DISTRIBUTION OF BENTHIC FORAMINIFERA AND ITS BEARING ON MARINE ENVIRONMENTAL FACTORS IN THE NORTH YELLOW SEA SURFACE SEDIMENTS

SUN Rongtao; LI Tiegang; CHANG Fengming

doi:10.3724/SP.J.1140.2009.04021

2009 Vol. 29, No. 4

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Article navigation > Marine Geology & Quaternary Geology > 2009 > 29(4): 21-28

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SUN Rongtao, LI Tiegang, CHANG Fengming. DISTRIBUTION OF BENTHIC FORAMINIFERA AND ITS BEARING ON MARINE ENVIRONMENTAL FACTORS IN THE NORTH YELLOW SEA SURFACE SEDIMENTS[J]. Marine Geology & Quaternary Geology, 2009, 29(4): 21-28. doi: 10.3724/SP.J.1140.2009.04021

Citation:

SUN Rongtao, LI Tiegang, CHANG Fengming. DISTRIBUTION OF BENTHIC FORAMINIFERA AND ITS BEARING ON MARINE ENVIRONMENTAL FACTORS IN THE NORTH YELLOW SEA SURFACE SEDIMENTS[J]. Marine Geology & Quaternary Geology, 2009, 29(4): 21-28. doi: 10.3724/SP.J.1140.2009.04021

DISTRIBUTION OF BENTHIC FORAMINIFERA AND ITS BEARING ON MARINE ENVIRONMENTAL FACTORS IN THE NORTH YELLOW SEA SURFACE SEDIMENTS

1 School of Resources & Environment Engineering, Shandong University of Technology, Zibo 255049, China;
2 Key Laboratory of Marine Geology and Environment, Chinese Academy of Sciences, Qingdao 266071, China

Received Date: 30 May 2009

Revised Date: 10 June 2009

Abstract

Abstract

302 surficial sediment samples obtained from the North Yellow Sea in August 2006 were selected to study the distribution of benthic foraminifera and its relation to the modern marine environment. The benthic foraminiferal fauna was mainly composed of species with high tolerance towards low temperature and low salinity. Moreover, percentages of species were obviously larger than in other Chinese seas. 56 species/genera with relatively high abundances were chosen to carry out Q-mode factor analysis, 5 varimax factors were obtained, and they explain 84% of the total variance. Correlations between these factors and environmental parameters were established by mutual comparison. and told us that the sediment granularity is the most important environmental factor controlling the distribution of foraminifera in the North Yellow Sea,and the second are the sea water temperature and salinity.Water depth showed indistinct influence on the distribution of foraminifera.
- benthic foraminifera /
- marine environment /
- North Yellow Sea

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References

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