gbif

0th

Percentile

Data from GBIF

This function downloads species occurence records from the Global Biodiversity Information Facility (http://www.gbif.org{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 http://data.gbif.org/terms.htm{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 http://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 th
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

http://data.gbif.org/occurrences/

Aliases
  • gbif
Examples
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 1.0-15, License: GPL (>= 3)

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