ArticleEnvironmental science and pollution research international2026
Effects of waterlogging on pollutant availability in iron mining tailings and the tolerance response of Typha domingensis Pers.
Article in Environmental science and pollution research international, 2026. 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
Soil flooding can increase nutrient and pollutant availability to plants; however, the effects in iron mining tailings are still unclear. This work hypothesizes that waterlogging increases the availability of elements present in iron mining tailings, but tolerant aquatic plants can survive under these conditions, showing potential for phytoremediation. This work investigated how flooding affects the availability of essential elements and metal pollutants in iron mining tailings and how this affects the growth, root anatomy, and pollutant content in the aquatic plant Typha domingensis (cattail). Cattail clones were grown in pots containing iron mining tailings under two irrigation conditions: field capacity and waterlogged. The experimental design was completely randomized with 18 replicates and two treatments (n = 36), and the experiment was conducted for 180 days. The pH, electrical conductivity, and total dissolved solids were measured from the iron mining tailings and the plant contents of Al, Cd, Cr, Pb, Fe, and Ca, as well as their growth and root anatomy were evaluated. Waterlogging increased the pH (from 6 to 7), total dissolved solids (from 61.9 to 140.8 ppm), and the electrical conductivity (from 113.2 to 282.1 µs cm
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