Record of invasive Rana huanrenensis Fei, Ye, and Huang, 1990 and Pelophylax nigromaculatus (Hallowell, 1861) on Ulleung Island, Republic of Korea

Yoonhyuk Bae, Jongsun Park, Siti N. Othman, Yikweon Jang, Amaël Borzée

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Non-native species have a significant negative impact on the environment where they have been introduced, and amphibians are among some of worse invasives. All known amphibian introductions are linked to human activities, generally in relation with pest control or food provisioning. This is the case of all amphibians on Ulleung Island, which were originally and mistakenly thought to be “reintroduced” after extirpation, or introduced for unrealised purposes such as food provisioning and pest-control. We conducted call and visual encounter surveys in all valleys of Ulleung Island, Republic of Korea, in April and May 2021 to detect the presence of amphibian species. The call surveys and subsequent call analyses revealed the presence of two geographically independent populations of Pelophylax nigromaculatus, and encounter surveys resulted in the sampling of Rana tadpoles identified as Rana huanrenensis with molecular tools. These results highlight the presence of these two species at low density on this island, but do not provide data on the impact of their presence.

Original languageEnglish
Pages (from-to)278-286
Number of pages9
JournalBioInvasions Records
Volume11
Issue number1
DOIs
StatePublished - Mar 2022

Bibliographical note

Publisher Copyright:
© Bae et al.

Keywords

  • Amphibian
  • Brown frog
  • Invasive species
  • Northeast Asia
  • Pond frog

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