Takala, K/ Kauranen, P/ Olkkonen, H 1978: Fluorine content of two lichen species in the vicinity of a fertilizer factory. - Annales Botanici Fennici15: 158-166. [RLL List # 102-76 / Rec.# 18202] Keywords: FLUORINE/ AIR POLLUTION/ FINLAND/ HYPOGYMNIA/ PARMELIA/ FERTILIZER
Abstract: 4 tables. 3 figures. [Fluorine content studied in Hypogymnia physodes and Parmelia sulcata near Siilinjarvi, east central Finland. Up to 940 ppm of fluorine were detected in the lichens, more than 100 times the background levels. Lichen damage was influenced by several factors.]
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