Roberts, BA/ Thompson, LK 1980: Lichens as indicators of fluoride emission from a phosphorous plant, Long Harbour, Newfoundland, Canada. - Canadian Journal of Botany58: 2218-2228. [RLL List # 108-74 / Rec.# 15722] Keywords: CANADA/ AIR POLLUTION/ FLUORIDE/ NEWFOUNDLAND/ CLADINA
Abstract: 6 figures. 4 tables. [Effects studied in Cladina rangiferina and Cladina stellaris. Damage was noted in lichens having a fluoride content over 25 ppm dry weight.]
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