Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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First Report on the Natural Movement of Introduced Turtle, Trachemys scripta elegans

국내로 유입된 외래생물 붉은귀거북(Trachemys scripta elegans)의 자연적인 이동 첫 보고

  • Received : 2018.11.19
  • Accepted : 2018.12.18
  • Published : 2019.03.31
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Abstract

The red-eared slider (Trachemys scripta elegans) is the one of the most popular pets, and the most commonly traded species in the world. It is designated as an ecosystem disturbance species that has been managed in South Korea. To date, no reports of natural or anthropogenic migration and spreading of T. s. elegans in South Korea are available. In the present study, we estimated the expected route and the movable path of one female T. s. elegans found in Namsan-myun, Gyeongsan-si, Gyeongsangbuk-do. Based on the movable path, the potential destination of the female turtle was estimated to be about 282 m and 468 m away. Therefore, the moving distance of the red-eared slider to the nearest water system will be at least 606 m and at most 792 m. Our results provide the first evidence about the natural migration and spreading of exotic turtles. This study can serve as a basis for the management and countermeasures against the introduced of T. s. elegans and other exotic species in South Korea.

붉은귀거북 Trachemys scripta elegans은 전 세계적으로 가장 유명한 애완동물 중 하나이며, 가장 흔하게 거래된 종으로 국내에서는 생태계교란생물로 지정되어 관리 대상이된 외래생물이다. 현재까지 붉은귀거북의 자연적 혹은 인위적인 이동과 확산에 대한 사례는 보고된 바가 없다. 본 연구는 경북 경산시 남산면 경리에서 발견된 붉은귀거북 암컷 1개체에 대한 이동 경로 및 이동 가능 경로를 추정하였다. 발견된 암컷의 이동 경로를 바탕으로 예상 목적지를 추정한 결과, 약 282 m와 468 m 지점에 붉은귀거북의 서식이 가능한 하천이 확인되었다. 따라서 가까운 수계까지의 예상 이동거리는 최소 606 m에서 최대 792 m가 될 것으로 추정된다. 이와 같은 붉은귀거북의 자연 이동은 외래거북의 자연 확산 가능성을 뒷받침할 수 있는 사례라 할 수 있다. 따라서 본 연구 결과는 국내 유입되어 있는 외래생물에 대한 관리 및 대책 마련에 중요한 근거가 될 것이다.

Keywords

References

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