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Schewe, Ingo (2010): Biochemical investigation of multicorer sediment profile PS74/107-2. Alfred Wegener Institute, Helmholtz Centre 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:
Jacob, Marianne; Soltwedel, Thomas; Boetius, Antje; Ramette, Alban (2013): Biogeography of Deep-Sea Benthic Bacteria at Regional Scale (LTER HAUSGARTEN, Fram Strait, Arctic). PLoS ONE, 8(9), e72779,
Klages, Michael (2010): The Expedition of the Research Vessel Polarstern to the Arctic in 2009 (ARK-XXIV/2). Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 607, 85 pp,
Sixth Framework Programme (FP6), grant/award no. 511234: Hotspot Ecosystem Research on the Margins of European Seas
Latitude: 79.108300 * Longitude: 4.599800
Date/Time Start: 2009-07-12T20:36:00 * Date/Time End: 2009-07-12T20:36:00
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 0.045 m
PS74/107-2 (HG_III) * Latitude: 79.108300 * Longitude: 4.599800 * Date/Time: 2009-07-12T20:36:00 * Elevation: -1895.0 m * Location: North Greenland Sea * Campaign: ARK-XXIV/2 (PS74) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepthmGeocode
2PorosityPoros% volSchewe, Ingo
3Chlorophyll aChl aµg/cm3Schewe, Ingo
4PhaeopigmentsPhaeµg/cm3Schewe, Ingo
5Esterase activity per sediment volumeFDAnmol/ml/hSchewe, Ingo
6PhospholipidsPLnmol/mlSchewe, Ingo
7Protein, readily soluble per sediment volumeProtein re solmg/cm3Schewe, Ingo
30 data points

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