Table 2 Results of the best fitting statistical models testing the link between MTE concentrations (Cu, Zn, Pb, Cd, As and Hg) and the habitat category while taking into account the species, the age and the location.

From: Replicated, urban-driven exposure to metallic trace elements in two passerines

 

Cu

Zn

Pb

Cd

As

Hg

Habitat

X2 = 39.87, P < 0.001

X2 = 92.33, P < 0.001

X2 = 50.29, P < 0.001

   

Species

X2 = 30.92, P < 0.001

X2 = 3.05, P = 0.081

X2 = 8.33, P < 0.001

X2 = 3.26, P = 0.071

X2 = 20.15, P < 0.001

X2 = 0.43, P = 0.512

Age

X2 = 1.17, P = 0.280

X2 = 3.97, P = 0.046

X2 = 15.40, P < 0.001

X2 = 1.50, P = 0.220

X2 = 2.34, P = 0.126

X2 = 0.80, P = 0.370

R2

0.387

0.420

0.590

0.332

0.121

≈ 0

  1. Degrees of freedom were 4, 1 and 1 for habitat, species and age, respectively. Significant effects (P < 0.05) are highlighted in bold.
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