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Main Authors: Stratmann, Tanja, Simon-Lledó, Erik, van der Meer, Marcel T J, Christodoulou, Magdalini, Colaço, Ana
Format: Dataset Open Access
Language:en
Published: PANGAEA 2026
Subjects:
Area/locality; Bacteria, biomass as carbon; Carbon, organic; Carbon, total; Carbon/Nitrogen ratio; CCZ; Depth, bathymetric; Depth, bottom/max; Depth, top/min; Equatorial Pacific; Event label; Identification; JPI Oceans - Ecological Aspects of Deep-Sea Mining; JPIO-MiningImpact; LATITUDE; LONGITUDE; Median, grain size; Multicorer with television; Nitrogen, total; Nodule Monit. II; Phospholipid fatty acid; Phospholipid fatty acids; Phospholipid fatty acids, δ13C; Sample code/label; Sediment; Size fraction < 0.063 mm, mud, silt+clay; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; SO295; SO295_172-1; SO295_178-1; SO295_180-1; SO295_25-1; SO295_27-1; Sonne_2; Station label; TVMUC; δ13C, organic carbon; δ13C, total carbon; δ15N
Online Access:https://doi.org/10.1594/PANGAEA.983938
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Table of Contents:
  • Sediment samples were collected by multi corer in the eastern Clarion-Clipperton Fracture Zone in 2022. Sediment grain size of freeze-dried sediment was measured by laser diffraction in a Malvern Mastersizer 2000. Total carbon, organic carbon, total nitrogen, δ13TC, δ13org. C, and δ15N content of freeze-dried, pulverized sediment was measured with a elemental analyzer coupled to an isotope ratio mass spectrometer (EA-IRMS). Phospholipid-derived fatty acids (PLFAs) were extracted from the sediment using a Bligh and Dyer extraction. Afterwards, PLFAs were derivatized to fatty acid methyl esters (FAMEs), and their concentrations and δ13 isotopic values measured on a gas chromatograph coupled to an isotope ratio mass spectrometer (GC-IRMS).

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