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Table 2 General magnitude and direction of influence of variables used in the final Maxent models. The numbers indicate the variables’ relative contributions to the final models expressed as a percent contribution (regular numbers) and permutation importance (italicized numbers)

From: Ecological niche modeling of Aedes mosquito vectors of chikungunya virus in southeastern Senegal

  Two Year Model November-Only 2009 Model November-Only 2010 Model
Ae ae Ae af Ae ta 4S Ae da Ae fu Ae lu Ae ta Ae vi Ae da Ae fu Ae lu Ae ta Ae vi
Distance from any forest patch   -      -      - - -
  26.2      27.3      33.9 26.4 23.9
  30.6      35.8      42.2 39.6 21.1
Distance from medium to large forest patches cplx    cplx cplx     cplx cplx     
19.5    20.7 22.4     17.2 32.7     
30.8    31.9 34.3     33.0 48.7     
Distance from large forest patches cplx   + cplx cplx +   + + cplx +   +  
38.8   52.2 38.7 29.2 31.9   39.3 42.9 35.3 36.2   11.6  
33.7   49.4 36.2 30.8 22.8   48.7 25.8 25.3 14.6   7.2  
Distance from patch edge       - - - -   - - - -
      30.3 53.6 17.7 12.2   19.4 24.3 14.9 24.8
      27.3 35.8 14.1 19.1   27.6 19.0 15.4 21.3
Patch size - -   - -   - -   - - - -  
24.8 37.5   23.3 19.2   19.1 32.9   32.0 29.8 33.7 14.6  
23.5 38.3   19.5 11.2   34.9 28.3   26.0 19.8 37.3 10.5  
Mean NDVI for 2009 and 2010 October-November    cplx   + +    +   +   - -
   47.8   29.2 37.8    9.4   6.3   12.3 33.1
   50.6   23.7 49.9    5.8   19.8   19.2 57.5
Range of NDVI for 2009 and 2010 rainy seasons            -   -  
           8.4   8.4  
           15.9   3.1  
Precipitation of the wettest quarter cplx +   cplx         + cplx  
16.9 36.3   17.3         1.4 11.8  
12.0 31.1   12.2         8.1 5.0  
Elevation          +      
         18.3      
         16.3      
Aspect         +       
        10.1       
        8.9       
Slope               +
              18.3
              0.0
  1. Abbreviations: Ae ae Ae. aeygpti, Ae af Ae. africanus, Ae da Ae. dalzieli, Ae fu Ae furcifer, Ae lu Ae.luteocephalus, Ae ta Ae. taylori, Ae vi Ae.vittatus; 4S, Four-Species Model (includes the four species, i.e. Ae. dalzieli, Ae. furcifer, Ae. luteocephalus and Ae. vittatus, that were present at all 50 sites)
  2. Notes: + indicates a generally positive relationship and - a generally negative relationship between mosquito site suitability and predictor variables; cplx indicates a complex relationship that shifts between positive and negative as the predictor variable value increases