Environmental constraints and call evolution in torrent-dwelling frogs

Goutte, Stéphane; Dubois, Alain; Howard, Sam D.; Márquez, Rafael; Rowley, Jodi J. L.; Dehling, J. Maximilian; Grandcolas, Philippe; Xiong, Rongchuan; Legendre, Frédéric

doi:10.1111/evo.12903

Cited by 36 publications

(60 citation statements)

References 114 publications

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“…The high frequency parameters may be related with their tendency to vocalize in close proximity to mountain cascade streams, which would create a low-frequency background noise (Preininger et al 2007). It was shown that low background noise may induce frogs to call at higher frequency rates than expected from their body size, thereby improving the signal-to-noise ratio of their calls (Penna et al 2005, Wells 2007, Goutte et al 2016). Our study also recorded that the values of some temporal call parameters of Ophryophryne elfina sp.…”

Section: Discussionmentioning

confidence: 99%

Molecular, morphological and acoustic assessment of the genus Ophryophryne (Anura, Megophryidae) from Langbian Plateau, southern Vietnam, with description of a new species

Poyarkov¹,

Duong²,

Orlov³

et al. 2017

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Asian Mountain Toads (Ophryophryne) are a poorly known genus of mostly small-sized anurans from southeastern China and Indochina. To shed light on the systematics within this group, the most comprehensive mitochondrial DNA phylogeny for the genus to date is presented, and the taxonomy and biogeography of this group is discussed. Complimented with extensive morphological data (including associated statistical analyses), molecular data indicates that the Langbian Plateau, in the southern Annamite Mountains, Vietnam, is one of the diversity centres of this genus where three often sympatric species of Ophryophryne are found, O. gerti, O. synoria and an undescribed species. To help resolve outstanding taxonomic confusion evident in literature (reviewed herein), an expanded redescription of O. gerti is provided based on the examination of type material, and the distributions of both O. gerti and O. synoria are considerably revised based on new locality records. We provide the first descriptions of male mating calls for all three species, permitting a detailed bioacoustics comparison of the species. We describe the new species from highlands of the northern and eastern Langbian Plateau, and distinguish it from its congeners by a combination of morphological, molecular and acoustic characters. The new species represents one of the smallest known members of the genus Ophryophryne. At present, the new species is known from montane evergreen forest between 700–2200 m a.s.l. We suggest the species should be considered Data Deficient following IUCN’s Red List categories.

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Section: Discussionmentioning

confidence: 99%

Molecular, morphological and acoustic assessment of the genus Ophryophryne (Anura, Megophryidae) from Langbian Plateau, southern Vietnam, with description of a new species

Poyarkov¹,

Duong²,

Orlov³

et al. 2017

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“…This method complements the historical approach of ancestral state reconstruction used on the same data set in Goutte et al . (). Goutte et al .…”

Section: Introductionmentioning

confidence: 97%

“…Torrent‐breeding ranids generally produce shorter and higher‐pitched advertisement calls than other closely related frogs (Arch et al ., ; Boonman & Kurniati, ; Goutte et al ., ), although there appears to be no single typical advertisement call type for torrent‐breeding frogs. Investigating habitat characteristics at a finer scale, Goutte et al .…”

Section: Introductionmentioning

confidence: 99%

“…Investigating habitat characteristics at a finer scale, Goutte et al . () identified call characteristics in ranids, which could be adaptive to high ambient noise levels in torrent‐breeding frogs: high dominant frequency, short note duration and marked frequency modulations. To investigate these call features further, morphological, environmental and phylogenetic information should be integrated into evolution and adaptation analyses because they may include confounding factors (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Goutte et al . () reconstructed the evolutionary history of call characteristics and tested whether it followed models of evolution determined by environmental constraints. Ancestral state reconstructions, as used in Goutte et al .…”

Section: Introductionmentioning

confidence: 99%

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How the environment shapes animal signals: a test of the acoustic adaptation hypothesis in frogs

