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<p>Northern ecosystems are undergoing major changes in response to amplified warming, including range migrations due to changing environmental constraints on species distributions. The circumpolar Arctic’s abundant freshwater ecosystems are highly sensitive to increasing temperatures as well as the effects of warming-induced changes in terrestrial catchment vegetation and soils. Here, we examine a 1400&#xa0;km-long transect in Arctic and Subarctic Canada and show northward shifts in aquatic ecotones over the past ~ 25&#xa0;years in response to accelerated regional warming.</p>

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Climate warming is shifting northern aquatic ecotones

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年1月30日

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  • Marie Alibert,
  • Reinhard Pienitz,
  • Dermot Antoniades

摘要

Northern ecosystems are undergoing major changes in response to amplified warming, including range migrations due to changing environmental constraints on species distributions. The circumpolar Arctic’s abundant freshwater ecosystems are highly sensitive to increasing temperatures as well as the effects of warming-induced changes in terrestrial catchment vegetation and soils. Here, we examine a 1400 km-long transect in Arctic and Subarctic Canada and show northward shifts in aquatic ecotones over the past ~ 25 years in response to accelerated regional warming.