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  • 2020-2024  (4)
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  • 1
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    Unknown
    ICEFLUX allometric measurements of polar zooplankton and fish (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-13
    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
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    DATA PANGAEA
  • 2
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    Unknown
    Aligning Standards Communities for Omics Biodiversity Data: Sustainable Darwin Core-MIxS Interoperability (2023)
    Pensoft
    Details
    Publication Date: 2024-02-14
    Description: The standardization of data, encompassing both primary and contextual information (metadata), plays a pivotal role in facilitating data (re-)use, integration, and knowledge generation. However, the biodiversity and omics communities, converging on omics biodiversity data, have historically developed and adopted their own distinct standards, hindering effective (meta)data integration and collaboration. In response to this challenge, the Task Group (TG) for Sustainable DwC-MIxS Interoperability was established. Convening experts from the Biodiversity Information Standards (TDWG) and the Genomic Standards Consortium (GSC) alongside external stakeholders, the TG aimed to promote sustainable interoperability between the Minimum Information about any (x) Sequence (MIxS) and Darwin Core (DwC) specifications. To achieve this goal, the TG utilized the Simple Standard for Sharing Ontology Mappings (SSSOM) to create a comprehensive mapping of DwC keys to MIxS keys. This mapping, combined with the development of the MIxS-DwC extension, enables the incorporation of MIxS core terms into DwC-compliant metadata records, facilitating seamless data exchange between MIxS and DwC user communities. Through the implementation of this translation layer, data produced in either MIxS- or DwCcompliant formats can now be efficiently brokered, breaking down silos and fostering closer collaboration between the biodiversity and omics communities. To ensure its sustainability and lasting impact, TDWG and GSC have both signed a Memorandum of Understanding (MoU) on creating a continuous model to synchronize their standards. These achievements mark a significant step forward in enhancing data sharing and utilization across domains, thereby unlocking new opportunities for scientific discovery and advancement.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
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    PAPER (OCEANREP)
  • 3
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    Allometric relationships of ecologically important Antarctic and Arctic zooplankton and fish species (2022)
    Springer
    In:  EPIC3Polar Bioloy, Springer
    Details
    Publication Date: 2023-06-21
    Description: Allometric relationships between body properties of animals are useful for a wide variety of purposes, such as estimation of biomass, growth, population structure, bioenergetic modelling and carbon flux studies. This study summarizes allometric relationships of zooplankton and nekton species that play major roles in polar marine food webs. Measurements were performed on 639 individuals of 15 species sampled during three expeditions in the Southern Ocean (winter and summer) and 2374 individuals of 14 species sampled during three expeditions in the Arctic Ocean (spring and summer). The information provided by this study fills current knowledge gaps on relationships between length and wet/dry mass of understudied animals, such as various gelatinous zooplankton, and of animals from understudied seasons and maturity stages, for example, for the krill Thysanoessa macrura and larval Euphausia superba caught in winter. Comparisons show that there is intra-specific variation in length–mass relationships of several species depending on season, e.g. for the amphipod Themisto libellula. To investigate the potential use of generalized regression models, comparisons between sexes, maturity stages or age classes were performed and are discussed, such as for the several krill species and T. libellula. Regression model comparisons on age classes of the fish E. antarctica were inconclusive about their general use. Other allometric measurements performed on carapaces, eyes, heads, telsons, tails and otoliths provided models that proved to be useful for estimating length or mass in, e.g. diet studies. In some cases, the suitability of these models may depend on species or developmental stages.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
    Format: application/pdf
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    PAPER (OA)
  • 4
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    Reviews and syntheses: A framework to observe, understand and project ecosystem response to environmental change in the East Antarctic Southern Ocean (2022)
    Copernicus GmbH
    In:  EPIC3Biogeosciences, Copernicus GmbH, 19(22), pp. 5313-5342, ISSN: 1810-6277
    Details
    Publication Date: 2024-02-14
    Description: 〈jats:p〉Abstract. Systematic long-term studies on ecosystem dynamics are largely lacking from the East Antarctic Southern Ocean, although it is well recognized that they are indispensable to identify the ecological impacts and risks of environmental change. Here, we present a framework for establishing a long-term cross-disciplinary study on decadal timescales. We argue that the eastern Weddell Sea and the adjacent sea to the east, off Dronning Maud Land, is a particularly well suited area for such a study, since it is based on findings from previous expeditions to this region. Moreover, since climate and environmental change have so far been comparatively muted in this area, as in the eastern Antarctic in general, a systematic long-term study of its environmental and ecological state can provide a baseline of the current situation, which will be important for an assessment of future changes from their very onset, with consistent and comparable time series data underpinning and testing models and their projections. By establishing an Integrated East Antarctic Marine Research (IEAMaR) observatory, long-term changes in ocean dynamics, geochemistry, biodiversity, and ecosystem functions and services will be systematically explored and mapped through regular autonomous and ship-based synoptic surveys. An associated long-term ecological research (LTER) programme, including experimental and modelling work, will allow for studying climate-driven ecosystem changes and interactions with impacts arising from other anthropogenic activities. This integrative approach will provide a level of long-term data availability and ecosystem understanding that are imperative to determine, understand, and project the consequences of climate change and support a sound science-informed management of future conservation efforts in the Southern Ocean. 〈/jats:p〉
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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    PAPER (OA)
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