Growth response of four species of Eastern hardwood tree seedlings exposed to ozone, acidic precipitation, and sulfur dioxide. [Prunus serotina, Acer rubrum, Quercus rubra, Liriodendron tulipifera]
- (Pennsylvania State Univ., University Park (United States))
In 1987 a study was conducted in controlled environment chambers to determine the foliar sensitivity of tree seedlings of eight species to ozone and acidic precipitation, and to determine the influence of leaf position on symptom severity. Jensen and Dochinger conducted concurrent similar studies in Continuously Stirred Tank Reactor (CSTR) chambers with ten species of forest trees. Based on the results of these initial studies, four species representing a range in foliar sensitivity to ozone were chosen: black cherry (Prunus serotina Ehrh.), red maple (Acer rubrum L.), northern red oak (Quercus rubra L.) and yellow-poplar (Liriodendron tulipifera L.). These species were also chosen because of their ecological and/or commercial importance in Pennsylvania. Seedlings were exposed in growth chambers simulated acid rain. In addition acute exposures to sulfur dioxide were conducted in a regime based on unpublished monitoring data collected near coal-fired power plants. The objective of this study was to determine if the pollutant treatments influenced the growth and productivity of seedlings of these four species. This information will help researchers and foresters understand the role of air pollution in productivity of eastern forests.
- OSTI ID:
- 7044709
- Journal Information:
- Journal of the Air and Waste Management Association; (United States), Vol. 42:3; ISSN 1047-3289
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
54 ENVIRONMENTAL SCIENCES
POLLUTANTS
TOXICITY
TREES
PLANT GROWTH
ACID RAIN
ACUTE EXPOSURE
AIR POLLUTION
CHERRIES
EXPOSURE CHAMBERS
FOSSIL-FUEL POWER PLANTS
MAPLES
OAKS
OZONE
PENNSYLVANIA
POPLARS
PRODUCTIVITY
SEEDLINGS
SULFUR DIOXIDE
ATMOSPHERIC PRECIPITATIONS
CHALCOGENIDES
DEVELOPED COUNTRIES
FOOD
FRUITS
GROWTH
MAGNOLIOPHYTA
MAGNOLIOPSIDA
NORTH AMERICA
OXIDES
OXYGEN COMPOUNDS
PLANTS
POLLUTION
POWER PLANTS
RAIN
SULFUR COMPOUNDS
SULFUR OXIDES
THERMAL POWER PLANTS
USA
560300* - Chemicals Metabolism & Toxicology
010900 - Coal
Lignite
& Peat- Environmental Aspects
540120 - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)