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Lake salinization drives consistent losses of zooplankton abundance and diversity across coordinated mesocosm experiments

Limnology And Oceanography Letters, ISSN: 2378-2242, Vol: 8, Issue: 1, Page: 19-29
2023
  • 35
    Citations
  • 1
    Usage
  • 64
    Captures
  • 14
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    35
    • Citation Indexes
      34
    • Policy Citations
      1
      • 1
  • Usage
    1
  • Captures
    64
  • Mentions
    14
    • News Mentions
      14
      • 14

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Letter Description

Human-induced salinization increasingly threatens inland waters; yet we know little about the multifaceted response of lake communities to salt contamination. By conducting a coordinated mesocosm experiment of lake salinization across 16 sites in North America and Europe, we quantified the response of zooplankton abundance and (taxonomic and functional) community structure to a broad gradient of environmentally relevant chloride concentrations, ranging from 4 to ca. 1400 mg Cl L. We found that crustaceans were distinctly more sensitive to elevated chloride than rotifers; yet, rotifers did not show compensatory abundance increases in response to crustacean declines. For crustaceans, our among-site comparisons indicate: (1) highly consistent decreases in abundance and taxon richness with salinity; (2) widespread chloride sensitivity across major taxonomic groups (Cladocera, Cyclopoida, and Calanoida); and (3) weaker loss of functional than taxonomic diversity. Overall, our study demonstrates that aggregate properties of zooplankton communities can be adversely affected at chloride concentrations relevant to anthropogenic salinization in lakes.

Bibliographic Details

Marie Pier Hébert; Alison M. Derry; Vincent Fugère; Louis Astorg; Simon Thibodeau; Beatrix E. Beisner; Celia C. Symons; Miguel Cañedo-Argüelles; Shelley E. Arnott; Danielle Greco; Alexandra McClymont; James A. Rusak; William D. Hintz; Stephanie J. Melles; Henry K. Baker; Jonathan B. Shurin; Jennifer A. Brentrup; Amy L. Downing; Zeynep Ersoy; Carmen Espinosa; Lorenzo Proia; Lidia Vendrell-Puigmitja; Jaclyn M. Franceschini; Derek K. Gray; Mercedes Huynh; Angelina T. Giorgio; Norman Göbeler; Emily Hassal; Andrea Kirkwood; Samuel Hylander; Maria Lundgren; Kacie L. Jonasen; Catherine L. Searle; Silke Langenheder; Gesa A. Weyhenmeyer; Ola Langvall; Hjalmar Laudon; Lovisa Lind; Rick A. Relyea; Matthew S. Schuler; Christopher F. Steiner; Maren Striebel; Pablo Urrutia Cordero

Wiley

Earth and Planetary Sciences; Agricultural and Biological Sciences

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