Individual tree basal area increment and total height equations for Appalachian mixed hardwoods after thinning.

W. C. Harrison, T. E. Burk, D. E. Beck

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

Growth response of various species to thinning in even-aged stands of Appalachian mixed hardwoods was predicted with species-specific regression equations. Periodic annual increment over a five-year period was expressed as a linear function of original tree basal area divided by breast height age and a thinning or competition index based on standard basal area. For most species, a combination of stand basal area before and after thinning served as the thinning index; for the five oak species studied, the index was simply stand basal area after thinning. Nonlinear regression equations were formulated to express total tree height as a function of dbh and average height of dominant and codominant white oak. The equations for tree basal area increment and total height may be applied to predict growth after thinning in Appalachian mixed hardwood stands.-Authors

Original languageEnglish (US)
Pages (from-to)99-104
Number of pages6
JournalSouthern Journal of Applied Forestry
Volume10
Issue number2
StatePublished - Jan 1 1986

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