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Last active December 17, 2015 21:29
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Centaurea diffusa maps
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centaurea_map.md

Using rbison, interacts with USGS BISON web service, only US data

## load stuff
install.packages("devtools")
library(devtools)
install_github("rbison", "ropensci")
library(rbison)

## search for knapweed
res <- bison(species='Centaurea diffusa', count=1396) # preliminary search said there were 1396 records
bisonmap(res) # make map of points

bisonmap(res, tomap="county") # summary by county

bisonmap(res, tomap="state") # summary by states

Using GBIF

install_github("rgbif", "ropensci")
library(rgbif)
out <- occurrencelist(scientificname='Centaurea diffusa', maxresults=3000, fixnames="changealltoorig", removeZeros=TRUE, coordinatestatus=TRUE)
gbifmap(out)

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