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Acidification-Induced Chemical Changes of Forest Soils during Recent Decades: A Review
S. Ingvar Nilsson and Germund Tyler
No. 44, Effects of Acid Deposition and Tropospheric Ozone on Forest Ecosystems in Sweden (1995), pp. 54-64
Published by: Oikos Editorial Office
Stable URL: http://www.jstor.org/stable/20113149
Page Count: 11
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Reports on acidification-induced changes in chemical properties of forest soils in northern Europe, particularly Sweden, are reviewed and evaluated. Most studies have been performed retrospectively by comparing either old data or old preserved samples with recently sampled soils. Almost without exception, decreases in soil pH have been reported for the last 2-5 decades from all horizons of podsols and related soil types. The pH decreases have been accompanied by decreases in exchangeable base cations and increases in exchangeable Al pools. The relative importance of acid deposition and other H⁺ sources to the soil chemical changes is discussed.
Ecological Bulletins © 1995 Oikos Editorial Office