Seaward, MRD/ Bylinska, EA/ Goyal, R 1981: Heavy metal content of Umbilicaria species from the Sudety region of SW Poland. - Oikos36: 107-113. [RLL List # 109-93 / Rec.# 16843] Keywords: POLAND/ UMBILICARIA/ HEAVY METALS/ AIR POLLUTION
Abstract: 5 tables. 1 figure. ["In general, the levels in the lichen thalli are indicative of background rather than enhanced concentrations in the substrata. At one site, however, the measurements reflect local atmospheric contamination." Seven Umbilicaria species were studied at 15 sites.]