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Diatom analysis from the archaeological sites in around Yongseong-ri, Gimje

김제시 용성리 일대 유적지에서의 규조 분석

  • Young-Suk Bak (Department of Earth and Environmental Sciences, Chonbuk National University) ;
  • Seon Tae Kim (Department of Earth and Environmental Sciences, Chonbuk National University) ;
  • Keum-nim Koh (Jeolla Research Institute of Cultural Heritage)
  • 박영숙 (전북대학교 지구환경과학과) ;
  • 김선태 (전북대학교 지구환경과학과) ;
  • 고금님 (전라문화유산연구원)
  • Received : 2017.11.13
  • Accepted : 2017.12.27
  • Published : 2017.12.31

Abstract

A total of 23 specimens were collected from the trench sections of the archaeological area, around Yongseong-ri, Buryang-myeon, Gimje. The diatoms identified to 61 species belonging to 32 genera and species diversity and abundance were very few. Three diatom assemblage zones were set up according to the vertical assemblage of each horizons, the absolute abundance of diatoms and the distribution of indicator species. In diatom assemblage zone I, marine species was mainly occurred. Because the marine species is not reported in study of the adjacent area, it is valuable data on sea-water inflow. In diatom assemblage zone II, the yield of brackish and freshwater species are abundant, indicating that the brackish water environment was caused by the influx of freshwater. In diatom assemblage zone III, the yield of freshwater species is high and species of genus Eunotia are mainly occurred. It is considered that they are deposited in wet soil environment where freshwater inflows occasionally.

김제시 부량면 용성리 일대 유적 발굴 지역의 트렌치 단면으로부터 총 23개의 시료를 채취하여 규조를 분석하였다. 총 32속 61종의 규조를 감정하였으며, 종 다양성과 개체 수는 매우 적었다. 각 층준의 군집 조성과 규조 절대 개체 수 및 환경지시종의 분포에 의해서 3개의 군집대를 설정하였다. 규조분대 I에서는 해수종이 주로 산출되었으며, 인접한 지역에서는 해수종의 산출이 보고되지 않았기 때문에 이는 해수유입에 대한 귀중한 자료가 된다. 규조분대 II에서는 기수종과 담수종의 산출이 풍부하여 담수의 유입으로 인한 기수 환경이었음을 알려준다. 규조분대 III에서는 담수종의 산출이 많고, 그 중 Eunotia속에 포함되는 종들이 주로 산출되는 것으로 보아 담수의 유입이 있는 습윤한 토양 환경에서 퇴적되었다.

Keywords

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