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  • 2020-2024  (19)
  • 2000-2004  (19)
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Year
  • 1
    Book
    Book
    Cold-water corals : the biology and geology of deep-sea coral habitats (2022)
    Cambridge : Cambridge University Press
    Details Availability
    Keywords: Deep sea corals ; Coral reefs and islands
    Type of Medium: Book
    Pages: xvi, 334, 16 ungezählte Seiten , Illustrationen
    ISBN: 9781009263931 , 9780521884853
    DDC: 593.617789
    RVK:
    WI 4550
    Language: English
    Note: Originally published: 2009 , Includes bibliographical references and index
    Location Call Number Limitation Availability
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    GEOMAR CATALOGUE
    Link to Library Catalog
    get availability status
  • 2
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    Conductivity, temperature, and depth measurements at the RMS Titanic wreck and Nargeolet-Fanning Ridge, Northwest Atlantic, in summer 2022 (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-11
    Description: To gain information on the physical parameters of deep water in the Northwest Atlantic, CTD measurements were taken during seven dives to the RMS Titanic wreck (front of bow approx. 41.7330181, -49.9460561; 3816 m water depth) and one dive to the Nargeolet-Fanning Ridge (approx. 41.5980514, -49.4386889; 2896 m water depth) during the OceanGate expedition aboard the AHTS Horizon Arctic, 15 June - 25 July 2022. The CTD measurements of the water column down to a maximum water depth of 3853 m were conducted using a Valeport MIDAS SVX2 6000 unit attached to the submersible Titan for the duration of each dive and provided standard data for conductivity, temperature, and pressure. Conductivity and temperature data were used to compute salinity.
    Keywords: Conductivity; CTD; CTD, Valeport, MIDAS SVX2 6000, mounted on submersible; CTD-MIDAS_SVX2-SUB; CTD profile; DATE/TIME; Deep sea; Density, sigma-theta (0); Depth; DEPTH, water; Doppler velocity log (DVL), Sonardyne, mounted on submersible; DVL_Sonardyne_SUB; Event label; Horizon Arctic (AHTS); iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; LATITUDE; LONGITUDE; Newfoundland; Northwest Atlantic; Number of observations; NW Atlantic; OceanGate; Pressure, water; Salinity; Sigma theta (calculated, using CTD salinity); Temperature; Temperature, water; Titan-2022-C2_0073; Titan-2022-C2_0075; Titan-2022-C2_0076; Titan-2022-C2_0079; Titan-2022-C2_0080; Titan-2022-C2_0081; Titan-2022-C2_0082; Titan-2022-C2_0083
    Type: Dataset
    Format: text/tab-separated-values, 1242327 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Total alkalinity and dissolved inorganic carbon measurements at the RMS Titanic wreck and Nargeolet-Fanning Ridge, Northwest Atlantic, in summer 2022 (2023)
    PANGAEA
    Details
    Publication Date: 2024-03-11
    Description: To gain information on the chemical parameters of deep water in the Northwest Atlantic, water samples were taken using a Niskin bottle deployed at five stations at the RMS Titanic wreck site (stations: 0075, 0079, 0080, 0081, 0082 - deepest samples at station 0081: 41.7335576, -49.9467401, 3831 m water depth) and at one station at the Nargeolet-Fanning Ridge (station 0083: 41.5975604, -49.439188, 2870 m water depth) during the OceanGate expedition aboard AHTS Horizon Arctic, 15 June - 25 July 2022. A total of 20 water subsamples were collected and analysed for total alkalinity (TA) and dissolved inorganic carbon (DIC). TA was analysed using an Apollo SciTech AS-ALK2 alkalinity titrator and DIC was analysed using an Apollo SciTech AS-C3 inorganic carbon analyser. The aragonite saturation state was calculated using the CO2SYS system (Lewis and Wallace, 1998).
