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RAS BiologyЭкология Ecology

  • ISSN (Print) 0367-0597
  • ISSN (Online) 3034-6142

ASSESSMENT OF COPPER TOXICITY TO SUNFLOWER UNDER MONOMETALLIC SOIL CONTAMINATION CONDITIONS

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PII
S3034614225060023-1
DOI
10.7868/S3034614225060023
Publication type
Article
Status
Published
Authors
F. Tapia-Pizarro
  • Occupation: Department of Landscape Design and Sustainable Ecosystems
  • Affiliation: Peoples Friendship University of Russia (RUDN University)
E.A. Dovletyarova
  • Occupation: Department of Landscape Design and Sustainable Ecosystems
  • Affiliation: Peoples Friendship University of Russia (RUDN University)
D.G. Polyakov
  • Affiliation: Institute of Steppe, Ural Branch of the Russian Academy of Sciences
S.V. Bogdanov
  • Affiliation: Institute of Steppe, Ural Branch of the Russian Academy of Sciences
N.A. Terekhova
  • Occupation: Department of Biology and Soil Science, Faculty of Chemistry and Biology
  • Affiliation: Orenburg State University
T.V. Fedorov
  • Affiliation: Mining Institute, Ural Branch of the Russian Academy of Sciences
M.M. Karpukhin
  • Affiliation: Faculty of Geology, Lomonosov Moscow State University
Y.A. Krutyakov
  • Affiliation:
    Laboratory of Functional Materials for Agriculture, Department of Chemistry, Lomonosov Moscow State University
    National Research Centre "Kurchatov Institute"
C. Yanez
  • Affiliation: Instituto de Biología, Pontificia Universidad Católica de Valparaíso
A. Neaman
  • Occupation: Facultad de Ciencias Agronómicas
  • Affiliation: Universidad de Tarapacá
Volume/ Edition
Volume / Issue number 6
Pages
429-436
Abstract
Ecotoxicological studies on metal toxicity are commonly conducted using artificially contaminated soils, whereas investigations of naturally or industrially contaminated soils remain limited. Industrially contaminated soils often contain elevated concentrations of multiple elements, complicating the interpretation of toxic effects. This underscores the exceptional value of sites with monometallic pollution. One such site is the Kargaly copper mining district in the Orenburg Region of the Russian Federation. This study assessed copper phytotoxicity to sunflower ( L.) grown under field conditions in soils historically contaminated by copper mining during the 18–19 centuries. Total copper content in the studied soils reached up to 10,000 mg/kg, while the content of other elements remained close to the background levels, confirming the monometallic nature of the pollution. The effective concentrations of copper causing 25% and 50% reductions (EC and EC) in sunflower shoot growth were 9.8 and 12 mg/kg, respectively. Corresponding EC and EC values for total soil copper were 706 and 929 mg/kg, respectively.
Keywords
тяжелые металлы экотоксичность биодоступность
Date of publication
15.10.2025
Year of publication
2025
Number of purchasers
0
Views
38

References

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