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Table 1 Effects of calling environment and body size (SVL) on call dominant frequency (DF) (ANOVA results for the PGLS model)

From: Noise constrains the evolution of call frequency contours in flowing water frogs: a comparative analysis in two clades

Source df Sum Sq Mean Sq F P
Environment 1 29.429 29.429 9.4216 0.003
SVL 1 63.266 63.266 20.2542  < 0.001
Environment × SVL 1 7.368 7.368 2.3587 0.129
Residuals 74 231.145 3.124