Abstract
Micro-constituent ionic impulsion, a parameter related to metal content and introduced to explain plant uptake, is now used to propose a plant global pollution index for an industrialized area. Plant toxic levels and previous analytical results (Pb, Co, Ni, Cr, Cd, Cu, Fe, and Zn) for five wild plant species and whole herbage from 14 sampling points with rural, industrial or urban character within Bilbao (Spain) zone, are used to calculate this index. On similar bases a soil pollution index is also suggested, excluding Fe as it is a natural and very variable macrocomponent. Comparisons between these two indexes are included; differences are discussed through leaf uptake or strong retention of metals by soils.
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Romero, F., Elejalde, C. & Azpiazu, M.N. Metal plant and soil pollution indexes. Water Air Soil Pollut 34, 347–352 (1987). https://doi.org/10.1007/BF00282735
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DOI: https://doi.org/10.1007/BF00282735