Sensitivity of four hardwood species to ambient ozone in north central Pennsylvania

M. Simini, J. M. Skelly, Donald Durwood Davis, James E. Savage, A. C. Comrie

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

On ridgetop sites of the Allegheny Plateau, open-top chambers were established in Clear Creek State Park, Jefferson County, Elliott State Park, Clearfield County, and Tiadaghton, Lycoming County. Seedlings of black cherry Prunus serotina, yellow poplar Liriodendron tulipifera, red oak Quercus rubra and red maple Acer rubrum were exposed to ambient air or to charcoal-filtered air containing 95, 60, or 40% of ambient ozone in 1988 and 1989. Black cherry seedlings were also exposed in 1990. Ozone was greatest in 1988 at all sites, and total ozone during the 3-yr study was greatest at the westernmost sites (Clear Creek and Elliott). Foliar stipple injury of black cherry and yellow poplar were correlated positively with ozone within and among sites throughout the study. Premature leaf abscission of both species was significantly greater with higher ozone levels at the Elliott site in 1988 and 1989. Ozone stipple was not observed on red maple and red oak seedlings. Ambient ozone did not significantly decrease height, basal diameter, or leaf surface area of any species. -from Authors

Original languageEnglish (US)
Pages (from-to)1789-1799
Number of pages11
JournalCanadian Journal of Forest Research
Volume22
Issue number11
DOIs
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Forestry
  • Ecology

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