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Lichens, tree growth, and foliar symptoms of air pollution: are the stories consistent. [Acer saccharum Fraxinus spp. ; Liriodendron tulipifera; Quercus alba; Quercus rubra]

Journal Article · · J. Environ. Qual.; (United States)
OSTI ID:6578804
;

Lichen communities, tree growth, and foliar symptoms of Acer saccharum Fraxinus spp., Liriodendron tulipifera, Quercus alba, and the Quercus rubra group were studied in relation to air pollutants in southern Indiana and Illinois. Both study areas receive regional pollutants, but only one is close to a large coal-fired utility, which results in a high dose of SO/sub 2/ and its reaction products. Lichen communities differed significantly between the two areas; species richness and total cover were lowest in the near-utility area, and species compositional differences suggested that air quality was responsible. Few differences were noted in foliar symptoms between areas; when symptom levels differed, they were generally highest in the remote area. Ozone-induced stippling was found in both areas on leaves of Fraxinus spp. and Liriodendron. Although ring widths indicated depressed tree growth in the near-utility area during years of high emissions, periodic basal area increments and tree vigor did not generally differ between areas, and were generally not related to foliar symptoms other than stippling. Ozone-induced stippling on Liriodendron was negatively correlated with basal area increments.

Research Organization:
Oregon State Univ., Corvallis (USA)
OSTI ID:
6578804
Journal Information:
J. Environ. Qual.; (United States), Journal Name: J. Environ. Qual.; (United States) Vol. 17:3; ISSN JEVQA
Country of Publication:
United States
Language:
English

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Related Subjects

500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300* -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
ALGAE
BIOLOGICAL INDICATORS
CHALCOGENIDES
FOSSIL-FUEL POWER PLANTS
FUNGI
GROWTH
INJURIES
LEAVES
LICHENS
OXIDES
OXYGEN COMPOUNDS
OZONE
PLANT GROWTH
PLANTS
POINT POLLUTANT SOURCES
POLLUTION
POLLUTION SOURCES
POPULATION DENSITY
POWER PLANTS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
THERMAL POWER PLANTS
TOXICITY
TREES