gbif

0th

Percentile

Data from GBIF

This function downloads species occurence records from the Global Biodiversity Information Facility (GBIF) data portal. You can download either a single species (if you append a '*' to the species name) or a subspecies of comparable level. You can download the data for an entire genus by using species='*'. Before using this function, please first check the GBIF data use agreement.

Keywords
spatial
Usage
gbif(genus, species="", ext=NULL, args=NULL, geo=TRUE, sp=FALSE, 
   removeZeros=FALSE, download=TRUE, ntries=5, nrecs=300, start=1, end=Inf)
Arguments
genus

character. genus name

species

character. species name. Use '*' to download the entire genus. Append '*' to the species name to get all naming variants (e.g. with and witout species author name) and sub-taxa

ext

Extent object to limit the geographic extent of the records. An extent can be created using functions like drawExtent and extent

args

character. Additional arguments to refine the query. See query parameters in https://www.gbif.org/developer/occurrence for more details

geo

logical. If TRUE, only records that have a georeference (longitude and latitude values) will be downloaded

sp

logical. If TRUE, geo will be set to TRUE and a SpatialPointsDataFrame will be returned

removeZeros

logical. If TRUE, all records that have a latitude OR longitude of zero will be removed if geo==TRUE, or set to NA if geo==FALSE. If FALSE, only records that have a latitude AND longitude that are zero will be removed or set to NA

download

logical. If TRUE, records will be downloaded, else only the number of records will be shown

ntries

integer. How many times should the function attempt to download the data, if an invalid response is returned (perhaps because the GBIF server is very busy)

nrecs

integer. How many records to download in a single request (max is 300)?

start

integer. Record number from which to start requesting data

end

integer. Last record to request

Value

data frame

References

https://www.gbif.org/occurrence

Aliases
  • gbif
Examples
# NOT RUN {
gbif('solanum', download=FALSE)
gbif('solanum', 'acaule', download=FALSE)

gbif('Batrachoseps', '' , down=FALSE)
gbif('Batrachoseps', 'luciae', down=FALSE)
g <- gbif('Batrachoseps', 'luciae', geo=TRUE)
plot(g$lon, g$lat)

gs <- gbif('Batrachoseps', 'luciae', sp=TRUE)
plot(gs)
# }
Documentation reproduced from package dismo, version 1.3-3, License: GPL (>= 3)

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