Salinity and thermal tolerance of Japanese stream tree frog (Buergeria japonica) tadpoles from island populations

Shohei Komaki, Takeshi Igawa, Si Min Lin, Masayuki Sumida

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Physiological tolerance to variable environmental conditions is essential for species to disperse over habitat boundaries and sustain populations in new habitats. In particular, salinity and temperature are one of the major factors determining species’ distributions. The tree frog Buergeria japonica is the most widely distributed amphibian species found in the Ryukyu Archipelago in Japan and Taiwan, and uses a wide range of breeding sites. Such characteristics suggest a high salinity and thermal tolerance in B. japonica tadpoles. We measured the salinity and thermal tolerance of tadpoles from three islands to determine if physiological tolerance could have contributed to the wide dispersal and survival across different environments. The critical salinity of B. japonica was 10–11‰, a value markedly below seawater. We also observed a critical maximum temperature of approximately 40°C, a value which is higher than what is commonly observed for other anuran species. This high thermal tolerance may have favoured island dispersal and survival, particularly in volcanic islands.

Original languageEnglish
Pages (from-to)207-211
Number of pages5
JournalHerpetological Journal
Volume26
Issue number3
Publication statusPublished - 2016 Jul 1

Fingerprint

Hylidae
tadpoles
Magnolia
heat tolerance
frog
tolerance
salinity
Ryukyu Archipelago
habitats
breeding sites
volcanic island
amphibians
Taiwan
breeding site
habitat
temperature
biogeography
seawater
amphibian
archipelago

Keywords

  • Adaptation
  • Geothermal hot springs
  • Physiological tolerances
  • Ryukyu archipelago
  • Survival rate
  • Taiwan
  • Volcanic islands

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology
  • Ecological Modelling
  • Nature and Landscape Conservation

Cite this

Salinity and thermal tolerance of Japanese stream tree frog (Buergeria japonica) tadpoles from island populations. / Komaki, Shohei; Igawa, Takeshi; Lin, Si Min; Sumida, Masayuki.

In: Herpetological Journal, Vol. 26, No. 3, 01.07.2016, p. 207-211.

Research output: Contribution to journalArticle

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