Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Correlations between Cell Abundance, Bio-volume and Chlorophyll $a$ Concentration of Phytoplankton Communities in Coastal Waters of Incheon, Tongyeong and Ulsan of Korea

식물플랑크톤 군집의 개체수, 생체량, chlorophyll $a$의 상관성; 인천, 통영, 울산 해역을 중심으로

  • Received : 2011.10.28
  • Accepted : 2011.11.12
  • Published : 2011.11.30
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Abstract

In order to estimate a better methodological factor to understand phytoplankton ecology between abundance and bio-volume of phytoplankton, each 1,160 phytoplankton data, including abundance, classification and chlorophyll $a$ concentration were collected in Korean coastal waters of Incheon (Yellow sea), Tongyeong (South sea), and Ulsan (East sea). Based on these data, phytoplankton bio-volume can be calculated through a geometric model. The correlation coefficient between abundance and chlorophyll $a$ concentration was higher than the coefficient between biovolume and chlorophyll $a$ concentration, because a small size phytoplankton has relatively dense chlorophyll contents compared with the proportion of chlorophyll in a large size phytoplankton. Thus, the interpretation using abundance to understand phytoplankton ecology in Korean coastal waters may be more effective than that using bio-volume.

본 연구는 해양 식물플랑크톤의 개체수 및 생체량과 chlorophyll $a$ 농도간의 연관성을 파악하기 위하여 2000년부터 2010년까지 인천, 통영, 울산 해역의 34개 정점에서 1160개 시료를 분석하였다. 연구결과 개체수와 chlorophyll $a$ 농도가 생체량과 chlorophyll $a$ 농도보다 높은 상관성을 보여 우리나라 연안해역에서는 1차 생산의 분석에 있어서 개체수 지표를 사용하는 것이 생체량을 사용하는 것보다 더 효율적일 것으로 판단된다. 그러나 좀 더 자세한 결과를 도출하기 위해서는 시기별로 보다 많고, 정확한 생체량 데이터를 확보하고, 시기별 chlorophyll 함량 자료의 축적과 함께 국내 연안에서 적용 가능한 모델 구축이 반드시 필요하다.

Keywords

References

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