2017
DOI: 10.1111/1365-2435.12984
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Environmental conditions shape the chemical signal design of lizards

Abstract: The signals that animals use to communicate often differ considerably among species. Part of this variation in signal design may derive from differential natural selection on signal efficacy; the ability of the signal to travel efficiently through the environment and attract the receiver's attention. For the visual and acoustic modalities, the effect of the physical environment on signal efficacy is a well‐studied selective force. Still, very little is known on its impact on chemical signals. Here, we took a b… Show more

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Cited by 55 publications
(75 citation statements)
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References 149 publications
(221 reference statements)
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“…Thus, we consider that although the TIC procedure is easier and faster to implement than the SQ procedure, it embodies some statistical limitations that must be taken into account. The TIC procedure can be useful to characterize and compare overall chemical profiles (Baeckens, García‐Roa, Martín, & Van Damme, ; Baeckens, Martín, García‐Roa, & van Damme, ; Baeckens, Martín, García‐Roa, Pafilis, et al., ; García‐Roa, Jara, López, Martín, & Pincheira‐Donoso, ), probably reflecting the “chemosensory perception” that a lizard may have of a secretion. Nevertheless, when the target is one or more particular compounds, it is advisable to ensure independence of these by means of including an internal standard, as has been performed in the SQ procedure (García‐Roa, Sáiz, et al., ).…”
Section: Discussionmentioning
confidence: 99%
“…Thus, we consider that although the TIC procedure is easier and faster to implement than the SQ procedure, it embodies some statistical limitations that must be taken into account. The TIC procedure can be useful to characterize and compare overall chemical profiles (Baeckens, García‐Roa, Martín, & Van Damme, ; Baeckens, Martín, García‐Roa, & van Damme, ; Baeckens, Martín, García‐Roa, Pafilis, et al., ; García‐Roa, Jara, López, Martín, & Pincheira‐Donoso, ), probably reflecting the “chemosensory perception” that a lizard may have of a secretion. Nevertheless, when the target is one or more particular compounds, it is advisable to ensure independence of these by means of including an internal standard, as has been performed in the SQ procedure (García‐Roa, Sáiz, et al., ).…”
Section: Discussionmentioning
confidence: 99%
“…Details on the chemical analyses can be found in the Supporting Information. After the chemical content of the samples was determined, we estimated the complexity of the chemical composition of each individual secretion sample by calculating the chemical ‘richness’ and ‘diversity’, following Baeckens, Martín, García‐Roa, Pafilis, et al (2018), Baeckens, Martín, García‐Roa, and Van Damme (2018). The total number of different lipophilic compounds found in each lizard secretion was considered the chemical richness.…”
Section: Methodsmentioning
confidence: 99%
“…We used a tree described by Baeckens et al (2017b) to analyse our data in a phylogenetic setting. The tree was constructed with information on sequences from three mitochondrial and two nuclear gene regions.…”
Section: Phylogeny and Statisticsmentioning
confidence: 99%