The ef­fects of peatland drainage on the mercury contents of fish

Lodenius, Martti

In English

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Martti Lodenius

Ojitusten vaikutuksista kalojen elohopeapitoisuuksiin

Lodenius M. Ojitusten vaikutuksista kalojen elohopeapitoisuuksiin.

English title: The effects of peatland drainage on the mercury contents of fish

Tiivistelmä

The reasons for elevated mercury contents in lakes without any known mercury pollution are discussed and preliminary results about the effects of peatland drainage are presented. Measures increasing the humus content or the acidity of the lakes are assumed in increased the mercury contents of fish. Such measures are water regulation, ditching and drainage operations.

Tekijä