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  • 2010-2014  (23)
  • 2013  (23)
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  • 2010-2014  (23)
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  • 1
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Kraft, Angelina; Bauerfeind, Eduard; Nöthig, Eva-Maria; Klages, Michael; Beszczynska-Möller, Agnieszka; Bathmann, Ulrich (2013): Amphipods in sediment traps of the eastern Fram Strait with focus on the life-history of the lysianassoid Cyclocaris guilelmi. Deep Sea Research Part I: Oceanographic Research Papers, 73, 62-72, https://doi.org/10.1016/j.dsr.2012.11.012
    Publikationsdatum: 2023-03-16
    Beschreibung: Life-cycle characteristics of the free-swimming lysianassoid amphipod Cyclocaris guilelmi were investigated and compared to those of other regularly appearing amphipods in the Arctic deep-sea community. In this context we analysed time-series data of meso- and bathypelagic amphipods collected as swimmers in moored sediment traps from 2004 to 2008 at the deep-sea long-term observatory HAUSGARTEN (79°N/4°E) in the eastern Fram Strait, Arctic Ocean. Six mesopelagic and three bathypelagic deep-sea amphipod species regularly occurred in the traps. The lysianassoid C. guilelmi showed a stable interannual population size and seasonal peaks in its occurrence from August to February during the five-year sampling period. The investigation of its population structure and reproduction ecology indicated year-round breeding behavior of this species. Up to 4 cohorts consisting mainly of juvenile and female C. guilelmi were observed. We conclude that C. guilelmi plays an important role within the Arctic amphipod deep water community.
    Schlagwort(e): Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard
    Materialart: Dataset
    Format: application/zip, 5 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2023-03-25
    Schlagwort(e): ARK-XXI/1b; Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; FEVI10; Mooring (long time); MOORY; North Greenland Sea; Polarstern; PS68; PS68/263-1, HGIV; Sample code/label; Themisto abyssorum, abundance index
    Materialart: Dataset
    Format: text/tab-separated-values, 70 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2023-03-25
    Schlagwort(e): ARK-XXII/1c; Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; FEVI16; Mooring (long time); MOORY; North Greenland Sea; Polarstern; PS70; PS70/218-1, HGIV; Sample code/label; Themisto abyssorum, abundance index
    Materialart: Dataset
    Format: text/tab-separated-values, 100 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Publikationsdatum: 2023-03-25
    Schlagwort(e): ARK-XXII/1c; Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; FEVI16; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Mooring (long time); MOORY; North Greenland Sea; Polarstern; PS70; PS70/218-1, HGIV; Sample code/label; Themisto abyssorum, abundance index
    Materialart: Dataset
    Format: text/tab-separated-values, 200 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Publikationsdatum: 2023-03-25
    Schlagwort(e): ARK-XX/1; Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; FEVI7; Mooring (long time); MOORY; North Greenland Sea; Polarstern; PS66; PS66/129-1, HGIV; Sample code/label; Themisto abyssorum, abundance index
    Materialart: Dataset
    Format: text/tab-separated-values, 100 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Publikationsdatum: 2023-03-25
    Schlagwort(e): ARK-XXI/1b; Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; FEVI10; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Mooring (long time); MOORY; North Greenland Sea; Polarstern; PS68; PS68/263-1, HGIV; Sample code/label; Themisto abyssorum, abundance index
    Materialart: Dataset
    Format: text/tab-separated-values, 150 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Publikationsdatum: 2023-03-25
    Schlagwort(e): Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; GREENLANDSEA_TRAP; Sample code/label; South Greenland Sea; Themisto abyssorum, abundance index; Trap; TRAP
    Materialart: Dataset
    Format: text/tab-separated-values, 100 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
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    Unbekannt
    PANGAEA
    In:  Supplement to: Peinert, Rolf; Antia, Avan N; Bauerfeind, Eduard; von Bodungen, Bodo; Haupt, Olaf; Krumbholz, Marita; Peeken, Ilka; Ramseier, René O; Voss, Maren; Zeitzschel, Bernt (2001): Particle flux variability in the polar and Atlantic biogeochemical provinces of the Nordic Seas. In: Schäfer, W; Ritzrau, M; Schlüter & J. Thiede (eds.) The Northern North Atlantic: A Changing Environment, Springer Verlag, Berlin, 500 pp, 53-68, https://doi.org/10.1007/978-3-642-56876-3_4
