This dataset contains archival data on the abundance and taxonomic composition of sympagic protists associated with Arctic sea ice. The data were collected between 1998 and 2017 in the Canadian and European Arctic. Samples were obtained from sea-ice cores, with emphasis on the lower ice layer where sympagic protist assemblages are typically concentrated.
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Sampling covered sea-ice habitats in the Canadian and European Arctic. The dataset focuses on protist assemblages associated with sea ice, particularly the lower ice layers.","sampling":"Sea-ice samples were collected using ice cores. Protist communities were analysed from core sections, with emphasis on the lower ice layer. Protists were identified and counted using the Utermöhl method. Sampling-event information, including date, location, and sample-level descriptors, is provided in the Event Core. Taxon records and abundance information are linked to sampling events through event identifiers.","methodSteps":["Sea-ice samples were collected using ice cores. Protist communities were analysed from core sections, with emphasis on the lower ice layer. Protists were identified and counted using the Utermöhl method. Sampling-event information, including date, location, and sample-level descriptors, is provided in the Event Core. Taxon records and abundance information are linked to sampling events through event identifiers."]},"countryCoverage":[],"collections":[],"dataDescriptions":[],"dataLanguage":"eng","purpose":"The purpose of this dataset is to provide an interoperable, GBIF-compatible representation of archival observations on Arctic sympagic protists. By harmonizing sampling-event, taxonomic, and abundance information, the dataset facilitates reuse in biodiversity analyses, assessments of sea-ice-associated protist communities, and studies of temporal and spatial variability in Arctic marine ecosystems.
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