fnUnvd {TapeS}

percentage of unusable coarse wood

Description

function extracts the percentage of unusable coarse wood according to species (beech, oak), diameter class and cutting diameter

Usage

fnUnvd(ba = NULL, dm = NULL, cd = NULL)

Arguments

ba

tree species index; see details

dm

diameter class; see details

cd

cutting diameter; see details

Details

Function extracts the percentage of unusable coarse wood according to three parameters: (i) tree species, which is 1 for using beech models and 2 for using the oak model; (ii) the 2cm-diameter class (from 8 and 60cm) and (iii) the cutting diameter ranging from 8 to 40cm.

References

Kublin and Scharnagl (1988): Verfahrens- und Programmbeschreibung zum BWI-Unterprogramm BDAT. FVA-BW 1988. ISSN: 0178-3165.