Downward fecal pellet flux measured from short-term sediment traps during December in the northern Barents Sea as part of the Nansen Legacy project, cruise 2019711 Q4 ...

• Main Authors: Bodur, Yasemin V., Amargant-Arumí, Martí, Reigstad, Marit
• Format: Dataset
• Language: unknown
• Published: Archive2014 2023
• Subjects: Natural sciences; FOS Natural sciences; Biology; Marine Biology; Barents Sea
• Online Access: https://dx.doi.org/10.11582/2023.00106; https://archive.sigma2.no/pages/public/datasetDetail.jsf?id=10.11582/2023.00106

Samples for fecal pellet flux were collected with short-term drifting sediment traps between 75° and 85°N in the northern Barents Sea with R/V Kronprins Haakon in December 2019 as part of the Nansen Legacy project (cruise 2019711, Q4). High-density bottom water was collected at the station and filtered (Whatman GF/F 0.7µm), and then filled into the trap cylinders (KC Denmark, aspect ratio >6) prior to their deployment. Afterwards, the sediment. Upon retrieval, the content of the cylinders from each depth was pooled and stored at 4°C in dark until further analyses. For the microscopic examination of fecal pellets, a subsample of 250ml was transferred to a plastic bottle and fixed with hexamine-buffered 37% formaldehyde (final pH = 7) to a final concentration of 4%. A subsample of 25-100ml was settled in Utermoehl sedimentation chambers for a duration of 24h. Subsequently, the fecal pellets were enumerated, with measurements taken for the length and width of each individual pellet using a Leica inverted ... : 1 data, totaling ...... 11.15 KB ...