![]() ![]() For example, nine times more endangered insect species were found in the burnt area than in the neighboring forest, such as wild bees, grasshoppers and important deadwood colonizers like longhorn beetles.Īmong the rare plants, the most striking is the leafy goosefoot ( Blitum virgatum), which is very rare in the Valais. Even 10 years after the extreme event, the species diversity was still significantly greater than in the neighboring mixed conifer forest. ![]() ![]() Pioneer species such as poplar, willow and birch spread rapidly. Whereas numerous herbaceous plants grew at first, grasses began to dominate in the lower altitudes. In the following 20 years, we researched how plant, fungal and arthropod species recolonized the forest fire area. Already shortly after the fire, an impressive biodiversity unfolded. On August 13, 2003, more than 300 hectares of forest with about 200,000 trees burned down near Leuk, causing property damage totaling 7.6 million Swiss francs. ![]()
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