Lichen as biological indicator of sulphur dioxide pollutant
1999
Rantung, J.L. (Universitas Sam Ratulangi, Manado (Indonesia). Fakultas Pertanian)
The purposes of this study were to identify the lichen found in the exposured and unexposured areas, to study the diversity index and sulphur content of lichen, and to study the morphology of lichen in both areas. This study was observational or expostfacto in nature using cross sectional design. The results showed that the morphology of lichen found in exposured area (Randu Agung) differed from that in unexposured area; there was no lichen found in exposured area of Tlogopatut and Romo. Two species (Graphia sp. and Parmelia sp.) were found in exposured area of Randu Agung, four species (Graphia sp., Parmelia sp., Xanthoria sp., and Physera sp.) existed in unexposured area
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