Respiration rates of the cold-water octocoral Dentomuricea aff. meteor during an ex-situ experiment simulating deep-sea mining sediment plumes in the Azores

DOI

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.

Species: Dentomuricea aff. meteor1. Experimental treatmentsControl: no particle additionPMS10: Polymetallic sulphides at a concentration of 10 mg/lPMS50: Polymetallic sulphides at a concentration of 50 mg/lNFS10: Nodule field sediments at a concentration of 10 mg/lNFS50: Nodule field sediments at a concentration of 50 mg/lParticles delivered daily in 12 hours cycles

Identifier
DOI https://doi.org/10.1594/PANGAEA.966837
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.966837
Provenance
Creator Carreiro-Silva, Marina ORCID logo; Marques, Sandra; Godinho, Antonio; Raimundo, Joana ORCID logo; Caetano, Miguel ORCID logo; Brito, Pedro ORCID logo; Colaço, Ana ORCID logo; Martins, Ines ORCID logo
Publisher PANGAEA
Publication Year 2024
Funding Reference European Commission https://doi.org/10.13039/501100000780 Crossref Funder ID ACORES-01-0145-FEDER-000122 https://imar.org.pt/projetos/ ACORES 2020; Fundação para a Ciência e Tecnologia https://doi.org/10.13039/501100001871 Crossref Funder ID 2020.03346.CEECIND/CP1611/CT0003 https://www.doi.org/10.54499/2020.03346.CEECIND/CP1611/CT0003 Stimulus of Scientific Employment; Fundação para a Ciência e Tecnologia https://doi.org/10.13039/501100001871 Crossref Funder ID 2021.00101.CEECIND/CP1669/CT0001 https://www.doi.org/10.54499/2021.00101.CEECIND/CP1669/CT0001 Stimulus of Scientific Employment; Fundação para a Ciência e Tecnologia https://doi.org/10.13039/501100001871 Crossref Funder ID CCCIND/03346/2020 Stimulus of Scientific Employment; Fundação para a Ciência e Tecnologia https://doi.org/10.13039/501100001871 Crossref Funder ID CEECIND/00101/2021 Stimulus of Scientific Employment; Fundação para a Ciência e Tecnologia https://doi.org/10.13039/501100001871 Crossref Funder ID Mining2/0005/2017 Mining Impact 2; Fundação para a Ciência e Tecnologia https://doi.org/10.13039/501100001871 Crossref Funder ID PTDC/CTA-AMB/7948/2020 DeepRisk; Horizon 2020 https://doi.org/10.13039/501100007601 Crossref Funder ID 818123 https://doi.org/10.3030/818123 Integrated Assessment of Atlantic Marine Ecosystems in Space and Time
Rights Creative Commons Attribution 4.0 International; Data access is restricted (moratorium, sensitive data, license constraints); https://creativecommons.org/licenses/by/4.0/
OpenAccess false
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 1006 data points
Discipline Earth System Research
Spatial Coverage (-29.039W, 38.533S, -28.633E, 38.540N); Azores; Condor Seamounts
Temporal Coverage Begin 2020-10-15T00:00:00Z
Temporal Coverage End 2022-06-20T00:00:00Z