baLarger | R Documentation |
Basal area of larger trees - Wykoff et al. 1982
baLarger(ba, focal_size, size)
ba |
vector of basal area of competitor trees |
focal_size |
size of subject tree |
size |
vector of sizes of competitor trees |
Returns the sum of basal areas of all trees larger than the focal
tree. In Wykoff et al. (1982), size
is basal area, though other
measures of size could be used such as tree height (e.g. Flake et al. 2022).
value of competition index for focal tree
Wykoff, W. R., Crookston, N. L., Stage, A. R. (1982). User's guide to the stand prognosis model. United States Department of Agriculture Forest Service. Ogden UT, USA.
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