Spring voices in Korean rice fields: The effect of abiotic variables and syntopic calls on the calling activity of the treefrog dryophytes suweonensis

Borzée Amaël, Sin Eunchong, Oh Sunmin, Jang Yikweon

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The calling activity of anurans is influenced by environmental va ria bles a nd calls produced by syntopic amphibians, among other varia bles. Some varia bles have a strong influence, such as temperature and predation dilution, while others may have a periodical influence such as the moon cycle. Here, we hypothesised that the calling activity of the Suweon treefrog, Dryophytes suweonensis, is restricted by specific environmental variables but reinforced by the calling activity of specific syntopic anurans. Within the criteria set by the experimental design, D. suweonensis calling activity was significantly influenced by moon phase, tempera ture, da te, time to sunset and the calling activity of Pelophylax nigromaculatus and D. japonicus. These variables are expected to be related to chorus size, preda tion, breeding phenology and competition, suggesting a broad plasticity in the calling activity of the species.

Original languageEnglish
Pages (from-to)335-341
Number of pages7
JournalAsian Herpetological Research
Volume11
Issue number4
DOIs
StatePublished - 2020

Bibliographical note

Funding Information:
Acknowledgements This work was financially supported by research grants from the National Research Foundation of Korea (2017R1A2B2003579) and the Rural Development Administration (PJ012285) to Y JANG, and a grant from the French Rotary Club Lectoure-Fleurance to A Borzée. The observations in this study comply with the current laws of the Republic of Korea.

Publisher Copyright:
© 2020, Asiatic Herpetological Research Society. All rights reserved.

Keywords

  • Anuran
  • Calling activity
  • Environmental variable
  • Hylidae
  • Influence
  • Korea
  • North east asia
  • Syntopic species

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