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Collembola growth in heavy metal-contaminated soils.

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  • معلومة اضافية
    • المصدر:
      Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: London : Nature Publishing Group, copyright 2011-
    • الموضوع:
    • نبذة مختصرة :
      Collembola play a key role in soil ecosystems by decomposing organic matter. Most of them inhabit the upper layers of the soil and are susceptible to contamination present in the pore water. These arthropods serve as model organisms in ecotoxicology for short and long-term exposure. This study aimed to assess the toxicity of three heavy metals (lead [Pb], cadmium [Cd], and copper [Cu]) using the springtail species Folsomia candida as the test organism, with mortality and growth inhibition as the measure of toxicity. We hypothesised that increasing metal concentrations in the soil would correspond to a growth reduction of Collembola. Each heavy metal was tested at a minimum of eight increasing concentrations in six replications. Twenty 10-12-day-old individuals were introduced into each test container filled with contaminated or control soil and incubated for 14 days. The test endpoints included growth inhibition determined by comparing F. candida growth rates in contaminated soil with those in control soil, as well as mortality rates. The EC 50 values (mg/kg) for heavy metals were as follows: Cd = 66.89, Cu = 791.01, Pb = 10075.48. Our findings suggest that growth inhibition is a reliable indicator of Collembola toxicity to heavy metals.
      Competing Interests: Declarations Competing interests The authors declare no competing interests. Ethics declarations Experimental research on animals (Collembola) complied with the relevant institutional, national, and international guidelines and legislation.
      (© 2024. The Author(s).)
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    • الرقم المعرف:
      0 (Soil Pollutants)
      0 (Metals, Heavy)
      0 (Soil)
      789U1901C5 (Copper)
      00BH33GNGH (Cadmium)
    • الموضوع:
      Date Created: 20241114 Date Completed: 20241116 Latest Revision: 20241121
    • الموضوع:
      20241121
    • الرقم المعرف:
      PMC11564797
    • الرقم المعرف:
      10.1038/s41598-024-79766-5
    • الرقم المعرف:
      39543386