Kalevansuo EC mast. Photo: Tuomas Laurila

Coordinates: N60°38.81' E24°21.37' Altitude (m.a.s.l.): 123 Ecosystem type: Scots pine forest with some birch and small spruce in the gaps


  • CO₂ flux (EC at 21.5 m, 09/2004–04/2009)

  • CO₂ flux (automatic chamber, 05/2010-11/2012)

  • CO₂ flux (manual chamber, 08/2004–12/2005)

  • CH₄ flux (manual chamber, 08/2004–12/2005)

  • N₂O flux (manual chamber, 08/2004–12/2005)

  • Supporting environmental data: Air temperature + humidity, soil temperature, soil heat flux, soil moisture, PPFD, global radiation, albedo, net radiation


Climate data point (1981-2010): FMISID: 101130, WMO: 02829 Average temperature (°C): 4.6 Annual precipitation (mm): 660 Average snow depth at mid-March (cm): 31 Median period of snow cover: Dec 10 – Apr 11


Vegetation type: Pinus sylvestris, Picea abies L., Betula pubescens Roth. Forest floor: forest and mire dwarf shrubs mixed with some cottongrass and cloudberry. Mean vegetation height (m): 18 Max projected LAI: 1.5 Soil type: Peat; originally herb-rich tall sedge birch-pine fen Stand volume (m³ ha⁻¹): 130 Tree density (ha⁻¹): 1700 Tree age (years): Varying, site has been drained in 1969