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. 2014 May 5;9(5):e96261. doi: 10.1371/journal.pone.0096261

Table 1. Set of ecogeographical variables (EGVs) used for modelling the potential distribution of lions, leopards and spotted hyaenas in Tanzania's Ruaha landscape.

Ecogeographical Features Source Original Resolution
Bioclimatic variables
Annual precipitation WorldClim database [60], v. 1.04. http://www.worldclim.org/current 30 arc-seconds (∼1 km)
Landscape features
Digital elevation model Shuttle Radar Topography Mission. http://www.landcover.org/data/srtm/ 3 arc-seconds (90 m)*
Slope Derived from digital elevation model -
Normalized Difference Vegetation Index – NDVI MODIS Terra - MOD13A. http://glovis.usgs.gov/ 5001 m*
Vegetation Continuous Fields - VCF ftp://ftp.glcf.umd.edu/modis/VCF/Collection_5/ 250 m*
Geology - Cation Exchange Capacity http://www.isric.org/data/soil-property-maps-africa-1-km 1 km
Distance to water bodies Derived from http://www.fao.org/geonetwork/srv/en/metadata.show?id=2002&currTab=simple -
Human Disturbance
Distance to human households Derived from Ruaha Carnivore Project Data -

*Raster files converted to ∼1 km×1 km cell size.