Unknown
PANGAEA
In:
Supplement to: Kröncke, Ingrid; Tan, Tjhing Lok; Stein, Ruediger (1994): High benthic bacteria standing stock in deep Arctic basins. Polar Biology, 14(6), 423-428, https://doi.org/10.1007/BF00240263
Publication Date:
2024-07-01
Description:
During the Arctic Expedition ARK 8/3 (August to October 1991) with RV Polarstern sediment samples from 13 staions with water depths of between 258 and 4,427 m were taken along a transect from the Barents Sea slope across the deep Arctic Eurasian Basins and the Gakkel Ridge to the Lomonosov Ridge to determine bacterial biomasses and organic carbon contents. Bacterial abundance dropped along the transect from 3.03 to 0.63*10**8 cells/cm**3, and correspondingly bacterial biomass decreased from 17.35 to 3.43 µg C/cm**3 sediment. Positve correlations were only found between total organic carbon concentrations of surface sediment layers and biomasses of small coccoid cells and small rods. The ridges and slopes seem to be sedimentation areas for the larger coccoid cells, presumably cyanobacteria.
Keywords:
Amundsen Basin; ARK-VIII/3; AWI_Paleo; Gakkel Ridge, Arctic Ocean; Giant box corer; GKG; Lomonosov Ridge, Arctic Ocean; Nansen Basin; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/148; PS19/150; PS19/151; PS19/155; PS19/166; PS19 ARCTIC91; PS2156-1; PS2157-7; PS2158-1; PS2159-7; PS2162-1; PS2163-5; PS2164-7; PS2167-4; PS2168-4; PS2171-1; PS2174-7; PS2177-7; PS2184-4; Quaternary Environment of the Eurasian North; QUEEN; Svalbard
Type:
Dataset
Format:
application/zip, 14 datasets
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