Elementos traza y nutrientes en suelos y herbáceas de parques y zonas verdes de Sevilla.

TL;DRAbstract

The use of urban soils, unlike the traditional agricultural use of soils in rural areas, is in most cases of a recreational and ornamental character. For that reason it is often forgotten or disregarded that urban soils have a direct influence on public health. Such urban soils receive significant inputs of pollutants
\nfrom human activities, and they can enter organisms as airborne dust, by direct contact or even by ingestion.
\nIt is thus necessary to know the quality of urban soils, especially concerning pollutant concentration and availability.
\nUrban soils of Sevilla were sampled in 154 sites, 85 of them covered by grasses. Soils were characterised and their contents in potentially toxic metals (PTM) were measured, both by aqua regia digestion
\n(pseudo totals) and by extraction with 0.05 M EDTA (available fraction). The concentrations of PTM in the grasses were also determined.
\nMost soils were found to be neutral, rich in lime, low organic matter contents a

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