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Department of Geography Geochronology

Trees as witnesses of time

Trees can deposit pollutants in their tissues over decades and centuries, becoming witnesses to environ­mental pollution. In an interview with RSI, Paula Ballikaya and Paolo Cherubini explain what dendro­chrono­logy tells us about the environ­ment and human history.

Trees as witnesses of time

Gli alberi, testimoni del tempo (in Italian)
RSI, Radiotelevisione svizzera, 28.01.2023
Paula Ballikaya speaks from minute 15:10.


Paula Ballikaya, Ivano Brunner, Claudia Cocozza, Daniel Grolimund, Ralf Kaegi, Maria Elvira Murazzi, Marcus Schaub, Leonie C Schönbeck, Brian Sinnet, Paolo Cherubini First evidence of nanoparticle uptake through leaves and roots in beech (Fagus sylvatica L.) and pine (Pinus sylvestris L.), Tree Physiology, 2022, tpac117

Weiterführende Informationen


Paula Ballikaya
PhD Candidate

Geochronology, Department of Geography, and Swiss Federal Research Institute WSL




Prof. Paolo Cherubini

Senior Scientist

Swiss Federal Research Institute WSL


Geochronology, GIUZ

Dendrosciences, WSL