Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.

High background noise is an impediment to signal detection and perception. We report the use of multiple solutions to improve signal perception in the acoustic and visual modality by the Bornean rock frog, Staurois parvus. We discovered that vocal communication was not impaired by continuous abiotic...

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Autores principales:	T Ulmar Grafe, Doris Preininger, Marc Sztatecsny, Rosli Kasah, J Maximilian Dehling, Sebastian Proksch, Walter Hödl
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2cb3aa86620e4dfaa0521a4071df1bab
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spelling	oai:doaj.org-article:2cb3aa86620e4dfaa0521a4071df1bab2021-11-18T07:17:29ZMultimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.1932-620310.1371/journal.pone.0037965https://doaj.org/article/2cb3aa86620e4dfaa0521a4071df1bab2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22655089/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203High background noise is an impediment to signal detection and perception. We report the use of multiple solutions to improve signal perception in the acoustic and visual modality by the Bornean rock frog, Staurois parvus. We discovered that vocal communication was not impaired by continuous abiotic background noise characterised by fast-flowing water. Males modified amplitude, pitch, repetition rate and duration of notes within their advertisement call. The difference in sound pressure between advertisement calls and background noise at the call dominant frequency of 5578 Hz was 8 dB, a difference sufficient for receiver detection. In addition, males used several visual signals to communicate with conspecifics with foot flagging and foot flashing being the most common and conspicuous visual displays, followed by arm waving, upright posture, crouching, and an open-mouth display. We used acoustic playback experiments to test the efficacy-based alerting signal hypothesis of multimodal communication. In support of the alerting hypothesis, we found that acoustic signals and foot flagging are functionally linked with advertisement calling preceding foot flagging. We conclude that S. parvus has solved the problem of continuous broadband low-frequency noise by both modifying its advertisement call in multiple ways and by using numerous visual signals. This is the first example of a frog using multiple acoustic and visual solutions to communicate in an environment characterised by continuous noise.T Ulmar GrafeDoris PreiningerMarc SztatecsnyRosli KasahJ Maximilian DehlingSebastian ProkschWalter HödlPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 5, p e37965 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q T Ulmar Grafe Doris Preininger Marc Sztatecsny Rosli Kasah J Maximilian Dehling Sebastian Proksch Walter Hödl Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.
description	High background noise is an impediment to signal detection and perception. We report the use of multiple solutions to improve signal perception in the acoustic and visual modality by the Bornean rock frog, Staurois parvus. We discovered that vocal communication was not impaired by continuous abiotic background noise characterised by fast-flowing water. Males modified amplitude, pitch, repetition rate and duration of notes within their advertisement call. The difference in sound pressure between advertisement calls and background noise at the call dominant frequency of 5578 Hz was 8 dB, a difference sufficient for receiver detection. In addition, males used several visual signals to communicate with conspecifics with foot flagging and foot flashing being the most common and conspicuous visual displays, followed by arm waving, upright posture, crouching, and an open-mouth display. We used acoustic playback experiments to test the efficacy-based alerting signal hypothesis of multimodal communication. In support of the alerting hypothesis, we found that acoustic signals and foot flagging are functionally linked with advertisement calling preceding foot flagging. We conclude that S. parvus has solved the problem of continuous broadband low-frequency noise by both modifying its advertisement call in multiple ways and by using numerous visual signals. This is the first example of a frog using multiple acoustic and visual solutions to communicate in an environment characterised by continuous noise.
format	article
author	T Ulmar Grafe Doris Preininger Marc Sztatecsny Rosli Kasah J Maximilian Dehling Sebastian Proksch Walter Hödl
author_facet	T Ulmar Grafe Doris Preininger Marc Sztatecsny Rosli Kasah J Maximilian Dehling Sebastian Proksch Walter Hödl
author_sort	T Ulmar Grafe
title	Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.
title_short	Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.
title_full	Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.
title_fullStr	Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.
title_full_unstemmed	Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.
title_sort	multimodal communication in a noisy environment: a case study of the bornean rock frog staurois parvus.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/2cb3aa86620e4dfaa0521a4071df1bab
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Multimodal communication in a noisy environment: a case study of the Bornean rock frog Staurois parvus.

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