ArticleEnvironmental science and pollution research international2025
Mercury accumulator plants with phytoremediation potential in a region of northwestern Colombia.
Article in Environmental science and pollution research international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Mercury (Hg) is a toxic and nonessential metal for living organisms, and its environmental contamination poses a global concern. Gold mining is one of the primary sectors responsible for mercury emissions, which contributes significantly to ecosystem pollution. In this study, the natural regeneration of vegetation was evaluated at seven mining sites with varying periods of inactivity, and the accumulation of mercury in plant species was analyzed. Random plots were established at each site, where species were identified and selected to determine mercury concentrations in their tissues and calculate bioconcentration (BCF), translocation (TF), and accumulation (AF) factors. A total of 2505 individuals were identified from 46 species and 20 families, with a predominance of herbaceous species. The most widely distributed species, found at more than four study sites, included Homolepis aturensis, Andropogon bicornis, Clidemia capitellata, Tonina fluviatilis, Pityrogramma calomelanos, Cespedesia spathulata, and Fuirena robusta. The total mercury (THg) concentrations varied, ranging from 29.0 to ~ 21,500 ng g
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