Abstract
Reinvestigation of soil profiles, down to 70 cm depth in mineral soil, sampled for measurements in 1927 revealed a general decrease in pH for spruce and hardwood stands with 0.3 to 0.9 units. The pH-changes in the top soil can partly be explained by biological acidification, increasing with stand age. Stand age and species composition have less influence in deeper soil horizons and much of the acidification there is ascribed to acid deposition.
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Hallbäcken, L., and Tam, C.O.: 1986a,Geologiska Föreningens i Stockholm Förhandlingar, In press.
Hallbäcken, L., and Tamm, C.0.:1986b,Scandinavian Journal of Forest Research, In press.
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Tamm, C.O., Hallbäcken, L. Changes in soil ph over a 50-year period under different forest canopies in SW Sweden. Water Air Soil Pollut 31, 337–341 (1986). https://doi.org/10.1007/BF00630849
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DOI: https://doi.org/10.1007/BF00630849