Soil solutions and surface water analysis in two contrasted watersheds impacted by acid deposition, Vosges mountains, NE France: interpretation in terms of Al impact and nutrient imbalance
Jp. Boudot et al., Soil solutions and surface water analysis in two contrasted watersheds impacted by acid deposition, Vosges mountains, NE France: interpretation in terms of Al impact and nutrient imbalance, CHEMOSPHERE, 41(9), 2000, pp. 1419-1429
Two acid watersheds in the Vosges mountains (N.E. France), one with a podzo
l, the other with an acid brown soil, were monitored by analysing soil solu
tions and two related springs for total chemistry and Al speciation. High c
oncentrations of inorganic Al did not occur in the podzol upper horizons bu
t were evident in the corresponding spring, together with low concentration
s of Ca. In the acid brown soil area, high concentrations of inorganic Al o
ccurred in the leaching water draining the upper soil horizons, but not in
the undrained water nor in the spring, the latter exhibiting rather high Ca
content. In both watersheds, needle yellowing in conifers could be observe
d and might be ascribed to Mg deficiency rather than to Al toxicity. (C) 20
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