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  • Abundance; Acartia spp., biomass, dry mass; Biomass; Bivalvia, biomass, dry mass; Branchiostoma spp., biomass, dry mass; Calanoida, biomass, dry mass; Ceratium spp., biomass, dry mass; Climate - Biogeochemistry Interactions in the Tropical Ocean; Cnidaria, biomass, dry mass; Coastal Upwelling System in a Changing Ocean; Copepoda, biomass, dry mass; Copepoda, nauplii, biomass, dry mass; Corycaeidae, biomass, dry mass; Crustacea, larvae, biomass, dry mass; CUSCO; Cyclopoida, biomass, dry mass; DATE/TIME; Diatoms, centrales, biomass, dry mass; Gastropoda, biomass, dry mass; Gut fluorescence; Harpacticoida, biomass, dry mass; Hemicyclops spp., biomass, dry mass; Humboldt Current System; KOSMOS_2017; KOSMOS_2017_Peru; KOSMOS Peru; Lipid; MESO; mesocosm experiment; Mesocosm experiment; Mesocosm label; Noctilucales, biomass, dry mass; Oncaeidae, biomass, dry mass; Oxygen Minimun zone; Paracalanus spp., biomass, dry mass; Polychaeta, biomass, dry mass; Sample code/label; Sample volume; SFB754; Spionidae, biomass, dry mass; Stable isotopes; Tintinnida, biomass, dry mass; Zooplankton; Zooplankton, biomass, dry mass  (1)
  • Coastal Upwelling System in a Changing Ocean; CUSCO  (1)
  • PANGAEA  (2)
  • 2020-2024  (2)
  • 1985-1989
  • 1920-1924
Document type
Keywords
Publisher
  • PANGAEA  (2)
Years
  • 2020-2024  (2)
  • 1985-1989
  • 1920-1924
Year
  • 1
    Publication Date: 2024-03-09
    Description: A combined stable isotope and fatty acid trophic biomarker approach was adopted for key zooplankton taxa and higher trophic positions of the northern Humboldt Current System to elucidate the pelagic food-web structure and to better understand trophic interactions. Samples covered an extensive spatial range from 8.5°S to 16°S and a vertical range down to 1,000 m depth. Immediately after each haul, specimens were sorted alive in the lab and apparently live and healthy individuals were stored in vials and deep-frozen at -80°C until further lipid and stable isotope analyses. The comprehensive data set covered over 20 zooplankton taxa and indicated that three biomass-rich crustacean species usually dominated the zooplankton community, i.e., the copepods Calanus chilensis at the surface and Eucalanus inermis in the pronounced oxygen minimum zone and the krill Euphausia mucronata, resulting in an overall low number of major trophic pathways toward anchovies. In addition, the semi-pelagic squat lobster Pleuroncodes monodon appears to play a key role in the benthic-pelagic coupling. By partly feeding on benthic resources and by diel vertical migration, P. monodon provides a unique pathway for returning carbon and energy from the sea floor to the epipelagic layer, increasing the food supply for pelagic fish.
    Keywords: Coastal Upwelling System in a Changing Ocean; CUSCO
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-06-12
    Description: Biomass of zooplankton taxa in µg DM per liter as determined by ZooScan, using published area to dry weight relationships (Lehette & Hernandez-Leon 2009). Each data point is one sampling day (date) in one mesocosm (MK). For details on experimental treatments and sampling, refer to Bach et al. 2021 (https://doi.org/10.5194/bg-17-4831-2020) and Ayon et al. 2022 (https://doi.org/10.5194/bg-2022-157). Raw images are stored in https://ecotaxa.obs-vlfr.fr/prj/3784. All taxonomic categories are self-expanatory.
    Keywords: Abundance; Acartia spp., biomass, dry mass; Biomass; Bivalvia, biomass, dry mass; Branchiostoma spp., biomass, dry mass; Calanoida, biomass, dry mass; Ceratium spp., biomass, dry mass; Climate - Biogeochemistry Interactions in the Tropical Ocean; Cnidaria, biomass, dry mass; Coastal Upwelling System in a Changing Ocean; Copepoda, biomass, dry mass; Copepoda, nauplii, biomass, dry mass; Corycaeidae, biomass, dry mass; Crustacea, larvae, biomass, dry mass; CUSCO; Cyclopoida, biomass, dry mass; DATE/TIME; Diatoms, centrales, biomass, dry mass; Gastropoda, biomass, dry mass; Gut fluorescence; Harpacticoida, biomass, dry mass; Hemicyclops spp., biomass, dry mass; Humboldt Current System; KOSMOS_2017; KOSMOS_2017_Peru; KOSMOS Peru; Lipid; MESO; mesocosm experiment; Mesocosm experiment; Mesocosm label; Noctilucales, biomass, dry mass; Oncaeidae, biomass, dry mass; Oxygen Minimun zone; Paracalanus spp., biomass, dry mass; Polychaeta, biomass, dry mass; Sample code/label; Sample volume; SFB754; Spionidae, biomass, dry mass; Stable isotopes; Tintinnida, biomass, dry mass; Zooplankton; Zooplankton, biomass, dry mass
    Type: Dataset
    Format: text/tab-separated-values, 2430 data points
    Location Call Number Limitation Availability
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