期刊
ENVIRONMENTAL POLLUTION
卷 170, 期 -, 页码 202-210出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2012.06.014
关键词
Lichens; Air pollution; HNO3; O-3; Biomonitoring
资金
- Environmental Protection Agency STAR Fellowship
- Dissertation Completion Fellowship from Arizona State University's School of Life Sciences
This paper addresses the effects of gaseous nitric acid (HNO3) and ozone (O-3), two important air pollutants, on six lichen species with different morphological, ecological, and biological characteristics. The treatment chambers were set up in a factorial design consisting of control chambers, chambers fumigated with HNO3, with O-3, and with HNO3 and O-3, together. Each species showed a different sensitivity to the fumigations, reflecting the physiological variation among species. Our results clearly indicate that HNO3 is a strong phytotoxin to many lichens, and that O-3 alone has little effect on the measured parameters. The combined fumigation effects of HNO3 and O-3 were not significantly different from HNO3 alone. Published by Elsevier Ltd.
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