首页|Distribution of transparent exopolymer particles and their response to phytoplankton community structure changes in the Amundsen Sea, Antarctica

Distribution of transparent exopolymer particles and their response to phytoplankton community structure changes in the Amundsen Sea, Antarctica

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To understand the response of transparent exopolymer particles (TEP) to the changes in phytoplankton communities caused by melting sea ice, we collected samples from the polynya and open ocean affected by the Antarctic circumpolar current in the Amundsen Sea. TEP, pigments, and other environmental factors were analyzed. The results showed that high TEP content was mainly found in the polynya, and was higher in the surface layer than in the deep layer. The main factor that affected TEP distribution was the phytoplankton community. In the polynya area, the phytoplankton were dominated by low-iron Haptophyta. In the Antarctic circumpolar current region affected by ice-melting water, the dominant species was diatom type Ⅱ. Our results revealed that low-iron Haptophyta may be the main contributors to TEP content.

transparent exopolymer particlesAmundsen Seaimpact of sea icephytoplankton

XUE Siyou、HU Ji、FENG Yubin、LI Dong、ZHANG Haifeng、ZHAO Jun、HAN Zhengbing、YU Peisong、PAN Jianming

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Key Laboratory of Marine Ecosystem Dynamics,Second Institute of Oceanography,Ministry of Natural Resources(MNR),Hangzhou 310000,China

National Polar Special ProgramNational Polar Special ProgramNational Polar Special ProgramNational Polar Special ProgramNational Polar Special Program

IRASCC 02-02-0102-02-0302-02-0402-02-05

2022

10.13679/j.advps.2021.0034

极地科学进展(英文版)
中国极地研究中心,国家海洋局极地考察办公室 (Polar Research Institute of China, Chinese Arctic and Antarctic Administration)

极地科学进展(英文版)

CSCD
影响因子：0.145
ISSN：1674-9928
年,卷(期)：2022.33(1)
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