    Keywords: Alkalinity, total; Alkalinity titrator, Apollo SciTech, AS-ALK2; aragonite saturation state; Aragonite saturation state; Calculated using CO2SYS software (Lewis and Wallace 1998); Canada; Carbon, inorganic, dissolved; CO2SYS; CTD, Valeport, MIDAS SVX2 6000, mounted on submersible; CTD-MIDAS_SVX2-SUB; DATE/TIME; Deep sea; DEPTH, water; DIC_Analyser_AS-C3; dissolved inorganic carbon (DIC); Dissolved inorganic carbon analyser, Apollo SciTech, AS-C3; Doppler velocity log (DVL), Sonardyne, mounted on submersible; DVL_Sonardyne_SUB; Event label; Horizon Arctic (AHTS); iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; LATITUDE; LONGITUDE; Newfoundland; Northwest Atlantic; NW Atlantic; OceanGate; pH; Pressure, water; Salinity; Sample ID; TA_TITR_AS-ALK2; Temperature, water; Titan-2022-C2_0075; Titan-2022-C2_0079; Titan-2022-C2_0080; Titan-2022-C2_0081; Titan-2022-C2_0082; Titan-2022-C2_0083; total alkalinity (TA); Water samples
    Type: Dataset
    Format: text/tab-separated-values, 180 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Water parameters from a long-term multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-09
    Description: We conducted a long-term (6 months) multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa) under future environmental conditions. The experiment with live corals consisted of four different treatments to investigate the combined effect of ocean acidification, warming, deoxygenation and food limitation on their physiology: 1) control (9 °C, pH 8.1, 100 % oxygen, 100 % food availability), 2) multiple stressor with high feeding (12 °C, pH 7.7, 90 % oxygen, 100 % food availability), 3) multiple stressor with low feeding (12 °C, pH 7.7, 90 % oxygen, 50 % food availability) and 4) reduced oxygen (9 °C, pH 8.1, 90 % oxygen, 100 % food availability). Every treatment consisted of three replicate tanks with four live corals (treatments 1-4). In a parallel experiment, we also examined the dissolution rates of dead coral skeletons at three different pCO2 levels (treatment 5: 750, treatment 6: 1000 and treatment 7: 1250 ppm) after 1.5, 3, 4.5 and 6 months. Every treatment consisted of three replicate tanks with two dead coral skeletons (treatments 1, 2 and 5-7). Water parameters (temperature, salinity, pH and oxygen concentration) were measured five times per week in every coral tank.
    Keywords: Calculated; Climate change; cold-water coral; DATE/TIME; Desmophyllum_pertusum_Sampling_Area_and_Period; experiment; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Multiparameter probe, YSI ProDIGITAL, Xylem; Multiple stressors; Oxygen, dissolved; Oxygen saturation; pH; pH meter (Orion Versa Star Pro, Thermo Fisher Scientific); Remote operated vehicle; ROV; Salinity; Tank number; Temperature, water; Tisler Reef, Skagerrak; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 19211 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Physiological parameters from a long-term multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-09
    Description: We conducted a long-term (6 months) multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa) under future environmental conditions. The experiment with live corals consisted of four different treatments to investigate the combined effect of ocean acidification, warming, deoxygenation and food limitation on their physiology: 1) control (9 °C, pH 8.1, 100 % oxygen, 100 % food availability), 2) multiple stressor with high feeding (12 °C, pH 7.7, 90 % oxygen, 100 % food availability), 3) multiple stressor with low feeding (12 °C, pH 7.7, 90 % oxygen, 50 % food availability) and 4) reduced oxygen (9 °C, pH 8.1, 90 % oxygen, 100 % food availability). Every treatment consisted of three replicate tanks with four live corals (treatments 1-4). The physiological parameters were determined after 1.5, 3, 4.5 and 6 months of the experiment. Growth rates were measured using the buoyant weighing technique (Jokiel et al. 1978) and respiration rates were conducted using closed-cell incubations.