Goutte

Dubois

Howard

et al. 2017

J of Evolutionary Biology

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Long-distance acoustic signals are widely used in animal communication systems and, in many cases, are essential for reproduction. The acoustic adaptation hypothesis (AAH) implies that acoustic signals should be selected for further transmission and better content integrity under the acoustic constraints of the habitat in which they are produced. In this study, we test predictions derived from the AAH in frogs. Specifically, we focus on the difference between torrent frogs and frogs calling in less noisy habitats. Torrents produce sounds that can mask frog vocalizations and constitute a major acoustic constraint on call evolution. We combine data collected in the field, material from scientific collections and the literature for a total of 79 primarily Asian species, of the families Ranidae, Rhacophoridae, Dicroglossidae and Microhylidae. Using phylogenetic comparative methods and including morphological and environmental potential confounding factors, we investigate putatively adaptive call features in torrent frogs. We use broad habitat categories as well as fine-scale habitat measurements and test their correlation with six call characteristics. We find mixed support for the AAH. Spectral features of torrent frog calls are different from those of frogs calling in other habitats and are related to ambient noise levels, as predicted by the AAH. However, temporal call features do not seem to be shaped by the frogs' calling habitats. Our results underline both the complexity of call evolution and the need to consider multiple factors when investigating this issue.

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An insight into molecular taxonomy of bufonids, microhylids, and dicroglossid frogs: First genetic records from Pakistan

Akram

Rais

Lopez-Hervas

et al. 2021

Ecology and Evolution

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The current study was focused on documentation of amphibian assemblage in North Punjab and Islamabad Capital Territory, Pakistan, by using mitochondrial gene sequences of 16S rRNA. Our study entailed 37% of the known amphibian species of the country. We provided a phylogenetic analysis based on 74 newly generated mitochondrial 16S rRNAs from nine species of genus Microlyla, Duttaphrynus, Allopaa, Nanorana, Sphaerotheca, Minervarya, Hoplobatrachus, and Euphlyctis. We employed the maximum-likelihood inference and Bayesian analysis to assess the taxonomic status of the samples obtained from Pakistan, with respect to other congeneric species from surrounding regions. Our findings confirmed the taxonomic status of South Asian anuran species Duttaphrynus stomaticus, Duttaphrynus melanostictus, Microhyla nilphamariensis, Allopaa hazarensis, Nanorana vicina, Sphaerotheca maskeyi (synonym: S. pashchima), Minervarya pierrei, Hoplobatrachus tigerinus, and Euphlyctis kalasgramensis in Pakistan. We have reported new country records of genus Minervarya (M. pierrei).Minervarya pierrei was previously misidentified as Fejervarya limnocharis, due to dearth of genetic information. We provided the first genetic records of our endemic species N. vicina. The results revealed the taxonomic placement of N. vicina with respect to its congeners and validated the taxonomic status of N. vicina from its type locality (Murree) for the first time. The findings of the present study also indicated the paraphyletic relationship of A.-hazarensis with Nanorana species. So, based on our phylogenetic inferences, morphological characters, and habitat preferences, validity of generic status of A. hazarensis is undecided. As our data were not enough to resolve this issue, we suggest sequencing of additional mitochondrial and nuclear genes in the future studies to get a better resolution. We recommend carrying out extensive surveys throughout the country for proper scientific documentation of amphibians of Pakistan. Many new species, some of them might be endemic to Pakistan, are expected to be discovered, and taxonomic status of other species would be resolved.

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Environmental constraints and call evolution in torrent-dwelling frogs

Cited by 36 publications

References 114 publications

Molecular, morphological and acoustic assessment of the genus Ophryophryne (Anura, Megophryidae) from Langbian Plateau, southern Vietnam, with description of a new species

Molecular, morphological and acoustic assessment of the genus Ophryophryne (Anura, Megophryidae) from Langbian Plateau, southern Vietnam, with description of a new species

How the environment shapes animal signals: a test of the acoustic adaptation hypothesis in frogs

An insight into molecular taxonomy of bufonids, microhylids, and dicroglossid frogs: First genetic records from Pakistan

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