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The Swiss FluxNet initiative combines ecosystem-​scale CO₂ and H₂O vapour (at some sites also CH₄ and N₂O) eddy-​covariance flux measurement sites in Switzerland. It currently encompasses seven long-​term ecosystem sites, six run by our group, covering the major land-​use types in Switzerland:

• forest (mixed deciduous: Lägeren; coniferous: Davos)
• cropland (Oensingen)
• grassland (Chamau, Früebüel, Alp Weissenstein/Crap Alv, Payerne)

Flux measurements in an urban setting (Basel) as well as within a watershed (Rietholzbach) complement the Swiss FluxNet. Further sites with short-​term measurements such as Dischma (winter measurements over grassland; closed down) and Oensingen (grassland; closed down) provided additional information. Besides the Grassland Sciences Group, further research groups carry out flux measurements in Switzerland (see Partners on this page).