biomass.sitree: Biomass for live, dead, or removed trees using Norwegian...
In sitreeE: Sitree Extensions

biomass.sitree

R Documentation

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

Description

Calculates biomass for trees using the Norwegian biomass equations.

Usage

biomass.sitree(tr, plot.data)

Arguments

`tr`	A trList or trListDead object.
`plot.data`	A data.frame or list with plot information. It should have at least plot.id and tree2ha.

Value

Returns a data.table containing the 12 columns resulting from applying the biomass functions.

Author(s)

Clara Anton Fernandez caf@nibio.no

Examples


library(sitree)
 result.sitree <- sitree (tree.df   = stand.west.tr,
                            stand.df  = stand.west.st,
                            functions = list(
                              fn.growth     = 'grow.dbhinc.hgtinc',
                              fn.mort       = 'mort.B2007',
                              fn.recr       = 'recr.BBG2008',
                              fn.management = NULL,
                              fn.tree.removal = NULL,
                              fn.modif      = NULL, 
                              fn.prep.common.vars = 'prep.common.vars.fun'
                            ),
                            n.periods = 20,
                            period.length = 5,
                            mng.options = NA,
                            print.comments = FALSE,
                            fn.dbh.inc = "dbhi.BN2009",
                            fn.hgt.inc =  "height.korf"
                          )

biom <- biomass.sitree(tr = result.sitree$live, plot.data = result.sitree$plot.data)

sitreeE documentation built on April 3, 2025, 7:44 p.m.