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<p>Urbanization exerts profound impacts on freshwater ecosystems including rivers, triggering shifts in plankton communities, yet long-term data remain scarce. Therefore, we present an extensive 11-year dataset (2012–2022) spanning a distinct rural-to-urban gradient within the Houxi River watershed in subtropical China. Our systematic sampling characterized multiple plankton communities: phytoplankton were analyzed bi-annually (summer and winter) via microscopy, while bacterioplankton and eukaryotic plankton were investigated seasonally through amplicon sequencing of the 16S rRNA gene (V3-V4) and 18S rRNA gene (V9) regions, respectively. Concurrently collected water quality and nutrient data provide comprehensive environmental context. The BEPE (Bacterioplankton, Eukaryotic plankton, Phytoplankton and Environmental variables) dataset reveals distinct trends across space and time, enhancing our understanding of the impacts of urbanization and land&#xa0;use on river-reservoir ecosystems, particularly plankton communities and serves as a valuable foundation for future ecological conservation and restoration efforts.</p>

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A multiyear time series (2012–2022) of river plankton dynamics in a subtropical urbanizing watershed

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月20日

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  • Nisar Ahmad,
  • Yifan Lu,
  • Huihuang Chen,
  • Anqi Luo,
  • Rehman Ali,
  • Xue Yan,
  • Kexin Ren,
  • Shuzhen Li,
  • Zijie Xu,
  • Jun R. Yang,
  • Alain Isabwe,
  • Yongming Wang,
  • Lei Jin,
  • Peng Xiao,
  • Jun Yang

摘要

Urbanization exerts profound impacts on freshwater ecosystems including rivers, triggering shifts in plankton communities, yet long-term data remain scarce. Therefore, we present an extensive 11-year dataset (2012–2022) spanning a distinct rural-to-urban gradient within the Houxi River watershed in subtropical China. Our systematic sampling characterized multiple plankton communities: phytoplankton were analyzed bi-annually (summer and winter) via microscopy, while bacterioplankton and eukaryotic plankton were investigated seasonally through amplicon sequencing of the 16S rRNA gene (V3-V4) and 18S rRNA gene (V9) regions, respectively. Concurrently collected water quality and nutrient data provide comprehensive environmental context. The BEPE (Bacterioplankton, Eukaryotic plankton, Phytoplankton and Environmental variables) dataset reveals distinct trends across space and time, enhancing our understanding of the impacts of urbanization and land use on river-reservoir ecosystems, particularly plankton communities and serves as a valuable foundation for future ecological conservation and restoration efforts.