lophelia pertusa; Madrepora oculata; Mass; Mediterranean Sea; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, standard deviation; pH, total scale; Potentiometric titration; Salinity; Salinity, standard deviation; Single species; Species; Spectrophotometric; Temperate; Temperature, water; Temperature, water, standard deviation; Treatment |
| url | https://doi.org/10.1594/PANGAEA.833187 |