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Carreiro-Silva, Marina; Marques, Sandra; Godinho, Antonio; Raimundo, Joana; Caetano, Miguel; Brito, Pedro; Colaço, Ana; Martins, Ines (2024): Aquarium monitoring during an ex-situ experiment on the effects of simulated deep-sea mining sediment plumes on the cold-water octocoral Dentomuricea aff. meteor in the Azores [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.966832

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Abstract:
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. Seawater physical-chemical parameters were measured daily in each aquarium. Temperature and pH were measured manually in each aquaria every day using a Mettler-Toledo Seven2Go pH /Ion meter S8, salinity was measured with a S30 SevenEasyTM conductivity meter and oxygen concentration was measured with a Fibox4 (PreSens) with a Oxygen Dipping Probe DP-PSt3.
Keyword(s):
CCFZ; Cnidaria; Deep sea; ecophysiology; ecotoxicology; hydrothermal vents
Funding:
European Commission (EC), grant/award no. ACORES-01-0145-FEDER-000122: ACORES 2020
Fundação para a Ciência e Tecnologia (FCT), grant/award no. 2020.03346.CEECIND/CP1611/CT0003: Stimulus of Scientific Employment
Fundação para a Ciência e Tecnologia (FCT), grant/award no. 2021.00101.CEECIND/CP1669/CT0001: Stimulus of Scientific Employment
Fundação para a Ciência e Tecnologia (FCT), grant/award no. CCCIND/03346/2020: Stimulus of Scientific Employment
Fundação para a Ciência e Tecnologia (FCT), grant/award no. CEECIND/00101/2021: Stimulus of Scientific Employment
Fundação para a Ciência e Tecnologia (FCT), grant/award no. Mining2/0005/2017: Mining Impact 2
Fundação para a Ciência e Tecnologia (FCT), grant/award no. PTDC/CTA-AMB/7948/2020: DeepRisk
Horizon 2020 (H2020), grant/award no. 818123: Integrated Assessment of Atlantic Marine Ecosystems in Space and Time
Coverage:
Median Latitude: 38.536510 * Median Longitude: -28.836243 * South-bound Latitude: 38.533330 * West-bound Longitude: -29.039155 * North-bound Latitude: 38.539689 * East-bound Longitude: -28.633330
Date/Time Start: 2020-10-15T00:00:00 * Date/Time End: 2022-06-20T00:00:00
Event(s):
Dentomuricea_aff_meteor_Aquaria_Experiment_2 * Latitude: 38.533330 * Longitude: -28.633330 * Date/Time: 2022-06-20T00:00:00 * Location: Azores * Method/Device: Laboratory experiment * Comment: Experiment conducted at the DeepSeaLab aquaria facilities of the Okeanos Institute, University of the Azore. Species: Dentomuricea aff. meteor
Dentomuricea_aff_meteor_Sampling_Site * Latitude: 38.539689 * Longitude: -29.039155 * Date/Time: 2020-10-15T00:00:00 * Location: Condor Seamounts * Method/Device: Longline deployment (LLDEP) * Comment: Dentomuricea aff. meteor collected as by-catch from experimental long-line fisheries on R/V Arquipelago (CONDOR monitoring program, University of the Azores) from 185-210 m depth.
Comment:
Species: Dentomuricea aff. meteor
1. Experimental treatments
Control: no particle addition
PMS10: Polymetallic sulphides at a concentration of 10 mg/l
PMS50: Polymetallic sulphides at a concentration of 50 mg/l
NFS10: Nodule field sediments at a concentration of 10 mg/l
NFS50: Nodule field sediments at a concentration of 50 mg/l
Particles delivered daily in 12 hours cycles
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1ExperimentExpCarreiro-Silva, Marina
2SpeciesSpeciesCarreiro-Silva, MarinaSpecies affinis
3Species, unique identification (Semantic URI)Species UID (Semantic URI)
4Species, unique identification (URI)Species UID (URI)
5Analysis date/time, experimentDate/time analysis expCarreiro-Silva, Marina
6TreatmentTreatCarreiro-Silva, Marina
7Experiment durationExp durationdaysCarreiro-Silva, MarinaExperiment duration:28 days. Experimental time: time 0 (T0, right before the start of the experiment), other times are given in days after the beginning of the experiment
8Aquaria IDAquaria IDCarreiro-Silva, Marina
9pHpHCarreiro-Silva, MarinapH meter, Mettler Toledo, Seven2Go pH /Ion meter S8
10Temperature, waterTemp°CCarreiro-Silva, MarinapH meter, Mettler Toledo, Seven2Go pH /Ion meter S8
11OxygenO2µmol/lCarreiro-Silva, MarinaOxygen Dipping Probe, DP-PSt3, Fibox 4, PreSens
12SalinitySalCarreiro-Silva, MarinaConductivity meter, S30 SevenEasy
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
3702 data points

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