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  • 1
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    Unknown
    Effects of ocean acidification on larval swimming behaviour of the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-12
    Description: The objective of this study is to determine the effects of ocean acidification (OA) on the survival, development and swimming behaviour of embryos of the deep-sea coral Desmophyllum pertusum (syn. Lophelia pertusa). Upon spawning, fertilized embryos were collected and exposed to two pCO2 treatments corresponding to present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under scenario IPCC RCP8.5 for the end of the century (1000 ppm). We monitored survival daily and we measured swimming velocity on day 9 after spawning. Temperature and pH were measured every 24h, salinity was measured every other day, and water samples were collected during the first and last day of the experiment to determine total alkalinity (TA). This dataset includes data on the effects of ocean acidification on swimming velocity of larvae of the deep-sea coral Desmophyllum pertusum. Embryos were exposed to two acidification (pCO2) treatments: present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under RCP8.5 for the end of the century (1000 ppm). After rearing the embryos in the respective treatments for nine days, we recorded the swimming behaviour of larvae with a video camera. Videos were analyzed with manual particle tracking, and here we report the swimming velocity and total traveled distance of larvae in each experimental treatment.
    Keywords: ASSEMBLE_Plus; Association of European Marine Biological Laboratories Expanded; Climate change; cold-water coral; DATE/TIME; Deep sea; early life history; early life stages; iAtlantic; Image analysis, NIH ImageJ, MTrackJ plugin; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Larvae; larval behaviour; physiology; Remote operated vehicle; ROV; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Speed, swimming; Swim distance; Time in hours; Tisler_Sampling_Lophelia_pertusa_4; Tisler_Sampling_Lophelia_pertusa_6; Tisler Reef, Skagerrak; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 480 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Effects of ocean acidification on larval survival rates of the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-12
    Description: The objective of this study is to determine the effects of ocean acidification (OA) on the survival, development and swimming behaviour of embryos of the deep-sea coral Desmophyllum pertusum (syn. Lophelia pertusa). Upon spawning, fertilized embryos were collected and exposed to two pCO2 treatments corresponding to present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under scenario IPCC RCP8.5 for the end of the century (1000 ppm). We monitored survival daily and we measured swimming velocity on day 9 after spawning. Temperature and pH were measured every 24h, salinity was measured every other day, and water samples were collected during the first and last day of the experiment to determine total alkalinity (TA). This dataset includes data on the effects of OA on embryo and larval survival of the deep-sea coral Desmophyllum pertusum. Embryos (age: first cleavage and 2 cell stage) were exposed to two acidification (pCO2) treatments: present pCO2 conditions (400 ppm) and future pCO2 conditions predicted under RCP8.5 for the end of the century (1000 ppm) and reared for a total of nine days. We counted embryos and larvae daily to determine larval survival under the two treatments.
    Keywords: ASSEMBLE_Plus; Association of European Marine Biological Laboratories Expanded; Climate change; cold-water coral; DATE/TIME; Deep sea; early life history; early life stages; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Larvae; larval behaviour; pH; pH meter, Mettler Toledo, Seven2Go pH /Ion meter S8; physiology; Remote operated vehicle; Replicate; ROV; Salinity; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperature, water; Time in hours; Tisler_Sampling_Lophelia_pertusa_4; Tisler_Sampling_Lophelia_pertusa_6; Tisler Reef, Skagerrak; Treatment; Visual counts
    Type: Dataset
    Format: text/tab-separated-values, 1116 data points
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    DATA PANGAEA
  • 3
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    Unknown
    Combined impacts of ocean acidification and deep-sea mining on larval survival of the deep-sea coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-12
    Description: Here, we report the results of a multiple stressor experiment combining impacts of ocean acidification and Polymetallic sulfide (PMS) deposits produced by deep-sea mining on larval survival of the deep-sea coral Desmophyllum pertusum (syn. Lophelia pertusa). Adult colonies of D. pertusum were collected in December and January 2022 at Tisler reef, at depths between 100-120 m. Adults were maintained in aquaria and after spawning, embryos were collected and left to develop to 7-day larvae. On day 7, larvae were exposed to four experimental treatments and their combinations: two pCO2 treatments recreating present conditions (400 ppm), and conditions projected to the end of the century (RCP8.5, 1000 ppm), as well as two mining treatments corresponding to PMS particles (concentration 5 mg/L), and their leachates. Survival was monitored every 24h.
