Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Evaluation of the Movement Pattern of Siniperca scherzeri Using the Radio Telemetry in the Middle Part of the Geum-River where Wiers were Constructed Recently

Radio telemetry를 이용한 금강보 설치구간에서 쏘가리(Siniperca scherzeri)의 이동 특성

  • Baek, Seung-Ho (Department of Biology Education, Kongju National University) ;
  • Yoon, Ju-Duk (Biology Resource Center, Kongju National University) ;
  • Kim, Jeong-Hui (Department of Biology Education, Kongju National University) ;
  • Park, Sang-Hyeon (Department of Biology Education, Kongju National University) ;
  • Lee, Jin-Woong (Department of Biology Education, Kongju National University) ;
  • Jang, Min-Ho (Department of Biology Education, Kongju National University) ;
  • Kim, Su Kyung (Watershed Ecology Research Team, Water environment Research Department, National Institute of Environmental Research) ;
  • Byeon, Myeong-Seop (Watershed Ecology Research Team, Water environment Research Department, National Institute of Environmental Research)
  • 백승호 (공주대학교 생물교육과) ;
  • 윤주덕 (공주대학교 생물자원연구센터) ;
  • 김정희 (공주대학교 생물교육과) ;
  • 박상현 (공주대학교 생물교육과) ;
  • 이진웅 (공주대학교 생물교육과) ;
  • 장민호 (공주대학교 생물교육과) ;
  • 김수경 (국립환경과학원 물환경연구부 유역생태연구팀) ;
  • 변명섭 (국립환경과학원 물환경연구부 유역생태연구팀)
  • Received : 2015.12.28
  • Accepted : 2015.06.03
  • Published : 2015.06.30
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Abstract

Siniperca scherzeri is major target species for restocking and restoration project as it is one of the economic species in South Korea. In this study, to investigate their ecological characteristics movement pattern and habitat characteristic of S. scherzeri were analyzed using radio telemetry. Three specimens released during spawning season, moved more than 10 km toward upstream from the release site. Whereas the remains released after spawning season, settled within 400 m of their release site except two specimens (Ss 11, 3.2 km; Ss, 15, 1.4 km). One of possible reason of upstream movement during spawning season is reproduction. The conditions of their settlement area is similar with reference conditions of their spawning ground. S. scherzeri were mainly detected near the edge of the water, and it may related with the facts that rocks are mainly located at the edge of the water and S. scherzeri prefers rocks for their shelter. AMD (Accumulated movement distance) positively related with body weight and condition factor K, but no significant relationship was identified with gender and total length. Daily movement boundary of S. scherzeri was $214.94m^2{\sim}3,257.19m^2$, and their movement was restricted near the edge of the water. The results of this study could be useful to restocking and restoration.

쏘가리는 국내 주요 경제성 어종이며 방류 및 복원사업의 대상 어종 중 하나이다. 본 연구는 금강의 보 설치구간에서 쏘가리의 이동 특성 및 서식처 범위 등을 평가하기 위해 Radio telemetry를 이용하여 연구를 실시하였다. 연구결과 산란기에 방류한 개체들의 경우 방류 즉시 상류로 10km 이상 소상하였지만, 비 산란기에 방류한 개체들은 2개체를 제외한 모든 개체들이 방류 지점으로부터 400 m 이내에서 정착하였다 (Ss11, 3.2 km; Ss 15, 1.4 km). 산란기에 상류로 소상한 개체들이 정착한 지점의 서식처 특성은 기존에 알려진 쏘가리의 산란장 특성과 유사하게 나타났으며, 현재 퇴적이 진행되고 있는 상태였다. 쏘가리가 감지는 수변부에서 높은 비율로 나타났으며, 이는 수변부에 큰 돌이 많이 분포하는 것, 쏘가리가 주로 돌 틈에 숨어서 서식하는 특성과 관련이 있는 것으로 판단된다. 쏘가리의 개체 특성과 이동거리와의 상관관계 분석 결과 무게와 비대지수가 이동거리와 양의 상관관계를 보였으며 성별과 크기는 이동거리와 관련이 없는 것으로 나타났다. 일주기 이동 범위 분석 결과$214.94m^2{\sim}3,257.19m^2$로 나타났으며 주로 수변부에 국한되어 있는 것으로 확인되었다. 이와 같은 결과는 쏘가리 방류사업, 혹은 복원에 유용한 자료로 활용될 수 있을 것으로 판단된다.

Keywords

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