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The potential impact of acidic fluorine type of pollutants on the dynamics of European beech (Fagus sylvatica L.) stem bark and crown disease was investigated between 2004 (2007) and 2014 in three mature beech stands in Central Europe. The localities were 1.5 km, 7 km and 18 km from the pollution source: an aluminium plant. A decrease of necrotic disease with the increasing distance from the pollution...