    Publikationsdatum: 2023-01-13
    Beschreibung: A decade of particle flux measurements providse the basis for a comparison of the eastern and western province s of the Nordic Seas. Ice-related physical and biological seasonality as well as pelagic settings jointly control fluxes in the western Polar Province which receive s southward flowing water of Polar origin. Sediment trap data from this realm highlight a predominantly physical flux control which leads to exports of siliceous particle s within the biological marginal ice zone as a prominent contributor. In the northward flowing waters of the eastern Atlanti c Province, feeding strategies, life histories and the succession ofdominant mesozooplankters (copepods and pteropods) are central in controlling fluxes. Furthermore, more calcareous matter is exported here with a shift in flux seasonality towards summer I autumn. Dominant pelagic processes modeled numerically as to their impact on annual organic carbon exports for both provinces confirm that interannual flux variability is related to changes in the respecti ve control mechanisms. Annual organic carbon export s are strikingly similar in the Polar and Atlantic Province s (2.4 and 2.9 g/m**2/y at 500 m depth), despite major differences in flux control. The Polar and Atlantic Provinces, however, can be distinguished according to annual fluxes of opal (1.4 and 0.6 g/m**2/y) and carbonate (6.8 and 10.4 g/m**2/y). Interannual variability may blur this in single years. Thus, it is vital to use multi-annual data sets when including particle exports in general biogeochemical province descriptions. Vertical flux profiles (collections from 500 m, 1000 m in both provinces and 300-600 m above the seafloor deviate from the general vertical decline of fluxes due to particle degradation during sinking. At depths〉 1000 m secondary fluxes (laterally advectedlresuspended particles) are often juxtaposed to primary (pelagic) fluxes, a pattern which is most prominent in the Atlantic Province. Spatial variability within the Atlantic Province remains poorly understood, and the same holds true for interannual variability. No proxies are at hand for this province to quantitatively relate fluxes to physical or biological pelagic properties. For the seasonally ice-covered Polar Province a robust relationship exists between particle export and ambient ice-regime (Ramseier et al. this volume; Ramseier et al. 1999). Spatial flux patterns may be differentiated and interannual variability can be analyzed in this manner to impro ve our ability to couple pelagic export patterns with benthic and geochemical sedimentary processes in seasonally ice-covered seas.
    Schlagwort(e): Global Environmental Change: The Northern North Atlantic; SFB313
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
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    Unbekannt
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publikationsdatum: 2024-02-27
    Schlagwort(e): AWI_PhyOce; Calculated; Conductivity; CTD, Sea-Bird SBE 911plus; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Fluorometer; HAUSGARTEN 2013; HG_I; HG_II; HG_IV; Kb0; KH; Latitude of event; Longitude of event; Maria S. Merian; MSM29; MSM29_423-1; MSM29_424-1; MSM29_425-1; MSM29_427-1; MSM29_428-1; MSM29_430-1; MSM29_431-1; MSM29_432-1; MSM29_434-2; MSM29_437-1; MSM29_438-1; MSM29_438-2; MSM29_438-3; MSM29_438-4; MSM29_438-5; MSM29_438-6; MSM29_438-7; MSM29_438-8; MSM29_438-9; MSM29_439-1; MSM29_439-5; MSM29_440-2; MSM29_441-1; MSM29_441-10; MSM29_441-3; MSM29_441-4; MSM29_441-5; MSM29_441-6; MSM29_441-7; MSM29_441-8; MSM29_441-9; MSM29_444-7; MSM29_450-1; MSM29_452-2; N3; N4; North Greenland Sea; Number of observations; Oxygen; Oxygen saturation; Physical Oceanography @ AWI; Pressure, water; S1; S2; S3; Salinity; Temperature, water; Temperature, water, potential; V12
    Materialart: Dataset
    Format: text/tab-separated-values, 261793 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    Publikationsdatum: 2024-02-02
    Schlagwort(e): Counting; Cyclocaris guilelmi, abundance index; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; FEVI13; Maria S. Merian; Mooring (long time); MOORY; MSM02/4; MSM2/787-1, HGIV; Sample code/label; Themisto abyssorum, abundance index
    Materialart: Dataset
    Format: text/tab-separated-values, 100 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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