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sitreeE

Extensions to sitree

sitreeE is the extension to sitree. It has useful functions to be used with sitree. These functions include functions to calculate competition, taper, volume, biomass, harvest, etc.

If you want to contribute a function to this R package upload the function and R documentation file.

April 2019

Added function PlotDataToLong which flattens plot data and converts it into a data.frame, long format

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Version

Install

install.packages('sitreeE')

Monthly Downloads

353

Version

0.0-10

License

GPL (>= 2)

Maintainer

Ignacio Sevillano

Last Published

January 14th, 2026

Functions in sitreeE (0.0-10)

biomass.birch.M1988

Marklund's biomass equations
height.of.X.tallest.trees

Mean height of X tallest trees
PBAL.dbh.greater

Basal area of larger trees which are at least X cm larger than the tree of interest
lorey.height

Lorey's height
biomass.birch.S2014

Implements biomass functions for birch for Norway from Smith et al (2014, 2016)
top.height

Top height of the n thickest trees
biomass.norway.sitree

Calculates biomass for trees using the Norwegian biomass equations
biomass.sitree

Biomass for live, dead, or removed trees using Norwegian biomass functions
tree.age

EStimation of individual tree age
volume.sitree

Volume for sitree output for Norwegian conditions
PlotDataToLong

Convert Plot data to a data.frame/data.table format
PBAL

Basal area of larger trees
AM2016ClimateSensitiveSINorway

Climate-sensitive site index models for Norway