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Table 5 Contribution of environmental parameters to SDMs excluding 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
EVISD 16.3 44.7 73.6 1 1
EVIMEAN 14.7 12.6 3.3 2 2
EVIMAX 9.7 7.9 11.3 3 4
TWI* 9.4 2.9 1.9 4 9
Bio4 8.2 1.8 5.5 5 10
Bio10* 5.7 3.1 0.1 6 8
Bio15* 5.0 3.3 1.8 7 7
Bio12 5.0 4.6 0.1 8 5
Bio8 4.9 11.7 0.2 9 3
Bio7 4.7 0.7 0.1 10 13
Bio2* 4.3 0.4 0.5 11 14
Bio6 4.3 3.6 0.5 12 6
Bio5* 4.1 1.6 0.0 13 11
Bio9* 3.7 1.0 1.0 14 12
  1. *Environmental features not utilized in population-inclusive models (Table 4).
  2. Contribution of environmental parameters (Table 1) to species distribution models for Culex pipiens generated using boosted regression trees (“BRT”) and maximum entropy (“Maxent”) methods.