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Table 6 Null model and the top five models for adult abundance

From: A multi-level analysis of the relationship between environmental factors and questing Ixodes ricinus dynamics in Belgium

  Model 0 Model 1 Model 2 Model 3 Model 4 Model 5
Fixed effect Coefficient (Std. Error)
Intercept 1.65 (0.27)*** −12.95 (3.53)*** −12.95 (2.69)*** −13.61 (3.70)*** −9.62 (5.50). −17.08 (3.67)***
Level–1 : Sampling       
Daily wind speed (7 previous days mean)   −0.23 (0.14). −0.31 (0.12)** −0.27 (0.15). −0.23 (0.13).  
Level–2 : Site       
Proportion of broad-leaved forest (ra = 1500 m)    1.18 (0.44)**    −0.24 (0.13).
Forest edge density (r = 1000 m)     0.02 (0.01).   
Forest edge density (r = 1500 m)   0.03 (0.02)*     
Area-weighted mean patch fractal dimension (r = 1500 m)   12.94 (3.04)* 13.46 (2.32)*** 13.71 (3.10)*** 11.76 (4.07). 16.85 (3.03) ***
Euclidean mean nearest-neighbour distance (r = 1500 m)      −0.02 (0.01)***  
Random effect Variance (Std. Error)
Intercept 1.71 (0.12) 0.26 (0.05) 1.07e−07 (2.93e-5) 0.27 (0.05) 0.33 (0.05) 0.47 (0.06)
AIC 881.85 853.93 855.50 855.78 856.05 856.76
ΔAIC 0 27.92 26.35 26.07 25.80 25.09
  1. a r : Buffer zone radius.
  2. ***P < 0.001; **P < 0.01; *P < 0.05; .P < 0.1.