The acidification process then solubilizes soil matrices in which potentially toxic metals are held (Nordmyr et al., 2006). The lower pH
also releases adsorbed toxic metals and deoxygenation can exert a
range of negative impacts on local environments (Michael, 2013).
These impacts can be severe in soils where the pH has dropped below
a critical value of less than 4 (Reid and Butcher, 2011), or where the
acidity produced has exceeded the soil's capacity to neutralize it
(Fitzpatrick et al., 2010), and where solubilized toxic metals are present
in elevated concentrations
The acidification process then solubilizes soil matrices in which potentially toxic metals are held (Nordmyr et al., 2006). The lower pHalso releases adsorbed toxic metals and deoxygenation can exert arange of negative impacts on local environments (Michael, 2013).These impacts can be severe in soils where the pH has dropped belowa critical value of less than 4 (Reid and Butcher, 2011), or where theacidity produced has exceeded the soil's capacity to neutralize it(Fitzpatrick et al., 2010), and where solubilized toxic metals are presentin elevated concentrations
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