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Table 2 Relationships between green cover, ALAN, and both noise variables (daily and masking noise), and the occurrence of the Mottled Owl

From: Nightlife in the city: drivers of the occurrence and vocal activity of a tropical owl

Model/Variable

Deviance residuals

df

Residual deviance

p

Owl occurrence ~ green cover + daily noise + ALAN

r2 = 0.37

Green cover

15.40

57

65.98

< 0.001

Daily noise

4.31

56

61.66

0.038

ALAN

4.84

55

56.82

0.028

Owl occurrence ~ green cover + masking noise + ALAN

r2 = 0.38

Green cover

15.40

57

65.98

< 0.001

Masking noise

4.05

56

61.92

0.044

ALAN

4.92

55

57.00

0.026

  1. Given that noise variables were highly correlated, we ran two GLMs, one including daily noise per site and another one including the masking noise