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<p>We present measurements of δ<sup>13</sup>C, δ<sup>15</sup>N, C% and N% for 1,084 zooplankton samples (2,168 total isotope analyses). Analyses were performed on zooplankton taxa inhabiting Lake Maggiore, including copepod developmental stages, as well as on pooled organisms from three size-fraction groups (≥80 µm, ≥450 µm and ≥850 µm). We include 1,232 data on Standing Stock Density and Biomass for the ≥450 µm and ≥850 µm size fractions; data for the ≥80 µm fraction were published previously. The ≥450 µm and ≥850 µm size fractions were selected to target organisms preyed upon by fish, whereas the ≥80 µm fraction was included to better understand trophic relationships within the zooplankton community. The dataset resulted from a monitoring program on pelagic zooplankton and persistent organic pollutants, funded by the <i>Commissione Internazionale per la Protezione delle Acque Italo-Svizzere</i>, and conducted between 2010 and 2022. These data enable investigations of trophic relationships within the zooplankton community and fish predation, providing a basis for modelling the transfer of persistent organic pollutants through the pelagic food web.</p>

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Carbon and nitrogen (δ13C, δ15N) isotope ratios of zooplankton in Lake Maggiore (Italy): a 13-year dataset

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月26日

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  • Roberta Piscia,
  • Rossana Caroni,
  • Roberta Bettinetti,
  • Marina Manca

摘要

We present measurements of δ13C, δ15N, C% and N% for 1,084 zooplankton samples (2,168 total isotope analyses). Analyses were performed on zooplankton taxa inhabiting Lake Maggiore, including copepod developmental stages, as well as on pooled organisms from three size-fraction groups (≥80 µm, ≥450 µm and ≥850 µm). We include 1,232 data on Standing Stock Density and Biomass for the ≥450 µm and ≥850 µm size fractions; data for the ≥80 µm fraction were published previously. The ≥450 µm and ≥850 µm size fractions were selected to target organisms preyed upon by fish, whereas the ≥80 µm fraction was included to better understand trophic relationships within the zooplankton community. The dataset resulted from a monitoring program on pelagic zooplankton and persistent organic pollutants, funded by the Commissione Internazionale per la Protezione delle Acque Italo-Svizzere, and conducted between 2010 and 2022. These data enable investigations of trophic relationships within the zooplankton community and fish predation, providing a basis for modelling the transfer of persistent organic pollutants through the pelagic food web.