Skip to Main Content
Foliar nitrogen content and tree growth after prescribed fire in ponderosa pine.Author(s): J.D. Landsberg; P.H. Cochran; M.M. Finck; R.E. Martin
Source: Res. Note PNW-RN-412. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 16 p
Publication Series: Research Note (RN)
Station: Pacific Northwest Research Station
Download Publication (720 KB)
DescriptionThis initial study of prescribed burning in ponderosa pine (Pinus ponderosa Doug. ex Laws.) stands in central Oregon showed that all periodic annual growth increments were reduced for trees alive four growing seasons later. Height growth was reduced 8 percent in areas burned by fires with moderate fuel consumption and 18 percent in areas with high fuel consumption. Basal area growth was reduced 16 percent in the moderate fuel consumption areas and 28 percent in the high fuel consumption areas; volume growth declined 23 percent at both levels of fuel consumption.
Foliar nitrogen (N) concentration was not affected by the prescribed fires; however, total foliar N content was reduced immediately after burning, and it remained depressed four growing seasons later after the burned areas had recovered from crown scorch. Foliar N content was significantly correlated with the observed reductions in periodic annual increments. Prescribed fire needs additional evaluation for a longer period and in additional ponderosa pine communities to determine long-term effects.
- Visit PNW's Publication Request Page to request a hard copy of this publication.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationLandsberg, J.D.; Cochran, P.H.; Finck, M.M.; Martin, R.E. 1984. Foliar nitrogen content and tree growth after prescribed fire in ponderosa pine. Res. Note PNW-RN-412. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 16 p
Keywordsprescribed burning, fire effects, foliar analysis, increment (height), increment (basal area), increment (volume), ponderosa pine, Pinus ponderosa
- Effects of low intensity prescribed fires on ponderosa pine forests in wilderness areas of Zion National Park, Utah
- A ponderosa pine-lodgepole pine spacing study in central Oregon: results after 20 years.
- Management of ponderosa pine in the Southwest: As developed by research and experimental practice
XML: View XML