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  • AWI_BioOce; Biological Oceanography @ AWI  (1)
  • Abundance; Biomass; biovolume; Copepoda; Fram Strait; QUAntifying Rapid Climate Change in the Arctic: regional feedbackS and large-scale impacts; QUARCCS; Zooplankton  (1)
  • Abundance; Aeginidae; Aetideidae; Aetideopsis rostrata, female; Aglantha digitale; Appendicularia; ARK-XXVI/1; Atolla tenella; Augaptilidae; Biomass; biovolume; Bivalvia, larvae; Botrynema spp.; Calanidae; Calanidae, c1-c3; Calanoida indeterminata, copepodites; Calanoida indeterminata, female; Calanoida indeterminata, male; Calanus hyperboreus, c4; Calanus hyperboreus, c5; Calanus hyperboreus, female; Calanus spp., c4; Calanus spp., c5; Calanus spp., female; Calanus spp., male; Chaetognatha; Chiridius obtusifrons, female; Clione limacina; Cnidaria indeterminata, biovolume; Comment; Copepoda; Copepoda, indeterminata; Copepoda, nauplii; Copepoda indeterminata; Cyclocaris guilelmi; Date/Time of event; Depth, bottom/max; Depth, top/min; DEPTH, water; Echinodermata, larvae; Elevation of event; Eukrohnia hamata; Euphausiacea; Event label; Fram Strait; Fritillariidae; Gaetanus brevispinus, female; Gaetanus tenuispinus, female; Harpacticoida; Heterorhabdidae, copepodites; Heterorhabdus norvegicus, female; Heterorhabdus norvegicus, male; Hymenodora glacialis; Isopoda; Lanceola clausi; Latitude of event; Limacina helicina; Longitude of event; Lucicutiidae; Metridia longa; Metridia longa, c1-c3; Metridia longa, c4; Metridia longa, c5; Metridia longa, female; Metridia longa, male; Metridia lucens; Microcalanus spp.; Mormonilloida; MSN; Multiple opening/closing net; Mysida; North Greenland Sea; Oikopleuridae; Oithonidae; Oncaeidae; Ostracoda; Paraeuchaeta spp., copepodites; Paraeuchaeta spp., female; Paraeuchaeta spp., male; Paraheterorhabdus compactus, female; Parasagitta elegans; Pelagobia cf. longicirrata; Pleuromamma sp.; Polarstern; Polychaeta, larvae; PS78; PS78/019-5; PS78/025-3; PS78/035-2; PS78/039-5; PS78/044-4; PS78/054-5; PS78/071-5; PS78/075-5; PS78/127-7; Pseudocalanus spp., copepodites; Pseudocalanus spp., female; Pseudocalanus spp., male; Pseudochirella spectabilis; QUAntifying Rapid Climate Change in the Arctic: regional feedbackS and large-scale impacts; QUARCCS; Rhabdoon reesi; Scaphocalanus magnus; Scaphocalanus magnus, female; Scaphocalanus spp., copepodites; Scaphocalanus spp., female; Scaphocalanus spp., male; Scolecithricella minor; Scolecitrichopsis polaris; Siphonophorae; Sminthea spp.; Solmundella bitentaculata; Spinocalanus antarcticus; Spinocalanus antarcticus, female; Spinocalanus elongatus, female; Spinocalanus longicornis, female; Spinocalanus longispinus, female; Spinocalanus spp., copepodites; Spinocalanus spp., male; Temorites brevis; Temorites brevis, female; Tharybis sp., copepodites; Tharybis sp. female; Themisto abyssorum; Themisto libellula; Tomopteris sp.; Typhloscolex cf. muelleri; Zooplankton; ZOOSCAN
Document type
Keywords
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Years
  • 1
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    Unknown
    PANGAEA
    In:  Supplement to: Nöthig, Eva-Maria; Bracher, Astrid; Engel, Anja; Metfies, Katja; Niehoff, Barbara; Peeken, Ilka; Bauerfeind, Eduard; Cherkasheva, Alexandra; Gäbler-Schwarz, Stefanie; Hardge, Kristin; Kilias, Estelle; Kraft, Angelina; Mebrahtom Kidane, Yohannes; Lalande, Catherine; Piontek, Judith; Thomisch, Karolin; Wurst, Mascha (2015): Summertime plankton ecology in Fram Strait—a compilation of long- and short-term observations. Polar Research, 34, 18 pp, https://doi.org/10.3402/polar.v34.23349
    Publication Date: 2023-06-21
    Description: Between Greenland and Spitsbergen, Fram Strait is a region where cold ice-covered Polar Water exits the Arctic Ocean with the East Greenland Current (EGC) and warm Atlantic Water enters the Arctic Ocean with the West Spitsbergen Current (WSC). In this compilation, we present two different data sets from plankton ecological observations in Fram Strait: (1) long-term measurements of satellite-derived (1998-2012) and in situ chlorophyll a (chl a) measurements (mainly summer cruises, 1991-2012) plus protist compositions (a station in WSC, eight summer cruises, 1998-2011); and (2) short-term measurements of a multidisciplinary approach that includes traditional plankton investigations, remote sensing, zooplankton, microbiological and molecular studies, and biogeochemical analyses carried out during two expeditions in June/July in the years 2010 and 2011. Both summer satellite-derived and in situ chl a concentrations showed slight trends towards higher values in the WSC since 1998 and 1991, respectively. In contrast, no trends were visible in the EGC. The protist composition in the WSC showed differences for the summer months: a dominance of diatoms was replaced by a dominance of Phaeocystis pouchetii and other small pico- and nanoplankton species. The observed differences in eastern Fram Strait were partially due to a warm anomaly in the WSC. Although changes associated with warmer water temperatures were observed, further long-term investigations are needed to distinguish between natural variability and climate change in Fram Strait. Results of two summer studies in 2010 and 2011 revealed the variability in plankton ecology in Fram Strait.
    Keywords: AWI_BioOce; Biological Oceanography @ AWI
    Type: Dataset
    Format: application/zip, 24 datasets
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-06-12
    Description: Mesozooplankton samples were collected with the Multinet midi (Hydrobios, Kiel) and Bongo nets during the POLARSTERN cruise PS78 (ARK-XXVI/1) on a transect across Fram Strait. The samples were analyzed with imaged-based ZooScan analysis (Gorsky et al. 2010) and microscopic counts to compare the taxonomic resolution and abundance of both methods as described in Cornils et al. (2022). The data collection includes abundance, biovolume, biomass and length measurements derived from the image-based analysis with ZooScan as well as abundances based on microscopic counts. To compare biomass estimates from image parameters direct measurements of prosome length and individual dry mass of Calanus spp. are also provided. The data analysis is described in Cornils et al. (2022).The R scripts deposited at GitHub (Cornils 2022) allow the transformation of the EcoTaxa image dataset https://ecotaxa.obs-vlfr.fr/prj/2771 to abundance, biovolume and dry mass of the zooplankton organisms.
    Keywords: Abundance; Biomass; biovolume; Copepoda; Fram Strait; QUAntifying Rapid Climate Change in the Arctic: regional feedbackS and large-scale impacts; QUARCCS; Zooplankton
    Type: Dataset
    Format: application/zip, 7 datasets
    Location Call Number Limitation Availability
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