白令海表层沉积物中硅质生物的变化及其环境控制因素

王汝建; 陈荣华

Volume 29 Issue 6

Jun. 2004

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WANG Ru-jian, CHEN Rong-hua, 2004. Variations of Siliceous Microorganisms in Surface Sediments of the Bering Sea and Their Environmental Control Factors. Earth Science, 29(6): 685-690.

Citation:

WANG Ru-jian, CHEN Rong-hua, 2004. Variations of Siliceous Microorganisms in Surface Sediments of the Bering Sea and Their Environmental Control Factors. Earth Science, 29(6): 685-690.

WANG Ru-jian, CHEN Rong-hua, 2004. Variations of Siliceous Microorganisms in Surface Sediments of the Bering Sea and Their Environmental Control Factors. Earth Science, 29(6): 685-690.

Citation:

WANG Ru-jian, CHEN Rong-hua, 2004. Variations of Siliceous Microorganisms in Surface Sediments of the Bering Sea and Their Environmental Control Factors. Earth Science, 29(6): 685-690.

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Variations of Siliceous Microorganisms in Surface Sediments of the Bering Sea and Their Environmental Control Factors

WANG Ru-jian^1
,,
CHEN Rong-hua²

1.
Laboratory of Marine Geology of MOE, Tongji University, Shanghai 200092, China
2.
Key Laboratory ofSubmarine Geoscience, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2004-04-09
Publish Date: 2004-11-25

Abstract

Abstract

Based on the quantitative studies of siliceous microorganisms and terrestrial detritus in 12 surface sediment samples, which were recovered by the First Chinese National Arctic Expedition team, in the Bering Sea, it goes without saying that diatom abundance is dominant within the microorganisms which consists of diatoms, radiolarians and sponge spicules. The relationship between the microorganisms and environmental control factors, for example, water depth, temperature and salinity are analyzed and discussed. It is evident that their abundance change and preservation are associated closely with these environmental control factors, and high surface nutrient and productivity controlled by the variations of large scale seasonal climate and input of terrestrial detritus. This investigation is very significant for the further studies on paleoclimate and paleoceanography in the Bering Sea.
- surface sediments,
- siliceous microorganism abundance,
- environmental control factor,
- the Bering Sea

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References(31)

References

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