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  • 1
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    (Fig. 6a) Oxygen profiles from in situ measurements below the carcasses and in control sediments at station ATL05/06-2 at 2500 m water depth (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: ATL05; ATL05/06-2; DEPTH, sediment/rock; FRAM; FRontiers in Arctic marine Monitoring; Hausgarten; L Atalante; Long-term Investigation at AWI-Hausgarten off Svalbard; Oxygen; VICTOR; Victor/D3; Victor6000 ROV
    Type: Dataset
    Format: text/tab-separated-values, 965 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    (Fig. 6b) Oxygen profiles from in situ measurements below the carcasses and in control sediments at station ATL05/03-2 at 5000 m water depth (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: ATL05; ATL05/03-2; DEPTH, sediment/rock; FRAM; FRontiers in Arctic marine Monitoring; Hausgarten; L Atalante; Long-term Investigation at AWI-Hausgarten off Svalbard; Molloy Deep; Oxygen; VICTOR; Victor/D2; Victor6000 ROV
    Type: Dataset
    Format: text/tab-separated-values, 1399 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    (Table 1) Environmental, bacterial, and meiofaunal data in surface sediments at various positions around the carcasses and adjacent control sediments (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: ATL05; ATL05/03-2_PUC-1; ATL05/03-2_PUC-11; ATL05/03-2_PUC-19-1; ATL05/03-2_PUC-24; ATL05/03-2_PUC-3; ATL05/03-2_PUC-6; ATL05/03-2_PUC-7; ATL05/03-2_PUC-8; ATL05/03-2_PUC-9; ATL05/03-2_PUC-9-1; ATL05/06-2_PUC-1; ATL05/06-2_PUC-10; ATL05/06-2_PUC-11; ATL05/06-2_PUC-2; ATL05/06-2_PUC-3; ATL05/06-2_PUC-4; ATL05/06-2_PUC-6; ATL05/06-2_PUC-7; ATL05/06-2_PUC-8; ATL05/06-2_PUC-9; ATL05/D2/1; ATL05/D3/1; Bacteria, abundance; Bacteria, biomass as carbon; Biomass per bacterial cell; Chlorophyll a; Chloroplastic pigment equivalents per volume; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Esterase activity per sediment volume; Event label; FRAM; FRontiers in Arctic marine Monitoring; Hausgarten; L Atalante; Latitude of event; Longitude of event; Long-term Investigation at AWI-Hausgarten off Svalbard; Meiofauna, other; Metazoa; Molloy Deep; Nematoda; Phaeopigments; Phospholipids; PUC; Push corer; Sample position
    Type: Dataset
    Format: text/tab-separated-values, 280 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Results from an in situ experiment at the deep-sea observatory HAUSGARTEN (2017)
    PANGAEA
    In:  Supplement to: Soltwedel, Thomas; Guilini, Katja; Sauter, Eberhard-Jürgen; Schewe, Ingo; Hasemann, Christiane (2017): Local effects of large food-falls on nematode diversity at an arctic deep-sea site:Results from an in situ experiment at the deep-sea observatory HAUSGARTEN. Journal of Experimental Marine Biology and Ecology, https://doi.org/10.1016/j.jembe.2017.03.002
    Details
    Publication Date: 2023-05-12
    Description: To study the response of the smaller benthic biota to larger food-falls and their possible effects on the biodiversity at the deep seafloor, we deployed the halves of a sagittally bisected porpoise (1.3 m in length; each half approximately 18 kg) at 2500 m and 5400 m water depth at the LTER (Long-Term Ecological Research) observatory HAUSGARTEN in the eastern Fram Strait. The sampling of sediments beneath the carcass halves and at different distances (0, 20, 40 cm) from these artificial food-falls was carried out by means of push-corers handled by a Remotely Operated Vehicle five weeks after the food deployment. The samples provided empirical evidence for a quick response by sediment-inhabiting bacteria and metazoan meiofauna to the carcasses at both water depths. Compared to control sediments, the substantial pulse of organic matter also led to generally increased meiofauna/nematode densities around the artificial food-falls. The comparison of nematode communities in sediments affected by the carcasses with those in background control sediments exhibited shifts in the structural composition and the associated trophic and functional diversity of the nematode fauna. Our results confirmed that the impact of large food-falls on the deep benthic community largely depends on environmental factors (water depth, alternative food sources) as well as the background species composition, i.e., the structure of the prevailing meiofauna/nematode assemblages and the composition of the necrophagous community present in the wider area.
