Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Regional growth trends of three western conifers as related to ozone. {microfiche}
Author Reams, Gregory ; Olson, R. K.
CORP Author Corvallis Environmental Research Lab., OR. ;Oregon State Univ., Corvallis.
Year Published 1990
Report Number EPA/600/D-89/214
Stock Number PB90-134214
Additional Subjects Ozone ; Softwoods ; Forest trees ; Growth ; Air pollution ; Pine trees ; Injuries ; San Bernardino Mountains ; Concentration(Composition) ; Area ; Graphs(Charts) ; California
Library Call Number Additional Info Location Last
NTIS  PB90-134214 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Significant portions of California mixed conifer forests are exposed to and influenced by the large extent of foliar injury. Foliar ozone injury to Jeffrey and ponderosa pine is apparent as far north as Tahoe National Forest and as far south as the San Bernardino mountains east of Los Angeles. Spatial patterns of ozone foliar injury appear to be correlated with spatial patterns of ozone concentration. Decreased ozone injury in the San Bernardinos over the last decade corresponds with decline ozone concentrations over the same time period. Visible injury is not a consistent indicator of changes in growth rate.