European Beaver (Castor fiber)
The largest rodent in Europe, successfully reintroduced into the Semois. An ecosystem engineer, it creates beneficial wetlands. Main habitat: wooded banks, riverine wetlands (IUCN status: LC).
Explore the Natural Richness of the Semois
Welcome to the interactive encyclopedia of the Semois valley. Nestled in the heart of the Belgian Ardennes, this region is home to exceptional biodiversity. Discover typical species, preserved habitats, and the efforts made to protect this unique natural heritage.
Semois Fauna
From the deep forests to the rushing waters of the river, the Semois is a refuge for many animal species. Filter by category to discover mammals, birds, fish, and other inhabitants of the valley.
Semois Flora
The flora of the valley is equally diverse, with its deciduous and coniferous forests, flowery meadows, and wetland plants. Explore the region's botanical treasures.
Key Ecosystems
The biodiversity of the Semois rests on a network of interconnected habitats. Understanding these ecosystems means understanding the life that depends on them. Explore the three pillars of local nature.
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The Semois River
The vital artery of the valley, its clear and well-oxygenated waters are home to demanding fish like grayling and trout. Its banks are the territory of the kingfisher and the otter.
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The Ardennes Forests
Vast stretches of beech, oak, and spruce, the forests provide shelter and food for big game. It is the kingdom of the stag, the wild boar, and nocturnal birds of prey like the eagle owl.
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Wet Meadows
Often located in the meanders of the river, these meadows are full of wildflowers, insects, and amphibians. They are crucial for the black stork which finds its food there.
Protecting this Heritage
The preservation of the Semois' biodiversity is a major challenge. Many areas are classified as "Natura 2000" to protect the most fragile habitats and species.
Species Status
This chart illustrates the distribution of species in the region according to their conservation status. While many species are common, a significant portion is considered vulnerable or is subject to strict protection measures, highlighting the importance of conservation efforts.
- Common: Well-established and non-threatened species.
- Vulnerable: Species facing a high risk of extinction in the wild.
- Protected: Species benefiting from legal protection measures due to their rarity or ecological importance.