    Keywords: Buoyant weighing technique according to Jokiel et al. (1978); Calculated; cold-water coral; Desmophyllum_pertusum_Sampling_Area_and_Period; Desmophyllum pertusum, dry mass; Desmophyllum pertusum, growth rate; Desmophyllum pertusum, respiration rate, oxygen, per polyp; Duration; experiment; Fibre optic oxygen and temperature probes (OXY-4 SMA, POF, PSt3, Pt100, PreSens); growth rates; Health status; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Multiple-stressor; Remote operated vehicle; Respiration; ROV; Specimen identification; Tank number; Tisler Reef, Skagerrak; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 2051 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Dissolution rates from a long-term multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-09
    Description: We conducted a long-term (6 months) multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa) under future environmental conditions. The experiment with dead coral skeletons consisted of five different treatments to investigate the combined effect of ocean acidification, warming and deoxygenation on their skeletal dissolution: control (9 °C, pH 8.1, 100 % oxygen), multiple stressor (12 °C, pH 7.7, 90 % oxygen) and three different pCO2 levels (750, 1000 and 1250 ppm). The coral skeletons were weighed after 1.5, 3, 4.5 and 6 months using the buoyant weighing technique. Every treatment consisted of three replicate tanks with two dead coral skeletons.
    Keywords: Aragonite saturation; Buoyant weighing technique according to Jokiel et al. (1978); Calculated; Climate change; cold-water coral; Desmophyllum_pertusum_Sampling_Area_and_Period; Desmophyllum pertusum, dry mass; Desmophyllum pertusum, skeletal dissolution rate; Duration; experiment; Health status; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; pH; Remote operated vehicle; ROV; skeletal dissolution; Specimen identification; Tank number; Tisler Reef, Skagerrak; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 838 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Mortality rates from a long-term multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-04-09
    Description: We conducted a long-term (6 months) multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa) under future environmental conditions. The experiment with live corals consisted of four different treatments to investigate the combined effect of ocean acidification, warming, deoxygenation and food limitation on their physiology: 1) control (9 °C, pH 8.1, 100 % oxygen, 100 % food availability), 2) multiple stressor with high feeding (12 °C, pH 7.7, 90 % oxygen, 100 % food availability), 3) multiple stressor with low feeding (12 °C, pH 7.7, 90 % oxygen, 50 % food availability) and 4) reduced oxygen (9 °C, pH 8.1, 90 % oxygen, 100 % food availability). Every treatment consisted of three replicate tanks with four live corals (treatments 1-4). Mortality rates and numbers of dead vs. live coral polyps were assessed over the full course of the experiment.
    Keywords: Climate change; cold-water coral; Desmophyllum_pertusum_Sampling_Area_and_Period; Desmophyllum pertusum, dead polyps; Desmophyllum pertusum, live polyps; Desmophyllum pertusum, mortality; Duration; experiment; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; mortality; Multiple stressors; Remote operated vehicle; ROV; Specimen identification; Tank number; Tisler Reef, Skagerrak; Treatment; Visual observation
    Type: Dataset
    Format: text/tab-separated-values, 1872 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    ATLAS work on Good Environmental Status across 9 study areas in the northeast Atlantic (2020)
    PANGAEA
    Details
    Publication Date: 2024-03-11
    Description: This data is showing the outcomes of the analysis done by ATLAS researchers on the environmental status of nine deep-sea areas in the northeast Atlantic. These results are part of the ATLAS work facilitating the implementation of the European Commission's Marine Strategy Framework Directive in the deep waters of the North Atlantic. The nine study areas that were examined are: 1) LoVe Ocean Observatory, 2) Faroe-Shetland Channel, 3) Reykjanes Ridge, 4) Rockall Bank, 5) Mingulay Reef Complex, 6) Porcupine Seabight, 7) Bay of Biscay, 8) Azores, 9) Gulf of Cádiz. The analyses were carried out using the Nested Environmental status Assessment Tool (NEAT). The environmental status outcomes are shown for the total study area, the designated spatial assessment units (SAUs), the ecosystem components ("Benthic invertebrates", "Fish", "Benthos") and the habitats ("Aggregations of L. pertusa & M. oculata on soft sediments", "Aggregations of sea pens & alcyonaceans on soft sediments", "Aggregations of L. pertusa & M. oculata on hard substrates", "Aggregations of Antipatharians and alcyonaceans on hard substrates", "Benthic", "Rocky", "Sedimentary").
