WANG Haixia, ZHAO Quanmin, LI Tiegang, LIU Jian, JING Tianshuang, YANG Zaibao. DISTRIBUTION OF BENTHIC FORAMINIFERA IN SURFACE SEDIMENTS OF THE LIAODONG BAY AND ITS BEARING ON SEDIMENTARY ENVIRONMENTS[J]. Marine Geology & Quaternary Geology, 2011, 31(2): 87-94. DOI: 10.3724/SP.J.1140.2011.02087
Citation: WANG Haixia, ZHAO Quanmin, LI Tiegang, LIU Jian, JING Tianshuang, YANG Zaibao. DISTRIBUTION OF BENTHIC FORAMINIFERA IN SURFACE SEDIMENTS OF THE LIAODONG BAY AND ITS BEARING ON SEDIMENTARY ENVIRONMENTS[J]. Marine Geology & Quaternary Geology, 2011, 31(2): 87-94. DOI: 10.3724/SP.J.1140.2011.02087

DISTRIBUTION OF BENTHIC FORAMINIFERA IN SURFACE SEDIMENTS OF THE LIAODONG BAY AND ITS BEARING ON SEDIMENTARY ENVIRONMENTS

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  • Received Date: August 18, 2010
  • Revised Date: November 11, 2010
  • A total of 433 samples obtained from surface sediments of the Liaodong Bay were analyzed quantitatively. The benthic foraminifera fauna in the studied area was mainly composed of eurythermal-euryhaline and cool-water species.Based on the Q-mode factor analysis,four assemblages are recognized:I.Elphidium magellanicum-Nonion akitaense-Buccella frigida assemblage,Ⅱ.Ammonia beccarii var.-Quinqueloculina akneriana assemblage,Ⅲ.Cribrononion vitreum-Buccella frigida-Protelphidium tuberculatum assemblage,and Ⅳ.Ammoina annectens-Buccella frigida assemblage.Data suggest that the benthic foraminiferal distribution is closely related to the sedimentary environments under the control of temperature, salinity,sediment type and alongshore currents.
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