Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Length-weight Relationship for Zacco koreanus in the National Park of Korea -A case of Sobaeksan, Songnisan and Gayasan -

국립공원에 서식하는 참갈겨니의 전장-체중 상관관계 -소백산, 속리산, 가야산국립공원을 대상으로-

  • 이승록 (국립공원관리공단 국립공원연구원) ;
  • 박세권 (서남대학교 의과대학) ;
  • 주현수 (서남대학교 의과대학)
  • Received : 2013.05.23
  • Accepted : 2013.06.17
  • Published : 2013.09.30
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Abstract

Population characteristics of Zacco koreanus were investigated at 4 stations in three National Parks of Korea from April to October 2012. Total length ranged 47mm~160 mm and weight ranged 0.50~41.50 g. Parameter b values in length-weight relationships ranged 2.883~3.497, which represent favorable conditions for habitation. Condition factor (K) had the range from 0.689 to 1.012. In relationships with sympatric fishes, the length-weight relationship (b) revealed inverse proportion to the number of species and populations. It is suggested that these differences resulted from the various factors including sympatric fishes, water temperature, seasonal changes, and surveyed stations.

2012년 4월부터 10월까지 국립공원 4개 지점에서 참갈겨니 개체군 특징을 조사하였다. 각 조사지역에서 전장과 체중의 범위는 47~160 mm와 0.50~41.50 g이었다. 전장-체중 상관관계에서 매개변수 b값의 범위는 2.883~3.497로 나타나 서식환경은 비교적 양호한 것으로 나타났다. 비대지수 (K)의 범위는 0.689~1.012이었고, 기울기는 0.0009~0.0024의 범위로 모두 양의 값을 보였다. 참갈겨니 개체군과 동서어종과의 관계에서 매개 변수 b값은 종수와 개체수에 반비례하는 것으로 나타났다. 결과적으로 국립공원에 서식하는 참갈겨니 개체군은 동서어종, 수온, 계절변화, 조사지점의 변화 같은 다양한 요인에 의해 b값과 비대지수에 차이를 보이는 것으로 추측된다.

Keywords

References

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