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Thresholds of Metal and Metalloid Toxicity In Field-Collected Anthropogenically Contaminated Soils: A Review

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Artículo de revista - Thresholds of Metal and Metalloid Toxicity In Field-Collected Anthropogenically Contaminated Soils A Review (546.8Kb)
Date
2021-07-01
Author
Santa Cruz, Javier
Peñaloza, Patricia
Korneykova, Maria V.
Neaman, Alexander
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Abstract
Ecotoxicological studies of soil metal toxicity conventionally rely on the use of uncontaminated soils gradually enriched with metals in the form of soluble salts. Although this method is very useful in many ways, it is continually complicated by the difficulty of extrapolating laboratory results to actual field-collected soils exposed to decades of contamination. Although many studies emphasize the importance of using field-contaminated soils for toxicity bioassays, the number of studies actually conducted based on this premise is relatively small. This review provides an in-depth recompilation of data on metal toxicity thresholds in field-contaminated soils. We have summarized the EC10, EC25, and EC50 values for metals, i.e., values of metal concentrations that reduce the response of specific organisms by 10%, 25%, and 50% of the value in uncontaminated soils. In our summary, most studies show that total metal content can predict organismal responses as well as bioavailable fractions. These results are consistent with the intensity/capacity/quantity concept proposed for plant nutrient uptake. In addition, microorganisms are thought to be more sensitive to metals than plants and invertebrates. However, our analysis shows that there is no statistically significant difference between the sensitivity of microorganisms and other organisms (plants and invertebrates) to any metal or metal pool. We expect that this information will be useful for environmental assessment and soil quality decisions. Finally, we encourage future studies to analyze dose-effect relationships in native field-collected soils with varying degrees of metal contamination from long-term anthropogenic pollution.
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https://hdl.handle.net/20.500.12536/1443
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UVM - Universidad Viña del Mar
Enlaces de Interés
  • Aula Virtual
  • Calendario Académico
  • Certificados
  • Contacto
  • Consulta alumno derecho
  • COVID-19
  • CREA · Biblioteca
  • Ética en Línea
  • Portal de Denuncias
  • Repositorio
  • Trabaja con Nosotros
  • UVM en Medios
Fono Admisión

800 37 4100

FONO ALUMNOS (CSE)

32 2462510 (Recreo)

32 2462637 (Miraflores)

32 2462693 (Rodelillo)

Universidad Viña del Mar

Agua Santa 7055, Viña del Mar

  • Políticas de Privacidad
Nuestras Redes Sociales
Soy UVM
  • App Store
  • Google Play

Agua Santa 7055, sector Rodelillo, Viña del Mar.

Implementado por
OpenGeek