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NITROGEN FIXATION RATE AND CHLOROPHYLL CONTENT OF THE LICHEN PELTIGERA CANINA EXPOSED TO SULFUR DIOXIDE
Author(s) -
Henriksson Elisabet,
Pearson L. C.
Publication year - 1981
Publication title -
american journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.218
H-Index - 151
eISSN - 1537-2197
pISSN - 0002-9122
DOI - 10.1002/j.1537-2197.1981.tb12400.x
Subject(s) - biology , sulfur , sulfur dioxide , nitrogen , lichen , chlorophyll , nitrogen fixation , botany , chlorophyll a , environmental chemistry , ecology , chemistry , organic chemistry
In general, the rate of nitrogen fixation decreased when the lichen Peltigera canina (L.) Willd. was exposed to sulfur dioxide gas at levels from 0.1 to 500 ppm; at 30 ppm, however, nitrogen fixation was stimulated. Chlorophyll content decreased as level of sulfur dioxide increased.