Swiss Federal Institute for Forest, Snow and Landscape Research WSL

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Half-time: one-nil for the larch tortrix

Swiss Federal Institute for Forest, Snow and Landscape Research WSL

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SLF

Swiss Federal Institute for Forest, Snow and Landscape Research WSL

SLF and WSL websites

Knowhow for forestry experts and all others interested in the forest

Swiss National Forest Inventory NFI - a forest information service

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WSL Institute for Snow and Avalanche Research SLF in Davos

waldschutz.wsl.ch

Swiss Forest Protection

natural-hazards.ch

Warnings on natural hazards by Swiss federal authorities

Research for people and the environment in a changing world: The Swiss Federal Institute for Forest Snow and Landscape Research WSL monitors and studies forest, landscape, biodiversity, natural hazards and snow and ice. WSL is a research institute of the Swiss Confederation and part of the ETH Domain. The WSL Institute for Snow and Avalanche Research SLF is part of the WSL since 1989.