    Keywords: ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Deep sea; Good Environmental Status; Marine Strategy Framework Directive; Nested Environmental status Assessment Tool
    Type: Dataset
    Format: application/zip, 13.9 kBytes
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    DATA PANGAEA
  • 9
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    Tourist Preferences for Seamount Conservation in the Galapagos Marine Reserve, social-science survey June 2017 (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: To better understand tourist's perceptions and attitudes toward conservation of seamounts and their associated biodiversity a contingent valuation survey was designed and implemented to respondents in the Galapagos Archipelago. The survey aimed to understand initial willingness to pay values which would guide further research at the Galapagos National Park regarding the tourist's management preferences. Contingent valuation is a stated preference technique, which uses questionnaires to create a realistic, but hypothetical market, for respondents to indicate their willingness to pay for a change in an environmental good (Mitchell and Carson, 1989). Scenarios are constructed which offer different policy alternatives to the current status quo. The respondent is asked to state whether they would support an alternative policy option depending on what the new policy will provide, how this will be delivered and how much it will cost (Carson, 2000). If the study is well designed and carefully tested in advance the answers to the survey should reveal the respondent's true willingness to pay for a given change. Our respondents are asked whether they would support an increase in the entrance fee to the GMR with the additional revenues used to fund research programs into seamount conservation and diversity.
    Keywords: Galapagos_Social-science_survey_June_2017; Galápagos Islands; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Social-science; SUR; Survey; Survey data; Willingness-to-pay
    Type: Dataset
    Format: application/zip, 879 kBytes
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  • 10
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    Environmental data and image area measurements of different substrate types extracted from video transects recorded in the Logachev cold-water coral mound province (2023)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: This dataset contains the percentage coverage of different substrate types (live scleractinian corals, dead scleractinian framework, rubble, hard substrates and fine sediments) found at the Logachev cold-water coral carbonate mounds. Video transect data were collected using the remotely operated vehicle (ROV) Holland-1 during the Changing Oceans Expedition 2012 on RRS James Cook (Cruise JC073) from 2012-05-27 to 2012-06-06. Image frames were extracted from the ROV videos and the percentage coverage was measured in Adobe Photoshop software (van der Kaaden and De Clippele, 2021). Terrain variables (i.e. Depth, Slope, Rugosity, Bathymetric Positioning Index) and Particulate organic matter (POM) per image file were extracted using the ESRI ArcMap v10.1 software. This data was used by De Clippele et al. (2021) to calculate biomass and to estimate the carbon and nitrogen turnover capacity of the study area.
    Keywords: ArcGIS software; ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; Bathymetric positioning index; Binary Object; Binary Object (File Size); Binary Object (Media Type); Carbon, organic, particulate, suspended; cold-water coral habitat; Coral cover, dead corals; Coral cover, live corals; Coral cover, rubble; DATE/TIME; Dive number; File name; iAtlantic; Image analysis; image annotation; Image area; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; James Cook; JC073; JC073_060_ROV12; JC073_075_ROV16; JC073_095_ROV19; JC073_096_ROV20; JC073_102_ROV23; JC073_125_ROV24; JC073_126_ROV25; JC073_127_ROV26; JC073_141_ROV28; LATITUDE; Logachev1; Logachev2; Logachev3; Logachev Mounds; LONGITUDE; machine learning; Orientation; Remotely operated vehicle (ROV); Remote operated vehicle; Rock, cover; ROV; Rugosity; Sample elevation; Sediment cover; Slope; substrate; Video identification
    Type: Dataset
    Format: text/tab-separated-values, 21474 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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