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  • PANGAEA  (54)
  • University of California Press  (4)
  • Elsevier  (1)
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  • 1
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    Unknown
    Energy content measurements on Arctic zooplankton collected during MOSAiC (PS122) (2023)
    PANGAEA
    Details
    Publication Date: 2024-07-19
    Description: This dataset contains energy content measurements performed on zooplankton collected in the Arctic Ocean during the MOSAiC expedition (PS122) from November 2019 untill September 2020. Energy content measurements were done on Apherusa glacialis, Themisto abyssorum, Chaetognatha, Thysanoessa longicaudata and Calanus hyperboreus. These species are all known prey of polar cod (Boreogadus saida), and their energy content was measured to be included in a bioenergetic model of the growth rate of this predator and to gain insight in the differences between prey species. The meaurements were performed on freeze-dried specimens using a 6725 semi-micro oxygen calorimeter (Parr, USA) connected to a 6772 calorimetric thermometer (Parr, USA).
    Keywords: Arctic; Arctic Ocean; BEAST; bomb-calorimetry; energy density; MOSAiC; MOSAiC_ECO; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Nansen closing net; NN; Polarstern; PS122/1; PS122/1_7-48; PS122/1_7-81; PS122/2; PS122/2_17-40; PS122/2_17-77; PS122/2_18-33; PS122/2_19-16; PS122/2_19-31; PS122/2_20-11; PS122/2_20-16; PS122/2_20-24; PS122/2_21-42; PS122/2_22-24; PS122/3; PS122/3_30-69; PS122/3_31-62; PS122/3_36-112; PS122/3_37-108; PS122/3_39-38; PS122/3_39-55; PS122/4; PS122/4_44-75; PS122/4_45-32; PS122/4_45-55; PS122/4_46-41; PS122/4_47-135; PS122/4_48-213; PS122/4_49-21; PS122/5; PS122/5_61-196; PS122/5_62-90; Remotely operated sensor platform BEAST; Ring net; RN; Zooplankton
    Type: dataset bundled publication
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Physiology, growth and development of larval krill ''Euphausia superba'' in autumn and winter in the Lazarev Sea, Antarctica (2009)
    PANGAEA
    In:  Supplement to: Meyer, Bettina; Fuentes, Veronica; Guerra, Citlali; Schmidt, Katrin; Atkinson, Angus; Spahic, Susanne; Cisewski, Boris; Freier, Ulrich; Olariaga, Alejandro; Bathmann, Ulrich (2009): Physiology, growth and development of larval krill ''Euphausia superba'' in autumn and winter in the Lazarev Sea, Antarctica. Limnology and Oceanography, 54(5), https://doi.org/10.4319/lo.2009.54.5.1595
    Details
    Publication Date: 2024-07-19
    Description: The physiological condition of larval Antarctic krill was investigated during austral autumn 2004 and winter 2006 in the Lazarev Sea, to provide better understanding of a critical period of their life cycle. The condition of larvae was quantified in both seasons by determining their body length (BL), dry mass (DM), elemental- and biochemical composition, as well as stomach content analysis, and rates of metabolism and growth. Overall the larvae in autumn were in better condition under the ice than in open water, and for those under the ice there was a decrease in condition from autumn to winter. Thus growth rates of furcilia larvae in open water in autumn were similar to winter values under the ice (mean 0.008 mm/d), whereas autumn, under ice values were higher: 0.015 mm/d. Equivalent larval stages had up to 30% lower BL and 70% lower DM in winter compared to autumn, with mean oxygen consumption 44% lower (0.54 µl O2 DM/h). However, their ammonium excretion rates doubled (from 0.03-0.06 µg NH4 DM/h) so their mean O:N ratio was 46 in autumn and 15 in winter. Thus differing metabolic substrates were used between autumn and winter, suggesting a flexible overwintering strategy, as suggested for adults. The larvae were eating small copepods (Oithona spp.) and/or protozoans as well as autotrophic food under the ice. However, pelagic Chlorophyll a (Chl a) was a good predictor for growth in both seasons. The physics (current speed/ice topography) probably has a critical part to play in whether larval krill can exploit the food that may be associated with sea ice or be advected away from such suitable feeding habitat.
