Calculates mobilizable fuelwood potential (tonnes dry matter/year) from forest harvest residues and coppice biomass.
Usage
indicator_energy_fuelwood(
units,
volume_field = "volume",
species_field = "species",
harvest_rate = 0.02,
residue_fraction = 0.3,
coppice_area_field = NULL,
column_name = "E1",
lang = "en"
)Arguments
- units
sf object (POLYGON) of spatial units to assess
- volume_field
Character. Column name containing standing volume (m³/ha). Default "volume".
- species_field
Character. Column name containing species codes. Default "species".
- harvest_rate
Numeric. Annual harvest rate (fraction of volume). Default 0.02 (2 percent/year).
- residue_fraction
Numeric. Fraction of harvest available as residues. Default 0.3 (30 percent).
- coppice_area_field
Character. Column name for coppice area fraction. Optional.
- column_name
Character. Name for output column. Default "E1".
- lang
Character. Message language. Default "en".