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Using two Russian megacities, Moscow and Ekaterinburg, this study assesses how local organizer activity, specialization, and iNaturalist community traits influence biodiversity identification during the international City Nature Challenge (CNC). Data collected via iNaturalist from 2019 to 2024 were analyzed. Both cities are leaders in iNaturalist use in Russia: Ekaterinburg has participated since 2020, while Moscow was active from 2020 to 2022. Comparative analysis revealed that the presence of organizers, their specialization, and efforts to engage users significantly influence observation activity and taxonomic coverage. The results indicate a possible “founder effect” in the distribution of observations across taxonomic groups. Notably, when targeted organizer activities occur on CNC days, user engagement significantly increases, often leading to a focus on taxonomic groups that typically do not attract their interest. These findings highlight the role of professional organization in raising biodiversity awareness and community participation, providing valuable insights for further urban ecology research and public biodiversity monitoring projects.

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Targeted Activity of Local Organizers’ Influences on Biodiversity Identification Within City Nature Challenge: The Experience of 2 Russian Megacities

  • 章节

  • 发表日期：

    2025年

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  • Nina Sadykova,
  • Ivan A. Smorkalov

摘要

Using two Russian megacities, Moscow and Ekaterinburg, this study assesses how local organizer activity, specialization, and iNaturalist community traits influence biodiversity identification during the international City Nature Challenge (CNC). Data collected via iNaturalist from 2019 to 2024 were analyzed. Both cities are leaders in iNaturalist use in Russia: Ekaterinburg has participated since 2020, while Moscow was active from 2020 to 2022. Comparative analysis revealed that the presence of organizers, their specialization, and efforts to engage users significantly influence observation activity and taxonomic coverage. The results indicate a possible “founder effect” in the distribution of observations across taxonomic groups. Notably, when targeted organizer activities occur on CNC days, user engagement significantly increases, often leading to a focus on taxonomic groups that typically do not attract their interest. These findings highlight the role of professional organization in raising biodiversity awareness and community participation, providing valuable insights for further urban ecology research and public biodiversity monitoring projects.