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  • 1
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    Ecology. Antarctic biodiversity (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Convey, Peter -- Stevens, Mark I -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1877-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge CB3 0ET, UK. p.convey@bas.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17901323" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antarctic Regions ; *Biodiversity ; *Ecosystem ; *Eukaryota ; Fossils ; *Ice Cover ; *Invertebrates ; Lichens ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Age-related environmental gradients influence invertebrate distribution in the Prince Charles Mountains, East Antarctica (2016)
    Royal Society
    Details
    Publication Date: 2016-12-16
    Description: The potential impact of environmental change on terrestrial Antarctic ecosystems can be explored by inspecting biodiversity patterns across large-scale gradients. Unfortunately, morphology-based surveys of Antarctic invertebrates are time-consuming and limited by the cryptic nature of many taxa. We used biodiversity information derived from high-throughput sequencing (HTS) to elucidate the relationship between soil properties and invertebrate biodiversity in the Prince Charles Mountains, East Antarctica. Across 136 analysed soil samples collected from Mount Menzies, Mawson Escarpment and Lake Terrasovoje, we found invertebrate distribution in the Prince Charles Mountains significantly influenced by soil salinity and/or sulfur content. Phyla Tardigrada and Arachnida occurred predominantly in low-salinity substrates with abundant nutrients, whereas Bdelloidea (Rotifera) and Chromadorea (Nematoda) were more common in highly saline substrates. A significant correlation between invertebrate occurrence, soil salinity and time since deglaciation indicates that terrain age indirectly influences Antarctic terrestrial biodiversity, with more recently deglaciated areas supporting greater diversity. Our study demonstrates the value of HTS metabarcoding to investigate environmental constraints on inconspicuous soil biodiversity across large spatial scales.
    Keywords: molecular biology, ecology, environmental science
    Electronic ISSN: 2054-5703
    Topics: Natural Sciences in General
    Published by Royal Society
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