    Keywords: ANT-XXI/4; ANT-XXIII/6; AWI_BioOce; Biological Oceanography @ AWI; BONGO; Bongo net; DIVER; Hand net; HN; Polarstern; PS65; PS65/609-4; PS65/612-3; PS65/615-4; PS65/628-7; PS65/661-5; PS65/665-5; PS69; PS69/478-3; PS69/498-A; PS69/498-B; PS69/498-C; PS69/515-A; Sampling by diver
    Type: dataset publication series
    Format: application/zip, 33 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Fish and zooplankton sonar raw data (Simrad EK-60 / Simrad EK-80 echosounder) of RV POLARSTERN during cruise PS122/5, MOSAiC expedition, Arctic Ocean (2023)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-19
    Description: This dataset contains hydroacoustic measurements collected by the Simrad EK60/EK80 echosounder of RV Polarstern during its drift across the Central Arctic Ocean during the MOSAiC expedition (PS122) from October 2019 to October 2020. We provide data for the frequencies 38, 70, 120 and 200 kHz (synchronized), and 18 kHz. The data are uncalibrated raw measurements of acoustic backscatter in the Simrad raw format. The data should only be used after careful consideration of the disclaimer on appropriate scientific use of the data provided with this dataset.
    Keywords: Binary Object; DATE/TIME; Echosounder, Simrad, EK60; EK60_EK80; Event label; Fish finder echolot, EK60 / EK80; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; North Greenland Sea; Polarstern; PS122/5; PS122/5_58-4
    Type: dataset
    Format: text/tab-separated-values, 45632 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    ICEFLUX allometric measurements of polar zooplankton and fish (2021)
    PANGAEA
    Details
    Publication Date: 2024-07-19
    Description: This dataset summarizes allometric measurements on zooplankton and nekton species performed in the framework of the Dutch and German ICEFLUX projects. Measurements were performed on 639 individuals of 15 species from the Southern Ocean and 2374 individuals of 14 species from the Arctic Ocean, including euphausiids, fish, pelagic and ice-associated amphipods, cnidarians, salps, siphonophores, chaetognaths and a copepod. Animals were collected during three expeditions in the Southern Ocean (winter and summer) and three expeditions in the Arctic Ocean (spring and summer). In addition to measurements on length and mass, the sizes of body parts were measured, such as carapaces, eyes, heads, telsons, tails and otoliths.
    Keywords: Allometric relationships; ANT-XXIX/7; ANT-XXIX/9; ANT-XXX/2; Arctic Ocean; ARK-XXIX/1, TRANSSIZ; ARK-XXVII/3; ARK-XXXI/1.2; Barents Sea; Bottom trawl; BT; CAATEX; Carapace, length; CATS; CATS - The Changing Arctic Transpolar System; Coordinated Arctic Acoustic Thermoetry Experiment; Date/Time of event; Date of determination; Digital scale; Event label; Eye, length, horizontal; Eye, length, vertical; Eye distance; Field observation; fish; HAVOC; Head, length; Head, width; Ice Camp 1; Ice Camp 2; Identification; Individual dry mass; Latitude of event; Lazarev Sea; Length; Length, standard; Length, total; Life stage; Longitude of event; Mass; MSN; Multiple opening/closing net; Otolith, length; Otolith, width; Polarstern; Preservation; Prosome, length; PS106_50-5; PS106_52-1; PS106_63-1; PS106_65-3; PS106_65-4; PS106_66-4; PS106_67-1; PS106_67-5; PS106_68-5; PS106_69-2; PS106_70-1; PS106_70-4; PS106_71-4; PS106_71-5; PS106_72-1; PS106_72-5; PS106_73-7; PS106_73-8; PS106_74-4; PS106_74-5; PS106_75-5; PS106_75-6; PS106_76-3; PS106_76-4; PS106_77-2; PS106_77-3; PS106_78-4; PS106_78-5; PS106_79-1; PS106_80-3; PS106_80-4; PS106_80-5; PS106_83-6; PS106_83-7; PS106_89-1; PS106_90-1; PS106_91-1; PS106_93-1; PS106/2; PS80/204-1; PS80/216-1; PS80/223-1; PS80/233-1; PS80/248-1; PS80/258-1; PS80/276-1; PS80/285-1; PS80/321-1; PS80/331-1; PS80/333-1; PS80/345-1; PS80/358-1; PS80/376-1; PS80/397-1; PS80 IceArc; PS81; PS81/551-1; PS81/555-44; PS81/555-47; PS81/557-2; PS81/560-2; PS81/562-5; PS81/565-5; PS81/566-18; PS81/566-2; PS81/566-21; PS81/566-4; PS81/567-2; PS81/570-5; PS81/571-1; PS81/571-2; PS81/577-2; PS81/579-2; PS82; PS82/042-1; PS82/051-1; PS82/065-1; PS82/083-1; PS82/090-1; PS82/100-1; PS82/107-1; PS82/124-1; PS82/133-1; PS82/135-1; PS82/147-1; PS82/155-1; PS82/177-1; PS82/199-1; PS82/227-1; PS82/234-1; PS82/247-1; PS82/250-1; PS82/304-1; PS82/317-1; PS89; PS89/018-1; PS89/024-2; PS89/025-1; PS89/027-5; PS89/027-6; PS89/029-1; PS89/029-3; PS89/030-2; PS89/030-4; PS89/053-3; PS89/059-1; PS89/062-1; PS89/066-5; PS89/070-1; PS89/070-2; PS89/071-1; PS89/079-1; PS89/080-3; PS92; PS92/019-1; PS92/019-2; PS92/027-1; PS92/027-17; PS92/028-4; PS92/028-5; PS92/031-1; PS92/032-11; PS92/032-12; PS92/038-1; PS92/038-2; PS92/039-17; PS92/043-24; PS92/044-1; PS92/045-1; PS92/047-1; PS92/047-2; PS92/047-23; PS92/048-1; PS92/049-1; Rectangular midwater trawl; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; RMT; Scotia Sea; Sex; South Atlantic Ocean; Southern Ocean; Species; Stereo Microscope; SUIT; Surface and under ice trawl; Tail, length; Telson, length; Uniform resource locator/link to reference; Weddell Sea; Wet mass; Zooplankton
