Figure 2 | Scientific Reports

Figure 2

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

Figure 2

Stepwise discriminant analysis of the advertisement call acoustic parameters for the eight localities where P. thaul was studied. Both canonical variables explained nearly 90% of the total variation. CV1 was associated with Dominant frequency and CV2 was associated with Modulation depth. The symbols identifying individuals from different localities are shown in the schematic map on the right. In the bi-plot, black: north, gray: central, and white: south. The map was generated from digital information available at Google Earth Pro v7.3.0.3832 and modified with Adobe Photoshop CS6 v.13.0.6.

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