Table 1 Effects of distance from the sound source and call origin on the Standardized Sound Pressure Level of synthetic calls in seven localities where Pleurodema thaul was sampled.

From: The acoustic adaptation hypothesis in a widely distributed South American frog: Southernmost signals propagate better

 

Effect

Numerator

df

Denominator

df

F

P

Totoral

Distance

4

102

268.4036

0.0000

Call origin

6

102

0.1189

0.9939

Interaction

24

102

0.1960

1.0000

Socos

Distance

4

102

5192.6060

0.0000

Call origin

6

102

5.8239

0.0000

Interaction

24

102

1.0193

0.4500

Torca Lagoon

Distance

4

102

1367.7317

0.0000

Call origin

6

102

4.2108

0.0008

Interaction

24

102

0.6581

0.8800

Hualqui

Distance

4

102

873.4237

0.0000

Call origin

6

102

1.3346

2.4870

Interaction

24

102

1.0137

0.4567

Elicura

Distance

4

102

1372.0915

0.0000

Call origin

6

102

2.2960

0.0404

Interaction

24

102

0.4668

0.9827

Coñaripe

Distance

4

102

1059.5590

0.0000

Call origin

6

102

8.1722

0.0000

Interaction

24

102

1.1128

0.3441

Máfil

Distance

4

102

2367.1641

0.0000

Call origin

6

102

2.2641

0.0431

Interaction

24

102

0.3274

0.9987