Potential of thinning to increase forest resilience and resistance to drought, pest, windstorm and fire: A meta-analysis
CHAGNON, Catherine
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
DUMONT, Sébastien
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
MORIN-BERNARD, Alexandre
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
See more >
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
CHAGNON, Catherine
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
DUMONT, Sébastien
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
MORIN-BERNARD, Alexandre
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
ACHIM, Alexis
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
MOREAU, Guillaume
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
< Reduce
Centre d’étude de la forêt, Département des sciences du bois et de la forêt, Faculté de foresterie, de géographie et de géomatique
Language
en
Article de revue
This item was published in
Forest Ecology and Management. 2025-05-16, vol. 590, p. 122788
Elsevier
English Abstract
As the pressure on forest ecosystems increases with the occurrence of more severe and frequent natural disturbances, the need for silvicultural treatments to mitigate multiple risks is becoming increasingly apparent. ...Read more >
As the pressure on forest ecosystems increases with the occurrence of more severe and frequent natural disturbances, the need for silvicultural treatments to mitigate multiple risks is becoming increasingly apparent. Thinning has been identified as a means of managing stands to enhance resilience and resistance to disturbances. However, the underlying mechanisms vary depending on the disturbance types and tree species and there is a lack of empirical evidence that thinning can effectively mitigate these risks at a broad scale. We conducted a meta-analysis of 50 studies quantifying the effects of thinning treatments on the resilience and resistance of forest stands to four categories of natural disturbances: drought, insects and pathogens, wind, and fire. Meta-analyses were conducted to examine the influence of various moderators, namely the response type (growth, survival, damage), thinning intensity, thinning type, time since the first treatment, stand age and pest type (for insects and pathogens). We found a positive broad-scale effect of thinning on forest resilience and resistance, while the disturbance-specific effect was positive for reducing the impact of drought, pests, and in some cases fire, but not significant for windstorms. Although responses varied among disturbance types, and in some cases response type, thinning type, and time since treatment, a key finding of this study is that no statistically significant negative effect of thinning has been detected with respect to our resilience and resistance indicators. Although thinning should not be considered as a tool that will singlehandedly increase the resilience of forests, our results suggest that for temperate and boreal ecosystems of North America and Europe, thinning can be expected to increase the resilience and resistance of forests to multiple stressors, in a wide range of sites and stand characteristics. Yet, empirical data from Asia, southern hemisphere and tropical forests are needed to enable global-scale conclusions. Moreover, potential detrimental effects of thinning on forest ecology should be carefully assessed before prioritizing thinning as a means of increasing forest resilience and resistance.Read less <
English Keywords
Forest resilience and resistance
Global change
Adaptive silviculture
Thinning
Forest management
Partial harvesting
Multi-risk
Origin
Hal imported