volume.norway {sitree}

Tree volume for Norwegian conditions

Description

Calculates tree volume following the equations used in the Norwegian national forest inventory

Usage

volume.norway(dbh.mm, height.dm, tree.sp, kom, vol.reduksjon = NULL, 
vol.w = TRUE, vol.wo = TRUE)

Arguments

dbh.mm

tree dbh in mm

height.dm

tree height in dm

tree.sp

tree species following the same codification as the Norwegian NFI

kom

municipality code

vol.reduksjon

volume reduction in 100

vol.w

TRUE/FALSE if volume with bark needs to be calculated

vol.wo

TRUE/FALSE if volume without bark needs to be calculated

Value

It returns a list with up to two elements:

vol.w.tr.m3

volume with bark per tree in m3

vol.wo.tr.m3

volume without bark per tree in m3

Examples

volume.norway(dbh.mm = c(50,70), height.dm = c(17,20), tree.sp = c(1, 10), kom = c(623, 623))