Concentrations of ozone in National Park Service Class I Areas and effects on sensitive biological resources
Stolte KW, Flores MI, Mangis DR, Joseph DB. 1991. Concentrations of ozone in National Park Service Class I Areas and effects on sensitive biological resources. In Air & Waste Management Association: 84th Annual Meeting & Exhibition of the Air & Waste Management Association. Vancouver, BC. June 16-21, 1991. National Park Service. Lakewood, CO
This paper examines several statistics to describe and compare ozone levels in several class I national parks and examines the relationship between ozone exposure and observed ozone injury on ponderosa (Pinus ponderosa Laws.) and Jeffrey (Pinus jeffreyi Grev. and Balf.) pines in the California Sierra Nevada