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<p>Despite their ecological value, many niche urban habitats like underground river channels remain understudied. In the time of a biodiversity crisis, it is increasingly important to understand the role of such sites in shaping urban fauna in order to protect it effectively. This study highlights the significant taxonomic richness found within the underground channel of the Brzoza River in Łódź (central Poland), emphasizing the ecological importance of such environments in urban biodiversity. In total 766 specimens from 85 different taxa were collected, including several rare and/or previously unrecorded species in central Poland, such as <i>Eubria palustris</i> (Germar, 1818) and <i>Microplana terrestris</i> (O.F. Müller, 1773), demonstrating the unique character of this urban subterranean ecosystem. For taxa where morphological identification to species level was challenging, molecular identification was employed. Different habitat types support unique faunal assemblages, highlighting their ecological variation. Despite their unassuming appearance, the wet seeps on the concrete walls of the studied underground channel harboured a surprisingly diverse fauna, functioning as a refuge with a community structure markedly different from those inhabiting surrounding environment. This research demonstrates the need for further investigation to enhance our understanding of the biodiversity, structure, and ecological function of these hidden urban ecosystems.</p>

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Unexplored source of urban biodiversity – preliminary studies on the underground channel of the Brzoza River (Łódź, Central Poland)

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年8月20日

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  • Kamil Słomczyński,
  • Jarosław Brodecki,
  • Jakub Bienias

摘要

Despite their ecological value, many niche urban habitats like underground river channels remain understudied. In the time of a biodiversity crisis, it is increasingly important to understand the role of such sites in shaping urban fauna in order to protect it effectively. This study highlights the significant taxonomic richness found within the underground channel of the Brzoza River in Łódź (central Poland), emphasizing the ecological importance of such environments in urban biodiversity. In total 766 specimens from 85 different taxa were collected, including several rare and/or previously unrecorded species in central Poland, such as Eubria palustris (Germar, 1818) and Microplana terrestris (O.F. Müller, 1773), demonstrating the unique character of this urban subterranean ecosystem. For taxa where morphological identification to species level was challenging, molecular identification was employed. Different habitat types support unique faunal assemblages, highlighting their ecological variation. Despite their unassuming appearance, the wet seeps on the concrete walls of the studied underground channel harboured a surprisingly diverse fauna, functioning as a refuge with a community structure markedly different from those inhabiting surrounding environment. This research demonstrates the need for further investigation to enhance our understanding of the biodiversity, structure, and ecological function of these hidden urban ecosystems.