The Sanasilva Inventory has been carried out in its current form since 1985. Its aim is to monitor the health of the Swiss forest using crown and tree parameters as indicators of forest condition. The name of the inventory has changed subsequently with the change in assessment methods.

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The mission of LWF is to improve our understanding of how natural and anthropogenic stresses affect forests in the long term, and which risks for humans are involved. Consequently, we need to gain a more profound knowledge of the cause-effect relationships in the forest ecosystem and the underlying processes.

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Scientists investigate the reactions of fine roots of spruce and poplar to enhanced heavy metal contents in the soil. They measure growth and architecture of newly derived fine roots of these trees and investigate mycorrhizas of birches in order to localise and quantify the heavy metals on a subcellular level.

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