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Foraminiferal Characteristics in Mud Deposits of the Southeastern Margin of Korea
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  • Journal title : Ocean and Polar Research
  • Volume 28, Issue 2,  2006, pp.67-78
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2006.28.2.067
 Title & Authors
Foraminiferal Characteristics in Mud Deposits of the Southeastern Margin of Korea
Woo, Han-Jun; Choi, Jae-Ung;
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Six surface sediments from two offshore transects of Ulsan and Gampo, on the southeastern margin of Korea were taken for sediment and foraminiferal analyses. Sedimentary processes are dominated by reworking and resedimentation from storms in the area off Ulsan and hemipelagic suspension settling in the area off Gampo. Eighty-four foraminiferal species were identified in total assemblages, including 33species of living populations and 9 species of planktonic foraminifera. The characteristics of foraminifera showed differences of offshore environments between Ulsan and Gampo. The number of living species, species diversity and equitability in Gampo offshore area had higher values than those in Ulsan offshore area. However, planktonic/benthic(P/B) ratio showed higher in the Ulsan offshore area. The species diversity indices and P/B ratio indicated that environmental stability and surface-ocean productivity in the Gampo offshore area were relatively higher than the Ulsan offshore area. The difference of species compositions is useful for interpreting the paleoenvironments in mud deposits of the southeastern margin of Korea.
southeastern margin of Korea;sediments;foraminifera;surface-ocean productivity;
 Cited by
여자만 코어 퇴적물에서 나타나는 저서성 유공충 군집 변화: 홀로세 후기 해수면 변화 의의,장석훈;정다운;이연규;

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