Function reference • rFIA

Estimation functions

area(): Estimate forest land area from FIADB

areaChange(): Estimate land area change from the FIADB

biomass(): Estimate tree biomass and carbon stocks from the FIADB

carbon(): Estimate carbon stocks by IPCC forest carbon pools from the FIADB

customPSE(): Post-stratified estimator for custom variables in FIA Data

diversity(): Estimate diversity from FIADB

dwm(): Estimate volume, biomass, and carbon stocks of down woody material (fuels) from FIADB

fsi(): Estimate the Forest Stability Index from the FIADB

growMort(): Estimate growth, recruitment, mortality, and harvest rates from FIADB

invasive(): Estimate invasive species coverage from FIADB

seedling(): Estimate seedling abundance per acre from FIADB

standStruct(): Estimate forest structural stage distribution from FIADB

tpa(): Estimate trees per acre and basal area per acre from FIADB

vegStruct(): Estimate vegation cover by canopy layer from FIADB

vitalRates(): Estimate tree growth rates from FIADB

volume(): Estimate merchantable tree volume from the FIADB

Download, read, and write FIA data

getFIA(): Download FIA Data and Load into R

readFIA(): Load FIA database into R environment from local directory

writeFIA(): Write FIA tables to local directory

Space-time queries, plots, and helper functions

clipFIA(): Spatial and temporal queries for FIADB

intersectFIA(): Intersect FIA data with spatial polygons

plotFIA(): Static and animated plots of FIA summaries

makeClasses(): Convert numeric variables to class intervals (factor)

Design information

findEVALID(): Find EVALIDs used in the FIADB

getDesignInfo(): Extract design features for FIA inventories

Data

fiaRI: FIADB for Rhode Island 2013 - 2018

countiesRI: County boundaries of Rhode Island