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Phenological synchrony between soil microbes, nutrient availability, tree's leaf-out and a generalist moth in temperate forests under warming conditions

The synchronization between supply and demand of resources in temperate forests is vital to ensure the optimal and sustainable functioning of these ecosystems. This project aims to understand how global warming is disrupting interactions between above- and below-ground organisms.

Acclimation and environmental memory

Which are the main mechanisms conveying adaptation on the organ and whole tree level, how fast does acclimation occur and how long is an acclimation potential sustained?

Past genetic diversity of Swiss mountain forests

Future climate change will have drastic effects on mountain forests. We will analyse ancient DNA preserved in natural archives to reconstruct the impact of past rapid climate change on the neutral and adaptive genetic diversity of trees.

Ash Dieback in Switzerland

In Europe, the Ash Dieback disease caused by Hymenoscyphus fraxineus has led to high mortality rates of common ash. We analyze how radial growth and wood anatomical parameters influence the disease progression in trees.

Adaptation of trees to extreme climate events

Extreme climate events are expected to become more frequent with climate warming. We test genetic differentiation in resistance to late frost and drought in silver fir populations planted in the 1980s in Swizterland and abroad.