Species richness counts the number of potential species intersecting with a
polygon grouped by the IUCN threat categorization. Note, that
this indicator function requires the manual download of the respective
raster files.
Usage
calc_species_richness(engine = "extract", stats = "mean")
Arguments
- engine
The preferred processing functions from either one of "zonal",
"extract" or "exactextract" as character.
- stats
Function to be applied to compute statistics for polygons either
one or multiple inputs as character. Supported statistics are: "mean",
"median", "sd", "min", "max", "sum" "var".
Value
A function that returns an indicator tibble with IUCN layers with
specified statistics as variable and respective values as value.
Details
The specific meaning of the species richness indicator depends on the
supplied raster file.
The required resources for this indicator are: