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Monosaccharides quantified in sediment cores from coastal vegetated ecosystems

Description: 50-cm deep sediment cores were taken in saltmarsh, seagrass, mangroves and unvegetated areas around the German Bight, Malaysia and Columbia in 2022 and 2023. Up to 3 points per ecosystem were sampled along a transect, in total 93 cores were analysed. Carbohydrates were sequentially extracted using MilliQ-water and 0.3 M EDTA for later analyses. Extracts were acid hydrolysed (1 M HCl, 24 h, 100°C) and monosaccharides were analysed using anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD), according to Engel et al., 2011. Briefly, sample analysis was performed using a Dionex ICS-5000+ system with a CarboPac PA10 analytical column (2 × 250 mm) and a CarboPac PA10 guard column (2 × 50 mm). Neutral and amino sugars were separated under isocratic conditions with 18 mM NaOH, while acidic monosaccharides were separated using a gradient up to 200 mM NaCH₃COO.

Global identifier: 

Doi(
    "10.1594/PANGAEA.979909",
)

Types: 
DataMeasurements(
    DataMeasurements {
        domain: Unspecified,
        station: None,
        measured_variables: [
            "Arabinose, per unit sediment dry mass",
            "Comment",
            "Country",
            "DATE/TIME",
            "DEPTH, sediment/rock",
            "Depth comment",
            "Depth, sediment/rock, bottom/maximum",
            "Depth, sediment/rock, top/minimum",
            "Ecosystem",
            "Event label",
            "Fucose, per unit sediment dry mass",
            "Galactosamine, per unit sediment dry mass",
            "Galactose, per unit sediment dry mass",
            "Galacturonic acid, per unit sediment dry mass",
            "Gluconic acid, per unit sediment dry mass",
            "Glucosamine, per unit sediment dry mass",
            "Glucose, per unit sediment dry mass",
            "Glucuronic acid, per unit sediment dry mass",
            "Identification",
            "Iduronic acid, per unit sediment dry mass",
            "LATITUDE",
            "LONGITUDE",
            "Layer description",
            "Layer number",
            "Location",
            "Mannose, per unit sediment dry mass",
            "Mannuronic acid, per unit sediment dry mass",
            "Muramic acid, per unit sediment dry mass",
            "Ocean and sea region",
            "Rhamnose, per unit sediment dry mass",
            "Sample code/label",
            "Sediment, dry mass",
            "Xylose, per unit sediment dry mass",
        ],
        methods: [
            "Ion chromatograph, Thermo Scientific, Dionex ICS-5000+",
            "Scale",
        ],
    },
)

Tags: Kohlenhydrat ? Geografische Koordinaten ? Chromatografie ? Sediment ? Meeresgewässer ? Deutsche Bucht ? Carbon Dioxide Removal ? Ökosystem ? Glycans ? coastal vegetated ecosystems ? marine carbon sequestration ?

Region: Colombia

Bounding boxes: -75.682996° .. 103.439555° x 4.660548° .. 54.692271°

License: cc-by/4.0

Language: Englisch/English

Organisations

Persons

Issued: 2025-04-28

Modified: 2026-01-14

Time ranges: 2021-11-08 - 2022-10-11

Resources

Status

Quality score

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