meth_2.15 Sediment Grain Size Fractionation percent fines in marine seagrass sediments Marine Microbes Coastal

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AM Project ID: Legacy

  1. Wash sediment (~60 mL) of top 1 cm through sieves to collect three size fractions; gravel (collected on 2 mm mesh), sand (collected on 63 µm mesh) and fines (collected in sump).
  2. Transfer sediments into pre-weighed and labelled specimen jars. Label jars according to the scheme outlined in the spreadsheet “sample_schedule”.
  3. Leave for 24 h to allow sediments to settle and then suction off excess water.
  4. Transfer to drying oven at 60 °C for 24-48 h or until sediments are completely dry.
  5. Re-weigh jars and calculate the weight of each fraction to determine % fines in the sample.