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Schewe, Ingo (2018): Biochemical investigation of multicorer sediment profile PS80/186-3. Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, PANGAEA,

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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).
Related to:
Soltwedel, Thomas; Bauerfeind, Eduard; Bergmann, Melanie; Bracher, Astrid; Budaeva, Nataliya E; Busch, Kathrin; Cherkasheva, Alexandra; Grzelak, Katarzyna; Hasemann, Christiane; Jacob, Marianne; Kraft, Angelina; Lalande, Catherine; Metfies, Katja; Nöthig, Eva-Maria; Meyer, Kristin; Quéric, Nadia-Valérie; Schewe, Ingo; Wlodarska-Kowalczuk, Maria; Klages, Michael (2016): Natural variability or anthropogenically-induced variation? Insights from 15 years of multidisciplinary observations at the arctic marine LTER site HAUSGARTEN. Ecological Indicators, 65, 89-102,
Latitude: 79.940330 * Longitude: 3.179830
Date/Time Start: 2012-07-24T04:25:00 * Date/Time End: 2012-07-24T04:25:00
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 0.045 m
PS80/186-3 (N5) * Latitude: 79.940330 * Longitude: 3.179830 * Date/Time: 2012-07-24T04:25:00 * Elevation: -2510.6 m * Location: North Greenland Sea * Campaign: ARK-XXVII/2 (PS80) * Basis: Polarstern * Device: MultiCorer (MUC)
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, sediment/rockDepthmSchewe, IngoGeocode – habitat depth
2PorosityPoros% volSchewe, Ingo
3Chlorophyll aChl aµg/cm3Schewe, Ingo
4PhaeopigmentsPheopµg/cm3Schewe, Ingo
5Esterase activity per sediment volumeFDAnmol/ml/hSchewe, Ingo
6PhospholipidsPhoslipnmol/mlSchewe, Ingo
7Protein, readily soluble per sediment volumeProtein re solmg/cm3Schewe, Ingo
30 data points

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