Literatur
Michel AK, Prescher A-K, Schwärzel K (eds) (2020) Forest Condition in Europe : The 2020 Assessment ; ICP Forests Technical Report under the UNECE Convention on Long-range Transboundary Air Pollution (Air Convention). Eberswalde: Thünen Institute of Forest Ecosystems, 98 p, ICP Forests Techn Rep 2020, DOI:10.3220/ICPTR1606916913000
Literatur
Krüger I, Sanders TGM, Potocic N, Ukonmaanaho L, Rautio P (2020) Increased evidence of nutrient imbalances in forest trees across Europe. Eberswalde: Thünen Institute of Forest Ecosystems, 6 p, ICP Forests Brief 4/2020, DOI:10.3220/ICP1597824383000
