Aided Phytostabilization of Mine Waste

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Abstract

Mining activities are major sources of metallic contamination worldwide. The dissemination and transport of mine tailings and spoils, characterized by a lack of organic matter and nutrients, high acidity and sulfide minerals content, containing potentially toxic metals and metalloids, may cause massive environmental degradation, water and soil contamination, biodiversity loss, and health risks to humans. Aided phytostabilization is being proposed as a suitable strategy to decrease environmental risks by integrating application of adequate amendments with revegetation. In this technique, metals bioavailability can be reduced by the application of a range of soil ameliorants (e.g., biochar, organic residues). A vegetation cover (with tolerant plant species), supported by the amended soil, further improves the soil characteristics boosted by the increased soil organic matter and biological activity. In this context, a range of aided phytostabilization systems are reviewed and discussed toward their effect on soil chemical and biological parameters and plant parameters with the aim to identify challenges and opportunities.

Original languageEnglish
Title of host publicationBio-Geotechnologies for Mine Site Rehabilitation
PublisherElsevier
Pages147-157
Number of pages11
ISBN (Electronic)9780128129876
ISBN (Print)9780128129869
DOIs
Publication statusPublished - 4 Jan 2018

Keywords

  • Abandoned mines
  • Aided phytostabilization
  • Bioavailability
  • Heavy metals
  • Metal-contaminated soil
  • Mine spoils
  • Mine tailings
  • Mine waste
  • Phytoremediation
  • Revegetation
  • Soil amendments

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