Saturday, February 8, 2025
HomeTechnologyThe map shows the areas with the poorest tree health in France.

The map shows the areas with the poorest tree health in France.

With every storm in France, we witness with our own eyes or through the media, hundreds of trees uprooted and broken by the wind. But there’s another type of storm, a “silent storm” as IGN calls it, that slowly destroys forests every year.

Forest area increases every year but development VolumeVolume According to the National Institute of Geographic and Forestry Information (IGN), the total number of trees is decreasing. Conditions are actually more and more unfavorable for trees: lack of water, fire, high temperature, blight, insects, BacteriaBacteria… many phenomena that affect the growth of trees and increase their mortality. This death rate has doubled in 10 years. Tree dieback is measured based on several criteria, such as the number of dead branches and the number of branches reduced.

The Grand East region has been the worst affected.

Tree health is clearly deteriorating in three-quarters of France, particularly in the east, the region most affected by trees. Global WarmingGlobal Warming. More than 15% of trees were damaged in the Grand Est region and the Mediterranean coast. The southwest has also been hard hit, with between 10 and 15 percent of trees damaged, but less along the Atlantic coast and the Pyrenees massif. In Ile-de-France and the central regions, an average of 5 to 10% of trees are damaged. The northwestern regions in France are the least affected, as they benefit from cooler and more humid weather.

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