Skip to Main Content
Effect of diameter limits and stand structure on relative density indices: a case studyAuthor(s): Robert O. Curtis
Source: Western Journal of Applied Forestry. 25(4): 169-175
Publication Series: Scientific Journal (JRNL)
Station: Pacific Northwest Research Station
PDF: View PDF (2.29 MB)
DescriptionAn understory of shade-tolerant species often develops in stands in the Douglas-fir region of western Washington and Oregon and can have a disproportionate effect on relative density indices, such as Reineke stand density index and Curtis relative density. The effects of such understories and of other departures from The even-aged condition are illustrated with selected stand data. In general, the summation methods are less influenced by departures from the even-aged condition than are the conventional calculations based on quadratic mean diameter. Recommendations are made for consistent definition of the lower diameter limit of trees to be included in such computations
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- 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.
CitationCurtis, Robert O. 2010. Effect of diameter limits and stand structure on relative density indices: a case study. Western Journal of Applied Forestry. 25(4): 169-175.
Keywordsdensity control, relative density, stand density index, stocking control, Reineke stand density index, Curtis relative density
- Stand density index in uneven-aged ponderosa pine stands
- Thinning ponderosa pine (Pinus ponderosa) stands reduces mortality while maintaining stand productivity
- Reineke's Stand Density Index: Where are we and where do we go from here?
XML: View XML