SUMFOREST - Eranet SUMFOREST Sustainable forests for the society of the future

Forest density reduction to minimize the vulnerability of Norway spruce and silver fir to extreme drought – a risk assessment – ForRISK

Résumé de soumission

Severe droughts are predicted to increase in intensity and frequency, leading to unprecedented ecological and economic risks for forest health and productivity. There is an urgent need to adapt forest management to the anticipated uncertain future climatic conditions to limit impacts for ecosystems and economy. Such adaptation plans hinge on a deep understanding of the complex mechanisms regulating forest ecosystem responses, including tree mortality related to drought. We will examine the interactive effects of drought and tree population density on the resistance and resilience of tree growth, and the ecophysiological mechanisms contributing to the drought response of Norway spruce (Picea abies) and silver fir (Abies alba), two keystone species for European forestry. The results will serve as input for economic risk assessments of these two tree species under different management and climate-change scenarios. We will implement a novel and interdisciplinary research approach by combining growth and yield analyses, dendrochronology, and ecophysiological mechanistic modeling, converging into an economic riskassessment at different spatial (tree- to regional-level) and temporal (intra-annual to decadal) scales. The study will take advantage of a large dataset from long-term experimental management stands in Baden- Württemberg, Germany, and will be complemented with sites in France and Switzerland – together an outstanding dataset for Central European forests. The outcomes of this powerful framework will contribute to developing efficient management policies for adapting Norway spruce and silver fir forests to increasing drought-related risks. This may be also validated in other forest ecosystems across Europe. The project will be managed by experienced researchers from the NFZ.forestnet, and will connect six research institutions from Zürich (CH), Freiburg (D), and Nancy (F), to a strong scientific network with wellestablished stakeholder contacts in Central Europe.

Coordinateur du projet

Monsieur Matthias Cuntz (Institut national de la Recherche Agronomique)

L'auteur de ce résumé est le coordinateur du projet, qui est responsable du contenu de ce résumé. L'ANR décline par conséquent toute responsabilité quant à son contenu.


INRA Institut national de la Recherche Agronomique
WSL Swiss Federal Insitution for Forest, Snow and Landscape Research
University of Freiburg
ETH Zuerich
Forstliche Versuchs- und Forschungsanstalt Baden- Wuerttemberg
INRA Institut national de la Recherche Agronomique

Aide de l'ANR 199 999 euros
Début et durée du projet scientifique : février 2017 - 36 Mois

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