Nitrogen fixation rate and chlorophyll content of the lichen Peltigera canina exposed to sulfur dioxide

Journal Article · Thu Jan 01 00:00:00 EST 1981 · Am. J. Bot.; (United States)

DOI:https://doi.org/10.2307/2442795· OSTI ID:5435310

Henriksson, E; Pearson, L C

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. The chlorophyll content decreased as the level of sulfur dioxide increased.

• Research Organization: Uppsala Univ., Sweden
• OSTI ID: 5435310
• Journal Information: Am. J. Bot.; (United States), Vol. 68:5
• Country of Publication: United States
• Language: English

Related Subjects

63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
BIOLOGICAL INDICATORS
LICHENS
SENSITIVITY
SULFUR DIOXIDE
METABOLISM
TOXICITY
CHLOROPHYLL
DOSE-RESPONSE RELATIONSHIPS
NITROGEN FIXATION
ALGAE
CARBOXYLIC ACIDS
CHALCOGENIDES
FUNGI
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYTOCHROMES
PIGMENTS
PLANTS
POLLUTION
PORPHYRINS
SULFUR COMPOUNDS
SULFUR OXIDES
560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)