    Keywords: Alkalinity, total; ASSEMBLE_Plus; Association of European Marine Biological Laboratories Expanded; Climate change; DATE/TIME; Deep Atlantic; Deep sea; Deep-sea mining; early life history; early life stages; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Larvae; pH; pH meter, Mettler Toledo, Seven2Go pH /Ion meter S8; Remote operated vehicle; Replicate; ROV; Salinity; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperature, water; Tisler_Sampling_Lophelia_pertusa_4; Tisler_Sampling_Lophelia_pertusa_6; Tisler Reef, Skagerrak; Treatment; Treatment: time after; Visual counts
    Type: Dataset
    Format: text/tab-separated-values, 920 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Unknown
    Deep-sea mining impacts on larval survival of the deep-sea coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-12
    Description: In this dataset, we report the results of an aquaria experiment aiming at determining the impacts of Polymetallic sulfide (PMS) plumes of varying concentrations created by deep-sea mining on larval survival of the deep-sea coral Desmophyllum pertusum. Colonies of D. pertusum were collected in December 2022 and January 2023 at Tisler reef, at depths between 100-120 m. Adults were maintained in aquaria and after spawning, embryos were collected and left to develop to 7-day larvae. On day 7, larvae were exposed to four experimental treatments, recreating the potential effects of a PMS mining plume: two treatments contained PMS particles at concentrations of 2.5 mg/L and 5 mg/L respectively, and another two contained only the leachates of PMS particle solutions corresponding to the aforementioned PMS particle concentrations. Temperature was maintained at 8-8.5 °C and pHT at 8.01. Survival was checked by counting surviving larvae after 24h of exposure.
    Keywords: ASSEMBLE_Plus; Association of European Marine Biological Laboratories Expanded; Climate change; DATE/TIME; Deep Atlantic; Deep sea; Deep-sea mining; early life history; early life stages; Experiment duration; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Larvae; Remote operated vehicle; Replicate; ROV; Sample ID; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Treatment; Visual counts
    Type: Dataset
    Format: text/tab-separated-values, 210 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Unknown
    Effect of suspended microplastics on larval survival of the cold-water scleractinian coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: We report the results of a short-term experiment testing the effects of microplastics (MP) on the larvae of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). To simulate MP pollution, we used 6 μm yellow-green fluorescent polystyrene microbeads (catalog no: 17156, Polysciences). The experimental design consisted of three treatments: control treatment with (1) no MP addition (0 MP/mL), (2) addition of 1000 pristine MP/mL, and (3) addition of 1000 biofouled MP/mL. Larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. After a 24-hour period, the potential impact of MP on larval survival was analyzed.
    Keywords: Cnidaria; Cold water corals; Deep sea; Experiment duration; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; larvae; Lophelia pertusa; Microplastics; North Atlantic; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Survival; Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 54 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Unknown
    Effect of suspended microplastics on larval swimming speed of the cold-water scleractinian coral of Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: We report the results of a short-term experiment testing the effects of microplastics (MP) on the larvae of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). To simulate MP pollution, we used 6 μm yellow-green fluorescent polystyrene microbeads (catalog no: 17156, Polysciences). The experimental design consisted of three treatments: control treatment with (1) no MP addition (0 MP/mL), (2) addition of 1000 pristine MP/mL, and (3) addition of 1000 biofouled MP/mL. Larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. After a 24-hour period, the potential impact of MP on larval swimming speed was analyzed using image analysis software (Meijering et al. 2012).
    Keywords: Cnidaria; Cold water corals; Deep sea; Distance; Duration; Experiment duration; iAtlantic; Image analysis, NIH ImageJ, MTrackJ plugin; Individual ID; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; larvae; Lophelia pertusa; Microplastics; North Atlantic; Number of points; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Speed, swimming; Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 560 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 7
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    Unknown
    Combined effect of ocean acidification and bottom trawling on embryonic development of the scleractinian cold-water-coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: We report the results of a series of experiments investigating the combined effects of ocean acidification and suspended natural benthic sediments (NS) generated during bottom trawling on the early life stages of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). For each experiment, the larvae/embryos were exposed to four different treatments: (1) current pCO2 (control): mimicking present-day pCO2/pH condition (pCO2 400 µatm; ambient pHT: 8.01), (2) high pCO2: a scenario reflecting the IPCC RCP8.5 prediction (pCO2 1000 µatm; low pHT: 7.63), (3) current pCO2 + NS (5 mg/L), and (4) high pCO2 + NS (5 mg/L): with the introduction of natural benthic sediments (NS) at a concentration of 5 mg/mL. The NS were collected at ~130 m water depth from a regularly trawled soft bottom close to the reef site of Säcken in the Northern Koster-fjord in Sweden, and the grain sizes ≤ 63 μm were used for the experiment. Embryos and larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. In this first experiment, embryos were exposed for 48 hours to assess potential impacts on larval survival, development from the first division to the blastula stage, and developmental abnormalities. This dataset presents the percentage of embryonic abnormalities.
