The change of sediment composition durin
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Jukka Matinvesi
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Article
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1996
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Springer
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English
β 667 KB
Total oxygen deficit occurred regularly during stagnation periods in the deepest part of Lake Kallavesi in the period 1973-86 . The sediment was black and anaerobic during the first sampling in 1987 . After beginning of artificial lake oxygenation and efficient purification of waste waters of a pape