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Acid deposition in the German Solling area: effects on soil solution chemistry and Al mobilization

Title data

Matzner, Egbert ; Prenzel, Jürgen:
Acid deposition in the German Solling area: effects on soil solution chemistry and Al mobilization.
In: Water, Air, & Soil Pollution. Vol. 61 (1992) Issue 3-4 . - pp. 221-234.
ISSN 0049-6979
DOI: https://doi.org/10.1007/BF00482606

Abstract in another language

The A1 chemistry of soil solutions was evaluated in twoforest ecosystems in the North-German Solling area which isheavily impacted by acidic deposition. The principal H +buffering process in these soils is the release of A1 ions.Within the stand of Norway spruce, A1 concentrationsincrease with soil depth up to 370 umol/L. Ca/Al ratios ofthe soil solution decrease with depth and suggest high riskof A1 toxicity to tree roots and potential antagonisticeffects for ion uptake. The A1 concentrations of the soilsolution in the upper horizons do not appear to be inequilibrium with mineral phases of Gibbsite, Alunite andJurbanite as suggested by the depth gradients and temporalpatterns in ion activity products. Depletion of extractablesoil A1 in the upper horizons is occuring. The release ofA1 to the soil solution under these conditions seems to berestricted by kinetic constraints.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7089
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 07 Aug 2015 07:00
Last Modified: 07 Aug 2015 07:00
URI: https://eref.uni-bayreuth.de/id/eprint/17832