Andreev, Andrei A; Peteet, Dorothy M; Tarasov, Pavel E; Romanenko, Fedor A; Filimonova, Ludmila V; Sulerzhitsky, Leopold D (2001): Pollen record with radiocarbon datings from Faddeyevskiy Island, Laptev Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.726695, Supplement to: Andreev, AA et al. (2001): Late Pleistocene interstadial environment on Faddeyevskiy Island, East-Siberian Sea, Russia. Arctic, Antarctic, and Alpine Research, 33(1), 28-35, http://www.jstor.org/stable/1552274
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Abstract:
Pollen, plant macrofossil, loss-on-ignition and radiocarbon analyses of a 1.4-m section in thermokarst topography from Faddeyevskiy Island (75°20'N, 143°50'E, 30 m elevation) provides new information on Late Pleistocene interstadial environmental history of this high Arctic region. Conventional radiocarbon dates (25,700 ± 1000, 32,780 ± 500, 35,200 ± 650 yr BP) and two AMS dates (29,950 ± 660 and 42,990 ± 1280 yr BP) indicate that the deposits accumulated during the Kargian (Boutellier) interval. Numerous mammoth (Mammuthus primigenius) remains that have been collected in vicinity of the site in this study were radio-carbon dated to 36,700-18,500 yr BP. Rare bison (Bison priscus) bones were dated to 32,200 ± 600 and 33,100 ± 320 yr BP. Poaceae, Cyperaceae, and Artemisia pollen dominate the spectra with some Ranunculaceae, Caryophyllaceae, Rosaceae, and Asteraceae. The pollen spectra reflect steppe-like (tundra-steppe) vegetation, which was dominant on the exposed shelf of the Arctic Ocean. Numerous Carex macrofossils suggest that the summer climate was at least 2°C warmer than today. The productivity of the local vegetation during the Kargian interstadial was high enough to feed the population of grazing mammals.
Project(s):
Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)
Coverage:
Latitude: 75.333300 * Longitude: 143.833300
Event(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Andreev, AA (2001): Radiocarbon datings of a profile on Faddeyevskiy Island. https://doi.org/10.1594/PANGAEA.726691
- Andreev, AA (2001): Pollen record of a profile on Faddeyevskiy Island. https://doi.org/10.1594/PANGAEA.726694