    Keywords: FRAM; FRontiers in Arctic marine Monitoring; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard
    Type: Dataset
    Format: application/zip, 7 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Pigments in surface sediments at HAUSGARTEN station N3 (2017)
    PANGAEA
    Details
    Publication Date: 2023-07-15
    Keywords: Carbon, organic, particulate; Carbon, organic, particulate, standard deviation; Chlorophyll a; Chlorophyll a, standard deviation; Chlorophyll pigment equivalents; Chlorophyll pigment equivalents, standard deviation; DATE/TIME; DEPTH, sediment/rock; FRAM; FRontiers in Arctic marine Monitoring; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; MULT; Multiple investigations; N3; Phaeopigments; Phaeopigments, standard deviation; Phospholipids; Phospholipids, standard deviation; Proteins, readily soluble per sediment volume; Proteins, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 156 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Pigments in surface sediments at HAUSGARTEN station S3 (2017)
    PANGAEA
    Details
    Publication Date: 2023-07-15
    Keywords: Carbon, organic, particulate; Carbon, organic, particulate, standard deviation; Chlorophyll a; Chlorophyll a, standard deviation; Chlorophyll pigment equivalents; Chlorophyll pigment equivalents, standard deviation; DATE/TIME; DEPTH, sediment/rock; FRAM; FRontiers in Arctic marine Monitoring; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; MULT; Multiple investigations; Phaeopigments; Phaeopigments, standard deviation; Phospholipids; Phospholipids, standard deviation; Proteins, readily soluble per sediment volume; Proteins, standard deviation; S3
    Type: Dataset
    Format: text/tab-separated-values, 156 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Biochemical investigation of multicorer sediment profile MSM29_424-3 (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-02-02
    Description: To detect and track the impact of large-scale environmental changes in a the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine experimentally the factors controlling deep-sea biodiversity, the Alfred- Wegener-Institute for Polar and Marine Research (AWI) established the deep-sea long-term observatory HAUSGARTEN, which constitutes the first, and until now only open-ocean long-term station in a polar region. Virtually undisturbed sediment samples have been taken using a video-guided multiple corer (MUC) at 13 HAUSGARTEN stations along a bathymetric (1,000 - 4,000 m water depth) and a latitudinal transect in 2,500 m water depth as well as two stations at 230 and 1,200 m water depth within the framework of the KONGHAU project. Various biogenic sediment compounds were analyzed to estimate the input of organic matter from phytodetritus sedimentation, benthic activities (e.g. bacterial exoenzymatic activity), and the total biomass of the smallest sediment-inhabiting organisms (size range: bacteria to meiofauna).
    Keywords: Chlorophyll a; DEPTH, sediment/rock; Esterase activity per sediment volume; Hausgarten; HAUSGARTEN 2013; HERMES; HG_II; Hotspot Ecosystem Research on the Margins of European Seas; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MSM29; MSM29_424-3; Multicorer with television; North Greenland Sea; Phaeopigments; Phospholipids; Porosity; Proteins, readily soluble per sediment volume; TVMUC
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Biochemical investigation of multicorer sediment profile MSM29_425-3 (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-02-02
    Description: To detect and track the impact of large-scale environmental changes in a the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine experimentally the factors controlling deep-sea biodiversity, the Alfred- Wegener-Institute for Polar and Marine Research (AWI) established the deep-sea long-term observatory HAUSGARTEN, which constitutes the first, and until now only open-ocean long-term station in a polar region. Virtually undisturbed sediment samples have been taken using a video-guided multiple corer (MUC) at 13 HAUSGARTEN stations along a bathymetric (1,000 - 4,000 m water depth) and a latitudinal transect in 2,500 m water depth as well as two stations at 230 and 1,200 m water depth within the framework of the KONGHAU project. Various biogenic sediment compounds were analyzed to estimate the input of organic matter from phytodetritus sedimentation, benthic activities (e.g. bacterial exoenzymatic activity), and the total biomass of the smallest sediment-inhabiting organisms (size range: bacteria to meiofauna).
