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New ¶ 17.07.2025 Common species: central to food webs The loss of common species can destabilise entire ecosystems – with far-reaching consequences for humans and nature. 17.07.2025 What makes debris flows dangerous A research team from WSL and ETH Zurich has measured a debris flow with high precision. This helps protective measures to be put in place. 03.07.2025 Early detection of voracious beetles The WSL, together with the FOEN, has developed a nationwide system for early detection of introduced pests. 01.07.2025 Mixed results A new WSL report on particularly valuable habitats shows progress, but also the need for action.