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1 results

  • Current distribution and status of the Eurasian otter Lutra lutra in South Korea

  • Yeong-Seok Jo, Oh-Sun Lee, Tae-Jin Park, Han-Na Kim, John T. Baccus
  • Journal:
    Oryx / Volume 54 / Issue 5 / September 2020
    Published online by Cambridge University Press:
    18 December 2018, pp. 743-746
    Print publication:
    September 2020
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  • The status of Asian populations of the Eurasian otter Lutra lutra is largely unknown. Since its designation as a Natural Monument (in 1983) and as Endangered (in 1997) in South Korea the authorities there have been trying to conserve and recover the species. We conducted a national otter survey by standard methods in 2017 and compared the current otter distribution to those recorded in a previous survey (2010). We found otter signs in 84.5% of 1,105 10 × 10 km grid cells, with the highest sprainting intensity in the south-west in the Yeongsan River Basin and on the south coast, where we recorded 7.05 and 6.26 spraints/site, respectively. Despite relatively low spraint densities, the otter has expanded its range since 2010 by colonizing urban areas. This trend suggests that South Korea could be a source area for the recovery of the Eurasian otter in East Asia.