    Type: dataset
    Format: text/tab-separated-values, 25886 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Maximum ingestion and maximum clearance rate of Euphausia superba determined experimentally (2014)
    PANGAEA
    Details
    Publication Date: 2024-07-19
    Keywords: ANT-XVI/3; Biomass as carbon per individual; BONGO; Bongo net; Clearance rate per individual; E_superba_FEEDEXP-1; Polarstern; PS53; Southern Ocean; Taxon/taxa; Treatment: temperature; Uniform resource locator/link to reference
    Type: dataset
    Format: text/tab-separated-values, 10 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Information on polar cod (Boreogadus saida) from the central Arctic Ocean, used for stomach content analysis (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-25
    Description: This file contains data on polar cod (Boreogadus saida) used for stomach content analysis. The individuals caught from underneath the sea ice of the central Arctic Ocean during spring and summer. The fish were collected during Polarstern expeditions PS80 (2012), PS92 (2015), PS106.2 (2017) and PS122 (2019/2020). The data was collected to gain knowledge on the diet of polar cod and the ice-associated food web of the central Arctic. Fish parameters, such as length and weight, were recorded for 86 individuals. In addition, the condition index of the fish was calculated. The stomach and stomach contents were also weighed and the degree of digestion of the contents were estimated.
    Keywords: Arctic Ocean; ARK-XXIX/1, TRANSSIZ; ARK-XXVII/3; ARK-XXXI/1.2; BEAST; Boreogadus saida; Boreogadus saida, condition index; Boreogadus saida, sex; Boreogadus saida, standard length; Boreogadus saida, stomach content, mass; Boreogadus saida, stomach mass; Boreogadus saida, total length; Boreogadus saida, wet mass; Calculated according to Kohlbach et al. (2017); Central Arctic Ocean; Comment; Cruise/expedition; Date; DATE/TIME; Degree of digestion; DEPTH, water; Event label; FISHS; Fish sampling; Gear; LATITUDE; Location ID; LONGITUDE; microscopy; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; Precision Balance, Mettler Toledo, PC2000; PS106_50-5; PS106_67-5; PS106_70-1; PS106/2; PS106.2; PS122; PS122/1; PS122/1_10-113; PS122/4; PS122/4_48-279; PS122/4_49-128; PS122/5; PS122/5_59-265; PS122/5_59-50; PS122/5_60-126; PS122/5_60-19; PS122/5_62-195; PS80; PS80/216-1; PS80/223-1; PS80/248-1; PS80/258-1; PS80/276-1; PS80/285-1; PS80/321-1; PS80/331-1; PS80/345-1; PS80/358-1; PS80/376-1; PS80 IceArc; PS92; PS92/031-1; PS92/038-1; PS92/039-17; PS92/043-24; PS92/047-1; PS92/047-23; Rectangular midwater trawl; Remotely operated sensor platform BEAST; Ring net; RMT; RN; RULER; Ruler stick; Sample comment; Specimen identification; Stomach contents; Subsample ID; SUIT; Surface and under ice trawl; Tap; TAP
    Type: dataset
    Format: text/tab-separated-values, 1185 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Length of prey items found in the stomach of polar cod (Boreogadus saida) from the central Arctic Ocean (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-25
    Description: This file contains length measurements performed on prey items found in the stomach content of polar cod (Boreogadus saida) caught from underneath the sea ice of the central Arctic Ocean during spring and summer. The fish were collected during Polarstern expeditions PS80 (2012), PS92 (2015), PS106.2 (2017) and PS122 (2019/2020). The data was collected to gain knowledge on the diet of polar cod and the ice-associated food web of the central Arctic. The stomach contents of 86 individuals were analysed using a Discovery V8 stereomicroscope (Zeiss, Germany). Length measurements were performed on prey items found in the stomachs using an AxioCam HRc with AxioVision40 V 4.8.2.0 software (Zeiss, Germany), including Calanus spp., Tisbe spp, Themisto spp, and Apherusa glacialis.
