수목착생지의류를 이용한 대기환경의 오염영향을 파악하기 위하여 대기오염이 예상되는 삼천포 화력발전소를 중심으로 지의류의 분포와 IAP를 조사하였다. 조사지에서 생육하고 있는 지의류의 종 수는 27종이었다. 화력발전소에서 4Km 이내 지역에서는 4종~6종이 분포하였으며, 피도도 낮았다. 화력발전소에서 멀어질수록 종 수 및 피도가 증가하였다. 대기오염에 민감한 Parmelia tinctorum은 발전소를 중심으로 4Km 이내에서는 출현되지 않아 대기오염에 미감한 종으로 판단되었다. Lepraria sp., Parmelia, austrosinensis, Dirinaria applanata 3종은 빈도 13.40%로 전 조사지에서 출현되어 대기오염에 내성이 있는 것으로 조사되었다. IAP는 사등동앞산, 석산개발, 발전소 등에서 대조지역인 연화산 지역보다 4배 이상 낮게 나타나 대기환경이 좋지 못한 것으로 조사되었으며, 발전소에서 멀어질수록 IAP가 높게 나타났다.
The purpose of this study was to investigate the distribution of epiphytic lichens that growing near the thermoelectric power plant to obtain a basic data for air environmental evaluation around the power plant. The study areas were all 12 places including ten sites near the power plant and two sites for control. All the number of lichens appeared in this study areas were 27 species. It showed to 4~6 species within 4~6 km from the power plant, and coverage also was low. As receding from the power plant, both the number of species and coverage increased. Parmelia tintorum sensitive to air pollution did not appear within 4Km from the power plant, and it was regarded as the sensitive kind to air pollution. Lepraria sp.(13.40%), Parmelia austronsinensis(13.40%), and Dirinaria applanaita (13.40%) were distributed in all sites, and it could infer that they had tolerance to air pollution. The IAP ( Index of Atmosphere Purity) values in Sadungdong Apsan, Seksangeabal and the Power plant were four times as low as those in Mt. Yeonwha, and it could infer that the air in those areas was not good. It was high IAP value as being distant from the power plant.
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