Paleolimnological assessment of the impact of logging on small boreal lakes

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However, diatoms have been demonstrated to be sensitive indicators of many kinds of disturbances in the lake or in the catchment’s area, as they are rapidly growing, small-sized algae that respond quickly to changes in water quality (Stoermer & Smol, 2000). Therefore, it is likely that changes would be seen in diatom assemblages, but not necessarily in other biological groups.

Studying lakes by paleolimnological methods gives valuable information of ecological changes. Results may not always be uniform, but by combining ecological information with chemical results it is possible to estimate the magnitude of the changes. Without paleolimnological studies, not much would be known about the long-term changes on the studied boreal lakes induced by logging. Therefore, paleolimnological methods should be included in the research plans having questions about the ecosystem changes of these kinds.

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