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

Velásquez-Soto, Nelson; Moreno-Gómez, Felipe N.; Brunetti, Enzo; Penna, Mario

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dc.contributor.author	Velásquez-Soto, Nelson
dc.contributor.author	Moreno-Gómez, Felipe N.
dc.contributor.author	Brunetti, Enzo
dc.contributor.author	Penna, Mario
dc.date.accessioned	2018-06-06T13:59:21Z
dc.date.available	2018-06-06T13:59:21Z
dc.date.issued	2018
dc.identifier.uri	http://repositorio.ucm.cl/handle/ucm/1796
dc.description.abstract	Animal communication occurs in environments that affect the properties of signals as they propagate from senders to receivers. We studied the geographic variation of the advertisement calls of male Pleurodema thaul individuals from eight localities in Chile. Furthermore, by means of signal propagation experiments, we tested the hypothesis that local calls are better transmitted and less degraded than foreign calls (i.e. acoustic adaptation hypothesis). Overall, the advertisement calls varied greatly along the distribution of P. thaul in Chile, and it was possible to discriminate localities grouped into northern, central and southern stocks. Propagation distance affected signal amplitude and spectral degradation in all localities, but temporal degradation was only affected by propagation distance in one out of seven localities. Call origin affected signal amplitude in five out of seven localities and affected spectral and temporal degradation in six out of seven localities. In addition, in northern localities, local calls degraded more than foreign calls, and in southern localities the opposite was observed. The lack of a strict optimal relationship between signal characteristics and environment indicates partial concordance with the acoustic adaptation hypothesis. Inter-population differences in selectivity for call patterns may compensate for such environmental constraints on acoustic communication.	es_CL
dc.language.iso	en	es_CL
dc.rights	Atribución-NoComercial-SinDerivadas 3.0 Chile	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/3.0/cl/	*
dc.source	Scientific Reports, 8, 6990	es_CL
dc.title	The acoustic adaptation hypothesis in a widely distributed South American frog: Southernmost signals propagate better	es_CL
dc.type	Article	es_CL
dc.ucm.facultad	Facultad de Ciencias Básicas	es_CL
dc.ucm.indexacion	Scopus	es_CL
dc.ucm.indexacion	Isi	es_CL
dc.ucm.doi	doi.org/10.1038/s41598-018-25359-y	es_CL