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history of the acidification of Lake Gardsjon as deduced from diatoms and Sphagnum leaves in the sediment
Sediment cores from Lake Gårdsjön, Bohuslän province, SW Sweden, were used to study the course of the acidification of the lake. The Holocene pH history of the lake water was reconstructed by diatom analysis. The pH of the lake decreased from 7 to 6 during the course of about 12 500 yr due to natura...
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Published in: | Ecological bulletins 1985, Vol.37 (37), p.47-52 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | Sediment cores from Lake Gårdsjön, Bohuslän province, SW Sweden, were used to study the course of the acidification of the lake. The Holocene pH history of the lake water was reconstructed by diatom analysis. The pH of the lake decreased from 7 to 6 during the course of about 12 500 yr due to natural causes, but during the past few decades the pH rapidly decreased to 4.5. The significance of vegetational changes and acid precipitation with regard to the recent acidification is discussed. |
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ISSN: | 0346-6868 |