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Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd. |
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| Authors: | TOMAS HALLINGBÄ CK,OLLE KELLNER |
| Affiliation: | Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, P.O. Box 7072, S-750 07 Uppsala, Sweden |
| Abstract: | |
| Keywords: | Peltigera aphthosa lichen nitrogen fixation rate acidification air pollution |