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The Alcon blue: conditions must be just right for the butterfly to fly

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More articles in the focus

Why biodiversity concerns us all

Humans depend on natural diversity. WSL researchers are investigating how it can be protected.

Out and about in the lichen forest

WSL employees are currently combing Swiss forests in search of lichens.

Leaf eater at work

Who plays what role? How much biodiversity does it take for an ecosystem to function? WSL researchers are reconstructing nature in the laboratory.

Habitat map of Switzerland

Switzerland is home to many different habitat types. A digital map, produced at WSL in a pilot project, provides an overview.

Act before it is too late

Silva Semadeni, a member of the Swiss National Council, and biologist Niklaus Zimmermann: we know enough to act now!