    Keywords: Chlorophyll a; DEPTH, sediment/rock; Esterase activity per sediment volume; Hausgarten; HAUSGARTEN 2013; HERMES; HG_I; Hotspot Ecosystem Research on the Margins of European Seas; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MSM29; MSM29_425-3; MUC; MultiCorer; North Greenland Sea; Phaeopigments; Phospholipids; Porosity; Proteins, readily soluble per sediment volume
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Biochemical investigation of multicorer sediment profile MSM29_427-2 (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-02-02
    Description: To detect and track the impact of large-scale environmental changes in a the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine experimentally the factors controlling deep-sea biodiversity, the Alfred- Wegener-Institute for Polar and Marine Research (AWI) established the deep-sea long-term observatory HAUSGARTEN, which constitutes the first, and until now only open-ocean long-term station in a polar region. Virtually undisturbed sediment samples have been taken using a video-guided multiple corer (MUC) at 13 HAUSGARTEN stations along a bathymetric (1,000 - 4,000 m water depth) and a latitudinal transect in 2,500 m water depth as well as two stations at 230 and 1,200 m water depth within the framework of the KONGHAU project. Various biogenic sediment compounds were analyzed to estimate the input of organic matter from phytodetritus sedimentation, benthic activities (e.g. bacterial exoenzymatic activity), and the total biomass of the smallest sediment-inhabiting organisms (size range: bacteria to meiofauna).
    Keywords: Chlorophyll a; DEPTH, sediment/rock; Esterase activity per sediment volume; Hausgarten; HAUSGARTEN 2013; HERMES; Hotspot Ecosystem Research on the Margins of European Seas; KH; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MSM29; MSM29_427-2; Multicorer with television; North Greenland Sea; Phaeopigments; Phospholipids; Porosity; Proteins, readily soluble per sediment volume; TVMUC
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Biochemical investigation of multicorer sediment profile MSM29_428-3 (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-02-02
    Description: To detect and track the impact of large-scale environmental changes in a the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine experimentally the factors controlling deep-sea biodiversity, the Alfred- Wegener-Institute for Polar and Marine Research (AWI) established the deep-sea long-term observatory HAUSGARTEN, which constitutes the first, and until now only open-ocean long-term station in a polar region. Virtually undisturbed sediment samples have been taken using a video-guided multiple corer (MUC) at 13 HAUSGARTEN stations along a bathymetric (1,000 - 4,000 m water depth) and a latitudinal transect in 2,500 m water depth as well as two stations at 230 and 1,200 m water depth within the framework of the KONGHAU project. Various biogenic sediment compounds were analyzed to estimate the input of organic matter from phytodetritus sedimentation, benthic activities (e.g. bacterial exoenzymatic activity), and the total biomass of the smallest sediment-inhabiting organisms (size range: bacteria to meiofauna).
    Keywords: Chlorophyll a; DEPTH, sediment/rock; Esterase activity per sediment volume; Hausgarten; HAUSGARTEN 2013; HERMES; Hotspot Ecosystem Research on the Margins of European Seas; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MSM29; MSM29_428-3; Multicorer with television; North Greenland Sea; Phaeopigments; Phospholipids; Porosity; Proteins, readily soluble per sediment volume; TVMUC; V12
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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