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Da Costa Monteiro, Luana; Lins, Lidia; Braeckman, Ulrike (2024): Benthic meiofauna diversity and nematoda functional feeding groups on the Northeast Greenland (NEG) shelf during POLARSTERN cruise PS109 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.959825

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Abstract:
Between September and October 2017, MUC cores were deployed at various locations across the Northeast Greenland (NEG) shelf with R/V Polarstern during PS109. Samples for meiofauna were collected with a cut-off 10 ml syringe (area 1.89 m²) that was inserted to 5 cm depth sediment depth in the MUC core, and subsequently sliced in 5 horizons of 1 cm. Afterwards, meiofauna were extracted from the samples by triple density centrifugation with the colloidal silica polymer LUDOX TM 40 (Heip et al., 1985) and rinsed with freshwater on stacked 1 mm and 32 µm mesh sieves. The fraction retained on the 32 µm mesh sieve was preserved in 4 % Li2CO3-buffered formalin and stained with Rose Bengal. All metazoan meiobenthic organisms were classified at higher taxonomic levels and counted under a stereoscopic microscope (Leica MZ 8, 16x5x). All Nematodes of each sample were handpicked with a fine needle, transferred to glycerine (De Grisse I, II and III) (Seinhorst, 1959) , mounted on glass slides, identified to genus level and allocated to functional feeding groups based on Wieser, 1953 (as selective deposit feeders - 1A, non-selective deposit feeders - 1B, epistratum feeders - 2A and predators/scavengers - 2B).
Keyword(s):
feeding types; glacier; interstitial; NEW Polynya; Northeast Water Polynya; outflow shelf; sediment; species composition
Supplement to:
Bodur, Yasemin V; Renaud, Paul E; Lins, Lidia; Da Costa Monteiro, Luana; Ambrose, William G Jr; Felden, Janine; Krumpen, Thomas; Wenzhöfer, Frank; Włodarska-Kowalczuk, Maria; Braeckman, Ulrike (2024): Weakened pelagic-benthic coupling on an Arctic outflow shelf (Northeast Greenland) suggested by benthic ecosystem changes. Elementa - Science of the Anthropocene, 12(1), 00005, https://doi.org/10.1525/elementa.2023.00005
References:
Heip, Carlo H R; Vincx, Magda; Vranken, G (1985): The ecology of marine nematodes. Oceanography and Marine Biology Annual Review, 23, 399-489
Seinhorst, J W (1959): A Rapid Method for the Transfer of Nematodes From Fixative To Anhydrous Glycerin. Nematologica, 4(1), 67-69
Wieser, Wolfgang (1953): Die Beziehung Zwischen Mundhöhlengestalt, Ernährungsweise Und Vorkommen Bei Freilebenden Marinen Nematoden: Eine Ökologisch-Morphologische Studie. Arkiv för zoologi (2. Ser. 4), 439-484
Project(s):
FRontiers in Arctic marine Monitoring (FRAM)
Funding:
Research Foundation of Flanders (FWO), grant/award no. 1201720N
The Research Council of Norway (RCN), grant/award no. 276730: The Nansen Legacy
Coverage:
Median Latitude: 79.143453 * Median Longitude: -12.159580 * South-bound Latitude: 76.799630 * West-bound Longitude: -19.318270 * North-bound Latitude: 80.317630 * East-bound Longitude: -7.931730
Date/Time Start: 2017-09-17T15:16:00 * Date/Time End: 2017-10-04T19:13:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
2 datasets

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Datasets listed in this bundled publication

  1. Da Costa Monteiro, L; Lins, L; Braeckman, U (2024): Benthic meiofauna diversity on the Northeast Greenland (NEG) shelf sediments during POLARSTERN cruise PS109. https://doi.org/10.1594/PANGAEA.959357
  2. Da Costa Monteiro, L; Lins, L; Braeckman, U (2024): Nematoda diversity and functional feeding groups on the Northeast Greenland (NEG) shelf during POLARSTERN cruise PS109. https://doi.org/10.1594/PANGAEA.959351