Factors Controlling the Seasonal Variati
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Bengt BostrΓΆm
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Article
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1981
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John Wiley and Sons
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English
β 923 KB
## Abstract The seasonal variation of the nitrate concentration in the mesotrophic Lake Erken is markedly regular and shows some important differences compared with that of phosphate. Nitrification occurs mainly at the sediment surface. Nitrate accumulates when the nitrificationβdenitrification seq