Maxent in dismo

[Clara Jean Louis]

Hello everyone,

I'm a beginner working in Maxent (dismo) in R. I'm usisng the GBIF for my occurrence data and Worldclim for my raster file especially for bioclimatic variables. But I do need to include other variable like vegetation and soil. 

I find this tutorial (https://rspatial.org/raster/sdm/4_sdm_envdata.html#)

that explain that dismo provide some variables either "biome" and  this is actually vegatation. It seems like they create a folder with 9 variables which name "ex".... see ->

path <- file.path(system.file(package="dismo"), 'ex')

library(dismo) files <- list.files(path, pattern='grd$', full.names=TRUE ) files ## [1] "C:/soft/R/R-4.0.5/library/dismo/ex/bio1.grd" ## [2] "C:/soft/R/R-4.0.5/library/dismo/ex/bio12.grd" ## [3] "C:/soft/R/R-4.0.5/library/dismo/ex/bio16.grd" ## [4] "C:/soft/R/R-4.0.5/library/dismo/ex/bio17.grd" ## [5] "C:/soft/R/R-4.0.5/library/dismo/ex/bio5.grd" ## [6] "C:/soft/R/R-4.0.5/library/dismo/ex/bio6.grd" ## [7] "C:/soft/R/R-4.0.5/library/dismo/ex/bio7.grd" ## [8] "C:/soft/R/R-4.0.5/library/dismo/ex/bio8.grd" ## [9] "C:/soft/R/R-4.0.5/library/dismo/ex/biome.grd"

I want to know if anyone know if thers are other folder that have more variables in dismo. like the 19 bioclimatic variables and biome for exemple. do you have any idea of how i can find other folder that contain much variable. because it's seems they selected the 9 variable in the "ex" file folder .

do anyone have any idea of  any database that can provide vegatation or soil too? 

thanks a lot

[Bede-Fazekas Ákos]

Dear Clara,
you can download soil and vegetation-related data from www.openlandmap.org and https://land.copernicus.eu/global/themes/vegetation, but you must do some spatial preprocessing (crop, resample, transform etc.) to adjust them to your bioclimatic rasters.
I don't think that any ready-to-use datasets are available through dismo or any other R packages that are fully adjusted to the WorldClim rasters.
Have a nice week,
Ákos Bede-Fazekas
Centre for Ecological Research

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