Article (Scientific journals)
Spatial and remote sensing monitoring shows the end of the bark beetle outbreak on Belgian and north-eastern France Norway spruce (Picea abies) stands.
Gilles, Arthur; Jonathan, Lisein; Cansell, Juliette et al.
2024In Environmental Monitoring and Assessment, 196 (3), p. 226
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Keywords :
Bark beetle; Forest management; Forest site; Norway spruce; Sentinel-2; Species vulnerability; Time series; Topographic condition; Animals; Plant Bark; Belgium; Remote Sensing Technology; Environmental Monitoring; Norway; France; Disease Outbreaks; Trees; Picea/physiology; Abies; Coleoptera/physiology; Weevils; Management, Monitoring, Policy and Law; Pollution; General Environmental Science; General Medicine
Abstract :
[en] In 2022, Europe emerged from eight of the hottest years on record, leading to significant spruce mortality across Europe. The particularly dry weather conditions of 2018 triggered an outbreak of bark beetles (Ips typographus), causing the loss of thousands of hectares of Norway spruce stands, including in Wallonia and North-eastern France. A methodology for detecting the health status of spruce was developed based on a dense time series of satellite imagery (Sentinel-2). The time series of satellite images allowed the modelling of the spectral response of healthy spruce forests over the seasons: a decrease in photosynthetic activity of the forest canopy causes deviations from this normal seasonal vegetation index trajectory. These anomalies are caused by a bark beetle attack and are detected automatically. The method leads in the production of an annual spruce health map of Wallonia and Grand-Est. The goal of this paper is to assess the damage caused by bark beetle using the resulting spruce health maps. A second objective was to compare the influence of basic variables on the mortality of spruce trees in these two regions. Lasted 6 years (2017-2022), bark beetle has destroyed 12.2% (23,674 ha) of the spruce area in Wallonia and Grand-Est of France. This study area is composed of three bioclimatic areas: Plains, Ardennes and Vosges, which have not been equally affected by bark beetle attacks. The plains were the most affected, with 50% of spruce forests destroyed, followed by the Ardennes, which lost 11.3% of its spruce stands. The Vosges was the least affected bioclimatic area, with 5.6% of spruce stands lost. For the most problematic sites, Norway spruce forestry should no longer be considered.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Gilles, Arthur  ;  Université de Liège - ULiège > Département GxABT > Gestion des ressources forestières
Jonathan, Lisein 
Cansell, Juliette ;  Centre National de la propriété forestière, 54 000, Nancy, France
Latte, Nicolas  ;  Université de Liège - ULiège > Département GxABT > Gestion des ressources forestières
Piedallu, Christian ;  Université de Lorraine, AgroParisTech, INRAE, Silva, Nancy, France
Claessens, Hugues  ;  Université de Liège - ULiège > Département GxABT > Gestion des ressources forestières
 These authors have contributed equally to this work.
Language :
English
Title :
Spatial and remote sensing monitoring shows the end of the bark beetle outbreak on Belgian and north-eastern France Norway spruce (Picea abies) stands.
Publication date :
02 February 2024
Journal title :
Environmental Monitoring and Assessment
ISSN :
0167-6369
eISSN :
1573-2959
Publisher :
Springer Science and Business Media LLC, Netherlands
Volume :
196
Issue :
3
Pages :
226
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 February 2024

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