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Tag: windstorm

‘Europe’s forests increasingly under pressure from climate-driven disturbances 

Every summer we see in the news flames burning down trees and houses, firefighters pouring water on mountain sides. In the winter we see massive windstorms blowing off entire forest landscapes. We read about very small insects that kill millions and millions of trees in few years. 

In parallel, we are also observing trees becoming political in Europe. Placed at the core of many policy documents and climatic pledges, forests and their climate mitigation potential are being increasingly recognised as key in the critical achievement of European climate and biodiversity targets, as well as for the many other services they provide to society.  

Media and policy attention underline that we urgently need more knowledge and sound research results on how disturbances develop, how they impact European forests and the so-called “ecosystem services” they provide, and how to respond to the seemingly increasing forest disturbance risks. A team of forest researchers from Wageningen University, the European Forest Institute and numerous research institutes across Europe investigated forest disturbances over the past 70 years and can now provide ground-breaking results in the paper “Significant increase in natural disturbance impacts on European forests since 1950” published in the journal “Global Change Biology”. 

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Forest recovery after large and severe disturbances in Slovenia

By Matteo Cerioni, Gal Fidej, Patrick Vallet, Marcus Lindner & Gesche Schifferdecker

After seeing thousands of hectares of spruce forest die after disturbances all over Europe in the past years, it seems like spruce is our problem child – at least in Central and Eastern Europe. Spruce died in monocultures, but was also more affected than other species by e.g. storm and bark beetle damages in mixed forest stands. This had and still has both significant ecological as well as financial impacts because spruce is an economically important species.

When looking at the future – and the increased forest disturbances we can expect due to climate change – it is crucial to find out how forests recover after being damaged. Looking at different forest areas in Slovenia hit by severe disturbances, a group of researchers from the Department for Forestry and Renewable Forest Resources at University of Ljubljana focused on the following questions: How do mixed forests with varying share of spruce recover after ice storms, bark beetle damage, and windthrow? Which regeneration characteristics are useful to assess the forest recovery? And how does forest management influence both the impact of disturbances as well as the regeneration process?

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