1. To establish, on the basis of common methods, a periodic inventory of damage caused to forests, in particular by atmospheric pollution. 2. To establish or extend, in a co-ordinated and harmonious way, the network of observation plots required to draw up that inventory. 3. To conduct intensive, continuous surveillance of forestry ecosystems. 4. To establish or extend, in a co-ordinated and harmonious way, a network of permanent observation plots required for such intensive, continuous surveillance.
Tree stand (growth, defoliation, needle chemistry) Ground vegetation (species composition) Stand throughfall (pH, anions, cations etc.) Soil solution (pH, anions, cations etc.) Litterfall (inorganic chemical composition Stand climate (temperature, humidity, wind speed etc.)
Sevettijärvi (Scots pine), lat. 693459, long. 285353 Pallasjärvi (Norway spruce), lat. 675958, long. 241410 Kivalo (Scots pine), lat. 662147, long. 264401 Kivalo (Norway spruce), lat. 661957, long. 263844 Oulanka (Norway spruce), lat. 661809, long. 293004
Varies according to the type of sample, detailed information available on request
Varies according to the type of sample, detailed information available on request
Varies according to the type of sample, detailed information available on request
All other European countries are involved in the ICP Forests monitoring programme.
ICP Forests programme (FIMCI data centre)