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<p>The Dzungarian Alatau in Central Asia and the Western Carpathians in Central Europe are exposed to anthropogenic sources of pollution that are impacting high-altitude mountain systems through long-range transport of emissions. Based on analyses of the autumn faeces of two species of marmots (<i>Marmota baibacina</i> from the alpine habitats of Zhongar Alatau National Park, <i>Marmota marmota latirostris</i> from the alpine habitats of the Western Tatras), we determined the environmental load of mercury and other chemical elements. Our results show significantly higher levels of total mercury amounts (<i>p</i> &lt; 0.0001) in faeces of marmots from the Western Tatras, Slovakia (mean = 0.066 µg/g dry weight; SD = 0.43), than in Zhongar Alatau National Park, Kazakhstan (mean = 0.034 µg/g dry weight; SD = 0.01), as well as sulphur and heavy metals (Ba, Mn, Mo, Zn, Cu, and Cr) that originate from anthropogenic activities. Other significant differences in levels of mineral nutrients (K, Cl, Ca, Fe) and Sr rather indicate differences in food sources reflecting environmental factors.</p>

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Indication of air pollution based on the comparison of mercury and other elements in the faeces of marmots from the Western Carpathians and the Dzungarian Alatau

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月16日

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  • Martina Haas,
  • Katarína Tomíková,
  • Marián Janiga,
  • Aibek Abduakassov,
  • Zuzana Kompišová Ballová

摘要

The Dzungarian Alatau in Central Asia and the Western Carpathians in Central Europe are exposed to anthropogenic sources of pollution that are impacting high-altitude mountain systems through long-range transport of emissions. Based on analyses of the autumn faeces of two species of marmots (Marmota baibacina from the alpine habitats of Zhongar Alatau National Park, Marmota marmota latirostris from the alpine habitats of the Western Tatras), we determined the environmental load of mercury and other chemical elements. Our results show significantly higher levels of total mercury amounts (p < 0.0001) in faeces of marmots from the Western Tatras, Slovakia (mean = 0.066 µg/g dry weight; SD = 0.43), than in Zhongar Alatau National Park, Kazakhstan (mean = 0.034 µg/g dry weight; SD = 0.01), as well as sulphur and heavy metals (Ba, Mn, Mo, Zn, Cu, and Cr) that originate from anthropogenic activities. Other significant differences in levels of mineral nutrients (K, Cl, Ca, Fe) and Sr rather indicate differences in food sources reflecting environmental factors.