Respiration rates of the cold-water octocoral Dentomuricea aff. meteor during an ex-situ experiment simulating deep-sea mining sediment plumes in the Azores
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| Format: | Dataset Open Access |
| Langue: | en |
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PANGAEA
2024
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| _version_ | 1867172346325893120 |
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| author | Carreiro-Silva, Marina Marques, Sandra Godinho, António Raimundo, Joana Caetano, Miguel Brito, Pedro Colaço, Ana Martins, Ines |
| author_facet | Carreiro-Silva, Marina Marques, Sandra Godinho, António Raimundo, Joana Caetano, Miguel Brito, Pedro Colaço, Ana Martins, Ines |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | We report the results of an aquaria-based experiment testing the effects of simulated sediment plumes generated during mining activities for the extraction of ferromanganese nodules in the Clarion-Clipperton Fracture Zone (CCFZ), northeastern equatorial Pacific Ocean, and seafloor massive sulfides from a hydrothermal vent field in the Azores, northeast Atlantic, on the physiology of the cold-water octocoral Dentomuricea aff. meteor. Coral fragments were exposed to five experimental treatments for a period of four weeks at the DeepSeaLab aquaria facilities (Okeanos-University of the Azores): (1) suspended plumes of abyssal sediments from nodule fields at a concentration of 10 mg/l; (2) suspended plumes of abyssal sediments from nodule fields at a concentration of 50 mg/l; (3) hydrothermal polymetallic sulphide particles at a concentration of 10 mg/l; (4) hydrothermal polymetallic sulphide particles at a concentration of 50 mg/l; and (5) a control treatment with no sediment addition. Measurements of respiration were made at T0 (immediately before the start of the experiment), and every week until the end of the experiment using an oxygen meter Fibox4 and PSt3 sensor spots (PreSens, Germany). Coral respiration rates were normalized to the coral skeletal surface area. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_966837 |
| institution | PANGAEA |
| language | en |
| publishDate | 2024 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Respiration rates of the cold-water octocoral Dentomuricea aff. meteor during an ex-situ experiment simulating deep-sea mining sediment plumes in the Azores Carreiro-Silva, Marina Marques, Sandra Godinho, António Raimundo, Joana Caetano, Miguel Brito, Pedro Colaço, Ana Martins, Ines Aquaria ID; Azores; CCFZ; Cnidaria; Condor Seamounts; Deep sea; Dentomuricea_aff_meteor_Aquaria_Experiment_2; Dentomuricea_aff_meteor_Sampling_Site; ecophysiology; ecotoxicology; Experiment duration; hydrothermal vents; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; LLDEP; Longline deployment; Oxygen Dipping Probe, DP-PSt3, Fibox 4, PreSens; Respiration rate, oxygen; Sample comment; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Treatment We report the results of an aquaria-based experiment testing the effects of simulated sediment plumes generated during mining activities for the extraction of ferromanganese nodules in the Clarion-Clipperton Fracture Zone (CCFZ), northeastern equatorial Pacific Ocean, and seafloor massive sulfides from a hydrothermal vent field in the Azores, northeast Atlantic, on the physiology of the cold-water octocoral Dentomuricea aff. meteor. Coral fragments were exposed to five experimental treatments for a period of four weeks at the DeepSeaLab aquaria facilities (Okeanos-University of the Azores): (1) suspended plumes of abyssal sediments from nodule fields at a concentration of 10 mg/l; (2) suspended plumes of abyssal sediments from nodule fields at a concentration of 50 mg/l; (3) hydrothermal polymetallic sulphide particles at a concentration of 10 mg/l; (4) hydrothermal polymetallic sulphide particles at a concentration of 50 mg/l; and (5) a control treatment with no sediment addition. Measurements of respiration were made at T0 (immediately before the start of the experiment), and every week until the end of the experiment using an oxygen meter Fibox4 and PSt3 sensor spots (PreSens, Germany). Coral respiration rates were normalized to the coral skeletal surface area. |
| title | Respiration rates of the cold-water octocoral Dentomuricea aff. meteor during an ex-situ experiment simulating deep-sea mining sediment plumes in the Azores |
| topic | Aquaria ID; Azores; CCFZ; Cnidaria; Condor Seamounts; Deep sea; Dentomuricea_aff_meteor_Aquaria_Experiment_2; Dentomuricea_aff_meteor_Sampling_Site; ecophysiology; ecotoxicology; Experiment duration; hydrothermal vents; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; LLDEP; Longline deployment; Oxygen Dipping Probe, DP-PSt3, Fibox 4, PreSens; Respiration rate, oxygen; Sample comment; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Treatment |
| url | https://doi.org/10.1594/PANGAEA.966837 |