layer
point to the Turboveg layer specification (see Turboveg Help) and column comb
defines the aggregation.lc.0
= Use every layer differentiation from 0 to 9 in Turboveg database as pseudo-species.
lc.1
= Default layer combination in tv.veg
. Differenciates tree and shrub layers, all other layers are combined.
lc.all
= Do not use any layer differentiation.