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Long-distance transported sulphur as a limiting factor for the abundance of Lecanora conizaeoides in montane spruce forestsMarkus Hauck; Volker Hesse; Rüdiger Jung; Tobias Zöller; Michael Runge · 2001
Correlations between the Mn/Ca ratio in stemflow and epiphytic lichen abundance in a dieback-affected spruce forest of the Harz Mountains, GermanyMarkus Hauck; Volker Hesse; Michael Runge · 2002