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Related Experiment Video

Updated: Oct 20, 2025

Determination of the Absorption, Translocation, and Distribution of Imidacloprid in Wheat
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Physiological Effects of Neonicotinoid Insecticides on Non-Target Aquatic Animals-An Updated Review.

Nemi Malhotra1, Kelvin H-C Chen2, Jong-Chin Huang2

  • 1Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 320314, Taiwan.

International Journal of Molecular Sciences
|September 10, 2021
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Summary

Large-scale neonicotinoid contamination harms aquatic invertebrates and vertebrates. More research is needed on their environmental impacts and regulatory risk valuation to protect aquatic ecosystems.

Keywords:
aquatic animalneonicotinoidnon-target speciestoxicity

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Area of Science:

  • Environmental Toxicology
  • Ecotoxicology
  • Aquatic Ecology

Background:

  • Neonicotinoids are insecticides targeting insect nervous systems.
  • Their widespread aquatic contamination poses risks to non-target species.
  • Limited research exists on neonicotinoid impacts on vertebrates and regulatory risk assessment.

Purpose of the Study:

  • To review the effects of neonicotinoid contamination on aquatic invertebrates and vertebrates.
  • To identify knowledge gaps in understanding neonicotinoid toxicity and ecological impacts.
  • To inform policy for mitigating adverse biological and ecological effects.

Main Methods:

  • Literature review of existing studies on neonicotinoid effects in aquatic environments.
  • Analysis of organismal, behavioral, genetic, and physiological toxicities.
  • Evaluation of factors influencing toxicity, such as water conditions and exposure levels.

Main Results:

  • Neonicotinoids exhibit significant toxicity to a wide range of aquatic invertebrates.
  • Observed effects include organismal, behavioral, genetic, and physiological impacts.
  • Discrepancies exist between laboratory and field-realistic exposure results.

Conclusions:

  • Aquatic invertebrates are crucial for ecosystem balance, necessitating rapid screening strategies.
  • Current field studies are often inadequate, highlighting a need for updated research.
  • Addressing knowledge gaps is vital for effective environmental policies and protecting aquatic ecosystems.