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Table 1 Data sources of environmental predictors used in species distribution models

From: Modeling the distribution of the West Nile and Rift Valley Fever vector Culex pipiens in arid and semi-arid regions of the Middle East and North Africa

Variable code Data type Date Source res Data source
Bio1 Annual mean temperature 1960-1990 30 arc sec WorldClim1
Bio2 Mean diurnal range 1960-1990 30 arc sec WorldClim1
Bio3 Isothermality 1960-1990 30 arc sec WorldClim1
Bio4 Temperature seasonality 1960-1990 30 arc sec WorldClim1
Bio5 Maximum temperature of the warmest month 1960-1990 30 arc sec WorldClim1
Bio6 Minimum temperature of the coldest month 1960-1990 30 arc sec WorldClim1
Bio7 Temperature annual range 1960-1990 30 arc sec WorldClim1
Bio8 Mean temperature of the wettest quarter 1960-1990 30 arc sec WorldClim1
Bio9 Mean temperature of the driest quarter 1960-1990 30 arc sec WorldClim1
Bio10 Mean temperature of the warmest quarter 1960-1990 30 arc sec WorldClim1
Bio11 Mean temperature of the coldest quarter 1960-1990 30 arc sec WorldClim1
Bio12 Annual precipitation 1960-1990 30 arc sec WorldClim1
Bio13 Precipitation of the wettest month 1960-1990 30 arc sec WorldClim1
Bio14 Precipitation of the driest month 1960-1990 30 arc sec WorldClim1
Bio15 Precipitation seasonality 1960-1990 30 arc sec WorldClim1
Bio16 Precipitation of the wettest quarter 1960-1990 30 arc sec WorldClim1
Bio17 Precipitation of the driest quarter 1960-1990 30 arc sec WorldClim1
Bio18 Precipitation of the warmest quarter 1960-1990 30 arc sec WorldClim1
Bio19 Precipitation of the coldest quarter 1960-1990 30 arc sec WorldClim1
EVIMAX Maximum EVI 2001 250 m MODIS2
EVIMEAN Average annual EVI 2001 250 m MODIS2
EVISD Standard deviation of EVI 2001 250 m MODIS2
Population Population count 2010 30 arc sec Landscan3
TWI Topographical wetness index 2000 90 m GLSDEM4
  1. 1WorldClim Global Climate database v1.4, available at :http://www.worldclim.org/ {accessed 28/8/2013}.
  2. 2Moderate Resolution Imaging Spectrometer (MODIS), available at: https://lpdaac.usgs.gov/ {accessed 28/8/2013}.
  3. 3LandScan (2010)™ High Resolution global Population Data Set copyrighted by UT-Battelle, LLC, operator of Oak Ridge National Laboratory under Contract No. DE-AC05-00OR22725 with the United States Department of Energy.
  4. 4Global Land Survey Digital Elevation Model (GLSDEM), available at: http://www.glcf.umd.edu/data/glsdem/ {accessed 28/8/2013} (Input elevation data set to GLSDEM for study area is Shuttle Radar Topography Mission (SRTM)).
  5. Data sources of environmental predictors used in construction of species distribution models. All layers were gridded to 926.63 m spatial resolution and projected into the MODIS sinusoidal projection.