active_fire_counts      Calculate active fire counts based on NASA
                        FIRMS polygons
active_fire_properties
                        Calculate active fire properties based on NASA
                        FIRMS polygons
available_indicators    Backlog function for available indicators
available_resources     Backlog function for available resources
biome                   Calculate biomes statistics (TEOW) based on WWF
calc_indicators         Compute specific indicators
chirps                  Climate Hazards Group InfraRed Precipitation
                        with Station data (CHIRPS)
drought_indicator       Calculate drought indicator statistics
ecoregion               Calculate terrestrial ecoregions statistics
                        (TEOW) based on WWF
elevation               Calculate elevation statistics
esalandcover            ESA Copernicus Global Land Cover layer
get_resources           Download specific biodiversity resources
gfw_emissions           Forest greenhouse gas emissions
gfw_lossyear            Year of forest loss occurrence
gfw_treecover           Treecover for the year 2000
gmw                     Global Mangrove Extent Polygon
init_portfolio          Initialization of a biodiversity portfolio
                        object
landcover               Calculate area of different landcover classes
mangroves_area          Calculate mangrove extent based on Global
                        Mangrove Watch (GMW)
nasa_firms              Active Fire Polygon
nasa_grace              NASA GRACE-based Drought Indicator layer
nasa_srtm               SRTM 30m Digital Elevation Model (DEM) layer
nelson_et_al            Accessibility to Cities layer
population_count        Calculate population count statistics
precipitation_chirps    Calculate precipitation statistics based on
                        CHIRPS
precipitation_wc        Calculate precipitation statistics
read_portfolio          Reading a portfolio object from disk
soilgrids               SoilGrids data layers
soilproperties          Calculate Zonal Soil Properties
temperature_max_wc      Calculate maximum temperature statistics
temperature_min_wc      Calculate minimum temperature statistics based
                        on WorldClim
teow                    Terrestrial Ecoregions of the World (TEOW)
                        Polygon
traveltime              Calculate accessibility statistics
treecover_area          Calculate treecover statistics
treecover_area_and_emissions
                        Calculate treeloss statistics
treecoverloss_emissions
                        Calculate emission statistics
tri                     Calculate Terrain Ruggedness Index (TRI)
                        statistics
worldclim               WorldClim climatic variables (min temperature,
                        max temperature, mean precipitation)
worldpop                Population Count layer for year 2000-2020
write_portfolio         Writing a portfolio to disk
