Schewe, Ingo (2010): Biochemical investigation of multicorer sediment profile PS74/106-3 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.744673
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Abstract:
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, https://doi.org/10.1371/journal.pone.0072779
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, https://doi.org/10.2312/BzPM_0607_2010
Project(s):
Funding:
Sixth Framework Programme (FP6), grant/award no. 511234: Hotspot Ecosystem Research on the Margins of European Seas
Coverage:
Latitude: 79.057000 * Longitude: 3.571200
Date/Time Start: 2009-07-12T15:23:00 * Date/Time End: 2009-07-12T15:23:00
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 0.045 m
Event(s):
PS74/106-3 (HG_VI) * Latitude: 79.057000 * Longitude: 3.571200 * Date/Time: 2009-07-12T15:23:00 * Elevation: -3535.3 m * Location: North Greenland Sea * Campaign: ARK-XXIV/2 (PS74) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Porosity | Poros | % vol | Schewe, Ingo | ||
| 3 | Chlorophyll a | Chl a | µg/cm3 | Schewe, Ingo | ||
| 4 | Phaeopigments | Phae | µg/cm3 | Schewe, Ingo | ||
| 5 | Esterase activity per sediment volume | FDA | nmol/ml/h | Schewe, Ingo | ||
| 6 | Phospholipids | PL | nmol/ml | Schewe, Ingo | ||
| 7 | Proteins, readily soluble per sediment volume | Protein re sol | mg/cm3 | Schewe, Ingo |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
30 data points