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Table 4 Contribution of environmental parameters to SDMs including human population data

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

Parameter BRT variable importance Maxent variable importance Maxent permutation importance BRT rank Maxent rank
Population 34.9 60.6 52.8 1 1
EVIMEAN 11.1 7.5 0.8 2 3
Bio8 9.1 6.1 0.5 3 5
EVIMAX 8.7 3.5 1.0 4 6
Bio12 8.4 6.2 3.4 5 4
EVISD 8.4 11.9 39.1 6 2
Bio4 7.1 1.2 1.3 7 8
Bio6 6.7 2.4 0.0 8 7
Bio7 5.6 0.7 1.0 9 9
  1. Contribution of environmental parameters (Table 1) to species distribution models for Culex pipiens generated using boosted regression trees (BRT) and maximum entropy (Maxent) methods.