    Keywords: Bottom trawling; Cnidaria; Cold water corals; early life stages; Embryos; Experiment duration; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Lophelia pertusa; North Atlantic; Ocean acidification; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 112 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
    facet.materialart.
    Unknown
    Combined effect of ocean acidification and bottom trawling on embryonic survival of the scleractinian cold-water-coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: We report the results of a series of experiments investigating the combined effects of ocean acidification and suspended natural benthic sediments (NS) generated during bottom trawling on the early life stages of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). For each experiment, the larvae/embryos were exposed to four different treatments: (1) current pCO2 (control): mimicking present-day pCO2/pH condition (pCO2 400 µatm; ambient pHT: 8.01), (2) high pCO2: a scenario reflecting the IPCC RCP8.5 prediction (pCO2 1000 µatm; low pHT: 7.63), (3) current pCO2 + NS (5 mg/L), and (4) high pCO2 + NS (5 mg/L): with the introduction of natural benthic sediments (NS) at a concentration of 5 mg/mL. The NS were collected at ~130 m water depth from a regularly trawled soft bottom close to the reef site of Säcken in the Northern Koster-fjord in Sweden, and the grain sizes ≤ 63 μm were used for the experiment. Embryos and larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. In this first experiment, embryos were exposed for 48 hours to assess potential impacts on larval survival, development from the first division to the blastula stage, and developmental abnormalities. This dataset presents the results for embryonic survival.
    Keywords: Bottom trawling; Cnidaria; Cold water corals; early life stages; Experiment duration; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Lophelia pertusa; North Atlantic; Ocean acidification; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Survival; Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 96 data points
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    DATA PANGAEA
  • 9
    facet.materialart.
    Unknown
    Combined effect of ocean acidification and bottom trawling on embryo size of the scleractinian cold-water-coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: We report the results of a series of experiments investigating the combined effects of ocean acidification and suspended natural benthic sediments (NS) generated during bottom trawling on the early life stages of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). For each experiment, the larvae/embryos were exposed to four different treatments: (1) current pCO2 (control): mimicking present-day pCO2/pH condition (pCO2 400 µatm; ambient pHT: 8.01), (2) high pCO2: a scenario reflecting the IPCC RCP8.5 prediction (pCO2 1000 µatm; low pHT: 7.63), (3) current pCO2 + NS (5 mg/L), and (4) high pCO2 + NS (5 mg/L): with the introduction of natural benthic sediments (NS) at a concentration of 5 mg/mL. The NS were collected at ~130 m water depth from a regularly trawled soft bottom close to the reef site of Säcken in the Northern Koster-fjord in Sweden, and the grain sizes ≤ 63 μm were used for the experiment. Embryos and larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. In this first experiment, embryos were exposed for 48 hours to assess potential impacts on larval survival, development from the first division to the blastula stage, and developmental abnormalities. This dataset presents the results for embryo sizes.
    Keywords: Bottom trawling; Cnidaria; Cold water corals; early life stages; iAtlantic; Image analysis NIH ImageJ; Individual ID; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Length; Lophelia pertusa; North Atlantic; Ocean acidification; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment; Volume
    Type: Dataset
    Format: text/tab-separated-values, 2492 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
    facet.materialart.
    Unknown
    Combined effect of ocean acidification and bottom trawling short-term exposure on larval survival of the scleractinian cold-water-coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Description: We report the results of a series of experiments investigating the combined effects of ocean acidification and suspended natural benthic sediments (NS) generated during bottom trawling on the early life stages of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). For each experiment, the larvae/embryos were exposed to four different treatments: (1) current pCO2 (control): mimicking present-day pCO2/pH condition (pCO2 400 µatm; ambient pHT: 8.01), (2) high pCO2: a scenario reflecting the IPCC RCP8.5 prediction (pCO2 1000 µatm; low pHT: 7.63), (3) current pCO2 + NS (5 mg/L), and (4) high pCO2 + NS (5 mg/L): with the introduction of natural benthic sediments (NS) at a concentration of 5 mg/mL. The NS were collected at ~130 m water depth from a regularly trawled soft bottom close to the reef site of Säcken in the Northern Koster-fjord in Sweden, and the grain sizes ≤ 63 μm were used for the experiment. Embryos and larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. This second experiment examined the effects on larval survival and swimming speed in two sub-experiments: A) short-term exposure (48 hours) and B) long-term exposure (1 week). This dataset presents the results for larval survival under short-term exposure.
    Keywords: Bottom trawling; Cnidaria; Cold water corals; early life stages; Experiment duration; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; Lophelia pertusa; North Atlantic; Ocean acidification; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Survival; Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 72 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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