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  • Ammonium, excretion; Ammonium excretion; Azores_Sampling_Vent_mussel_Bathymodiolus_azoricus; Bathymodiolus; Colorimetric autoanalysis; Deep-sea; Event label; experiment; Experimental treatment; iAtlantic; Incubation duration; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Juveniles; NE Atlantic; Oxygen Dipping Probe, DP-PSt3, Fibox 4, PreSens; Respiration; Respiration rate, oxygen, per dry mass; Sediment plumes; Species, unique identification (Semantic URI); Species, unique identification (URI)  (1)
  • Aquarium number; ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Cnidaria; Condor Seamounts; enzyme activity; experiment; gene expression; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; JPI Oceans - Ecological Aspects of Deep-Sea Mining; JPIO-MiningImpact; Managing Impacts of Deep-seA reSource exploitation; Measurement duration; metabolism; metal bioaccumulation; MIDAS; North Atlantic; octocorals; Sampling_Azores_Cold_Water_Octocoral; Suspended polymetallic sulfide; Suspended quartz
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  • 1
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    Respiration and ammonium excretion rates measured from an ex-situ experiment testing the effects of mining-generated sediment plumes and de-oxygenation on the juveniles of the hydrothermal vent mussel Bathymodiolus azoricus (2023)
    PANGAEA
    Details
    Publication Date: 2024-05-24
    Description: We report the results of an aquaria-based experiment testing the effects of low oxygen and suspended particles generated during a potential mining activities accident on the juveniles of the vent mussel Bathymodiolus azoricus. Mussels were collected from the Lucky Strike hydrothermal vent field (Azores, NE Atlantic) at 1700 m water depth in 2021. Mussels were maintained in 1 l aquaria and exposed to four experimental treatments for a period of two weeks at the DeepSeaLab aquaria facilities (Okeanos-University of the Azores): (1) control conditions (no added sediments and normal seawater oxygen ); (2) low oxygen (difference of 30 µmol from the normal oxygen concentration); (3) suspended polymetallic sulphide (PMS) particles; (4) Low oxygen + suspended polymetallic sulphide (PMS) particles. PMS particles were obtained by grinding PMS inactive chimney rocks collected at the hydrothermal vent field Lucky Strike. Particles types were in concentration of 420 mg/l on day 8 and day 11. The putative effects of low oxygen, PMS particles, and the cumulative effect(s) were evaluated through measurements of mussel physiological responses at the organism level (respiration derived from oxygen consumption, ammonium excretion derived from (NH3+NH4+ fluxes).
    Keywords: Ammonium, excretion; Ammonium excretion; Azores_Sampling_Vent_mussel_Bathymodiolus_azoricus; Bathymodiolus; Colorimetric autoanalysis; Deep-sea; Event label; experiment; Experimental treatment; iAtlantic; Incubation duration; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Juveniles; NE Atlantic; Oxygen Dipping Probe, DP-PSt3, Fibox 4, PreSens; Respiration; Respiration rate, oxygen, per dry mass; Sediment plumes; Species, unique identification (Semantic URI); Species, unique identification (URI)
    Type: Dataset
    Format: text/tab-separated-values, 141 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Suspended sediment concentrations of an ex-situ experiment with the cold-water octocoral Dentomuricea aff. meteor in the Azores (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: We report the results of an aquaria-based experiment testing the effects of suspended particles generated during potential mining activities, on a common habitat-building coral species in the Azores, Dentomuricea aff. meteor. Coral fragments were maintained in 10-L aquaria and exposed to three experimental treatments for a period of four weeks at the DeepSeaLab aquaria facilities (Okeanos-University of the Azores): (1) control conditions (no added sediments); (2) suspended polymetallic sulphide (PMS) particles; (3) suspended quartz particles. The concentration of suspended PMS and quartz particles in each treatment was measured during an exposure period of 4 hours. Suspended particle concentrations were measured one minute after particle addition, and then at intervals of 5, 15, 30 minutes, 1 hour, 2 hours and 4 hours after particle addition in the PMS and quartz particle treatments and in control aquaria with no particle addition.
    Keywords: Aquarium number; ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Cnidaria; Condor Seamounts; enzyme activity; experiment; gene expression; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; JPI Oceans - Ecological Aspects of Deep-Sea Mining; JPIO-MiningImpact; Managing Impacts of Deep-seA reSource exploitation; Measurement duration; metabolism; metal bioaccumulation; MIDAS; North Atlantic; octocorals; Sampling_Azores_Cold_Water_Octocoral; Suspended polymetallic sulfide; Suspended quartz
    Type: Dataset
    Format: text/tab-separated-values, 92 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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