    Keywords: Arctic Ocean; ARK-XXIX/1, TRANSSIZ; ARK-XXVII/3; ARK-XXXI/1.2; BEAST; Boreogadus saida; Central Arctic Ocean; Event label; Eye, length; FISHS; Fish sampling; Head, length; Length, total; Life stage; microscopy; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; Prosome, length; PS106_50-5; PS106/2; PS106.2; PS122; PS122/1; PS122/1_10-113; PS122/4; PS122/4_48-279; PS122/5; PS122/5_59-50; PS122/5_60-19; PS80; PS80/216-1; PS80/223-1; PS80/248-1; PS80/258-1; PS80/276-1; PS80/285-1; PS80/321-1; PS80/345-1; PS80/358-1; PS80/376-1; PS80 IceArc; PS92; PS92/031-1; PS92/039-17; PS92/043-24; PS92/047-1; PS92/047-23; Rectangular midwater trawl; Remotely operated sensor platform BEAST; RMT; Sample type; Species; Stereo microscope, Zeiss, SteREO Discovery.V8; Stereo microscope, Zeiss, SteREO Discovery.V8; coupled to Microscope camera, Zeiss, AxioCam HRc [Software, Zeiss, AxioVision40 V 4.8.2.0]; Stomach contents; Subsample ID; SUIT; Surface and under ice trawl; Tap; TAP; Taxon/taxa, unique identification; Taxon/taxa, unique identification (Semantic URI); Taxon/taxa, unique identification (URI); Telson, length; Type; Urosome, length
    Type: dataset
    Format: text/tab-separated-values, 2071 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Unknown
    Diet of polar cod (Boreogadus saida) from the central Arctic Ocean (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-26
    Description: This file contains stomach content data from polar cod (Boreogadus saida) caught from underneath the sea ice of the central Arctic Ocean during spring and summer. The fish were collected during Polarstern expeditions PS80 (2012), PS92 (2015), PS106.2 (2017) and PS122 (2019/2020). The data was collected to gain knowledge on the diet of polar cod and the ice-associated food web of the central Arctic. The stomach contents of 86 individuals were analysed using a Discovery V8 stereomicroscope (Zeiss, Germany). All recognizable food items were counted and are listed in this dataset. Fish parameters, such as length and weight, were recorded. In addition, the condition index of the fish was calculated. The stomach and stomach contens were also weighed and the degree of digestion of the contents were estimated. The dataset also contains length measurements performed on prey items found in the stomachs using an AxioCam HRc with AxioVision40 V 4.8.2.0 software (Zeiss, Germany), including Calanus spp., Tisbe spp, Themisto spp, and Apherusa glacialis.
    Keywords: Boreogadus saida; Central Arctic Ocean; microscopy; MOSAiC; Multidisciplinary drifting Observatory for the Study of Arctic Climate; PS106.2; PS122; PS80; PS92; Stomach contents
    Type: dataset bundled publication
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Body length, dry mass, carbon, nitrogen, lipid, and protein of Euphausia superba, larvae, furcilia III (2009)
    PANGAEA
    Details
    Publication Date: 2024-07-19
    Keywords: ANT-XXI/4; AWI_BioOce; Biological Oceanography @ AWI; BONGO; Bongo net; Euphausia superba, larvae, carbon; Euphausia superba, larvae, dry mass; Euphausia superba, larvae, length; Euphausia superba, larvae, lipid; Euphausia superba, larvae, nitrogen; Euphausia superba, larvae, protein; Polarstern; PS65; PS65/661-5
    Type: dataset
    Format: text/tab-separated-values, 128 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Unknown
    Body length, dry mass, carbon, nitrogen, lipid, and protein of Euphausia superba, larvae, furcilia I (2009)
    PANGAEA
    Details
    Publication Date: 2024-07-19
    Keywords: ANT-XXI/4; AWI_BioOce; Biological Oceanography @ AWI; BONGO; Bongo net; Euphausia superba, larvae, carbon; Euphausia superba, larvae, dry mass; Euphausia superba, larvae, length; Euphausia superba, larvae, lipid; Euphausia superba, larvae, nitrogen; Euphausia superba, larvae, protein; Polarstern; PS65; PS65/661-5
    Type: dataset
    Format: text/tab-separated-values, 606 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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