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Widespread variation in salt tolerance within freshwater zooplankton species reduces the predictability of community-level salt tolerance

Arnott, Shelley E. ; Fugère, Vincent ; Symons, Celia C. ; Melles, Stephanie J. ; Beisner, Beatrix E. ; Cañedo-Argüelles, Miguel ; Hébert, Marie Pier ; Brentrup, Jennifer A. ; Downing, Amy L. and Gray, Derek K. , et al. (2023) In Limnology and Oceanography Letters 8(1). p.8-18
Abstract

The salinization of freshwaters is a global threat to aquatic biodiversity. We quantified variation in chloride (Cl−) tolerance of 19 freshwater zooplankton species in four countries to answer three questions: (1) How much variation in Cl− tolerance is present among populations? (2) What factors predict intraspecific variation in Cl− tolerance? (3) Must we account for intraspecific variation to accurately predict community Cl− tolerance? We conducted field mesocosm experiments at 16 sites and compiled acute LC50s from published laboratory studies. We found high variation in LC50s for Cl− tolerance in multiple species, which, in the experiment, was only... (More)

The salinization of freshwaters is a global threat to aquatic biodiversity. We quantified variation in chloride (Cl−) tolerance of 19 freshwater zooplankton species in four countries to answer three questions: (1) How much variation in Cl− tolerance is present among populations? (2) What factors predict intraspecific variation in Cl− tolerance? (3) Must we account for intraspecific variation to accurately predict community Cl− tolerance? We conducted field mesocosm experiments at 16 sites and compiled acute LC50s from published laboratory studies. We found high variation in LC50s for Cl− tolerance in multiple species, which, in the experiment, was only explained by zooplankton community composition. Variation in species-LC50 was high enough that at 45% of lakes, community response was not predictable based on species tolerances measured at other sites. This suggests that water quality guidelines should be based on multiple populations and communities to account for large intraspecific variation in Cl− tolerance.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Limnology and Oceanography Letters
volume
8
issue
1
pages
8 - 18
publisher
John Wiley & Sons Inc.
external identifiers
  • scopus:85136902142
ISSN
2378-2242
DOI
10.1002/lol2.10277
language
English
LU publication?
yes
id
90537da8-35b6-40a7-b799-c85aee21e900
date added to LUP
2022-10-25 15:18:36
date last changed
2023-10-26 14:56:47
@article{90537da8-35b6-40a7-b799-c85aee21e900,
  abstract     = {{<p>The salinization of freshwaters is a global threat to aquatic biodiversity. We quantified variation in chloride (Cl<sup>−</sup>) tolerance of 19 freshwater zooplankton species in four countries to answer three questions: (1) How much variation in Cl<sup>−</sup> tolerance is present among populations? (2) What factors predict intraspecific variation in Cl<sup>−</sup> tolerance? (3) Must we account for intraspecific variation to accurately predict community Cl<sup>−</sup> tolerance? We conducted field mesocosm experiments at 16 sites and compiled acute LC<sub>50</sub>s from published laboratory studies. We found high variation in LC<sub>50</sub>s for Cl<sup>−</sup> tolerance in multiple species, which, in the experiment, was only explained by zooplankton community composition. Variation in species-LC<sub>50</sub> was high enough that at 45% of lakes, community response was not predictable based on species tolerances measured at other sites. This suggests that water quality guidelines should be based on multiple populations and communities to account for large intraspecific variation in Cl<sup>−</sup> tolerance.</p>}},
  author       = {{Arnott, Shelley E. and Fugère, Vincent and Symons, Celia C. and Melles, Stephanie J. and Beisner, Beatrix E. and Cañedo-Argüelles, Miguel and Hébert, Marie Pier and Brentrup, Jennifer A. and Downing, Amy L. and Gray, Derek K. and Greco, Danielle and Hintz, William D. and McClymont, Alexandra and Relyea, Rick A. and Rusak, James A. and Searle, Catherine L. and Astorg, Louis and Baker, Henry K. and Ersoy, Zeynep and Espinosa, Carmen and Franceschini, Jaclyn M. and Giorgio, Angelina T. and Göbeler, Norman and Hassal, Emily and Huynh, Mercedes and Hylander, Samuel and Jonasen, Kacie L. and Kirkwood, Andrea and Langenheder, Silke and Langvall, Ola and Laudon, Hjalmar and Lind, Lovisa and Lundgren, Maria and Moffett, Emma R. and Proia, Lorenzo and Schuler, Matthew S. and Shurin, Jonathan B. and Steiner, Christopher F. and Striebel, Maren and Thibodeau, Simon and Cordero, Pablo Urrutia and Vendrell-Puigmitja, Lidia and Weyhenmeyer, Gesa A. and Derry, Alison M.}},
  issn         = {{2378-2242}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{8--18}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Limnology and Oceanography Letters}},
  title        = {{Widespread variation in salt tolerance within freshwater zooplankton species reduces the predictability of community-level salt tolerance}},
  url          = {{http://dx.doi.org/10.1002/lol2.10277}},
  doi          = {{10.1002/lol2.10277}},
  volume       = {{8}},
  year         = {{2023}},
}