Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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A Preliminary Study for the Distribution of Rocky Intertidal Fauna in the Korean Coastal Areas of the East Sea including Dokdo and Ulleungdo

독도.울릉도 및 동해안 암반조간대 무척추동물상의 분포 연구를 위한 예비연구

  • 차재훈 ((주)국토해양환경기술단 부설 환경모니터링연구소) ;
  • 김미경 (영남대학교 해양과학연구센터)
  • Received : 2013.08.26
  • Accepted : 2013.09.07
  • Published : 2013.09.30
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Abstract

To study the characteristics of rocky intertidal invertebrate fauna on the coastal areas of the East Sea, seven regions including Dokdo, Ulleungdo, Gyeongju, Pohang, Yeongdeok, Uljin, and Gangwondo, the common species ratio (%) and similarity index using Bray-Curtis similarity matrix were calculated. The contributed species for dissimilarity between Dokdo and the other East Sea's coastal areas were selected by using SIMPER. The common species ratio and the cluster analysis showed that Ulleungdo presented the highest similarity. However, Yeongdeok showed the highest similarity in the eastern costal areas, and Gangwondo showed the lowest one. However the cluster analysis revealed the discrimination of the rocky intertidal invertebrate community on Dokdo with others region caused by the particularity of rocky shores exposed to strong wave action and by the particular distribution of rocky intertidal invertebrate fauna in Dokdo.

동해안의 암반조간대 무척추동물상의 분포 특성을 연구하기 위하여 독도를 비롯한 울릉도, 경상북도의 경주, 포항, 영덕, 울진 그리고 강원도 등 총 19개 정점의 암반 조간대무척추동물상을 조사하여 출현종의 유사도를 공통종의 출현비율 (%)과 Bray-Curtis similarity matrix를 이용한 집괴분석과 MDS를 이용하여 분석하였으며 SIMPER를 이용하여 독도와 그 외의 동해안 암반저서 무척추동물의 특징종을 선출하였다. 공통종의 출현비와 집괴분석결과, 가장 가까이 위치한 울릉도를 제외하면, 경상북도의 영덕이 가장 높은 유사도를 보였으나, 전체적으로 독도 암반저서생태계는 다른 동해안 연안과 차이를 보인 것으로 나타났다.

Keywords

References

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