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The dynamics of heavy metals in plant–soil interactions

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  • Guala, Sebastián D.
  • Vega, Flora A.
  • Covelo, Emma F.

Abstract

The effects of soil contamination by heavy metals are studied by a mathematical interaction model, validated by experimental results. The model relates the dynamics of uptake of heavy metals from soil to plants. The model successfully fitted the experimental data and made it possible to predict the threshold values of total mortality. Data are taken from soil with Cd, Cu and Zn treatments for alfalfa, lettuce, radish and Thlaspi caerulescens, measuring the concentrations in the aboveground biomass of plants. At low concentrations, the effects of heavy metals are moderate, and the dynamics seem to be linear. However, increasing concentrations exhibit nonlinear behaviors.

Suggested Citation

  • Guala, Sebastián D. & Vega, Flora A. & Covelo, Emma F., 2010. "The dynamics of heavy metals in plant–soil interactions," Ecological Modelling, Elsevier, vol. 221(8), pages 1148-1152.
    • Handle: RePEc:eee:ecomod:v:221:y:2010:i:8:p:1148-1152
    DOI: 10.1016/j.ecolmodel.2010.01.003
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    1. Guala, Sebastián & Vega, Flora A. & Covelo, Emma F., 2009. "Modification of a soil–vegetation nonlinear interaction model with acid deposition for simplified experimental applicability," Ecological Modelling, Elsevier, vol. 220(18), pages 2137-2141.
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    Cited by:

    1. Zhaolin Du & Dasong Lin & Haifeng Li & Yang Li & Hongan Chen & Weiqiang Dou & Li Qin & Yi An, 2022. "Bibliometric Analysis of the Influencing Factors, Derivation, and Application of Heavy Metal Thresholds in Soil," IJERPH, MDPI, vol. 19(11), pages 1-12, May.

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