A 2200-year Record of Seabird Population on Ganquan Island, South China Sea
基金项目:

This work was funded by National Natural Science Foundation of China (No. 40730107), the National Basic Research Program of China (973 Program, No. 2010CB428902), Knowledge Innovation Program of CAS (KZCX2-EW-QN50), Ph.D. Programs Foundation of the Ministry of Education of China for new teachers (20093402120004) and the Fundamental Research Funds for the Central Universities (WK2060190007).


A 2200-year Record of Seabird Population on Ganquan Island, South China Sea
Author:
  • XU Liqiang

    XU Liqiang

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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  • LIU Xiaodong

    LIU Xiaodong

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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  • SUN Liguang

    SUN Liguang

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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  • YAN Hong

    YAN Hong

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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  • LIU Yi

    LIU Yi

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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  • LUO Yuhan

    LUO Yuhan

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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  • HUANG Jing

    HUANG Jing

    1 Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China;2 University of Science and Technology of China-City University of Hong Kong Joint Advanced Research Center, Suzhou, Jiangsu 215123, China
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Fund Project:

This work was funded by National Natural Science Foundation of China (No. 40730107), the National Basic Research Program of China (973 Program, No. 2010CB428902), Knowledge Innovation Program of CAS (KZCX2-EW-QN50), Ph.D. Programs Foundation of the Ministry of Education of China for new teachers (20093402120004) and the Fundamental Research Funds for the Central Universities (WK2060190007).

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    摘要:

    Geochemical characteristics of a 107 cm long sediment profile, collected from Ganquan Island, South China Sea, were analyzed. Based on concentrations of bio-elements (Cu, Zn, Cd, Ba, As, Se, P), 210Pb and AMS14C dating, we reconstructed seabird population of Ganquan Island over the past 2200 years. Seabirds inhabited this island more than 2200 years ago, and their population displayed remarkable fluctuations with two peaks around 2100–1850 yr BP and 900–300 yr BP, respectively. The seabird population change profile on Ganquan Island is similar to that on Dongdao Island over the past 1800 years. We examined the relationship between the seabird population and climate, and found it quite complicated. The seabird population did not reach the maximum during the Medical Warm Period (MWP) with relatively high average temperature; however, it remained near the peak value for about 600 years during the climatic transition period and the Little Ice Age (LIA), indicating that a relatively cool climate is favorable for seabirds on Ganquan Island.

    Abstract:

    Geochemical characteristics of a 107 cm long sediment profile, collected from Ganquan Island, South China Sea, were analyzed. Based on concentrations of bio-elements (Cu, Zn, Cd, Ba, As, Se, P), 210Pb and AMS14C dating, we reconstructed seabird population of Ganquan Island over the past 2200 years. Seabirds inhabited this island more than 2200 years ago, and their population displayed remarkable fluctuations with two peaks around 2100–1850 yr BP and 900–300 yr BP, respectively. The seabird population change profile on Ganquan Island is similar to that on Dongdao Island over the past 1800 years. We examined the relationship between the seabird population and climate, and found it quite complicated. The seabird population did not reach the maximum during the Medical Warm Period (MWP) with relatively high average temperature; however, it remained near the peak value for about 600 years during the climatic transition period and the Little Ice Age (LIA), indicating that a relatively cool climate is favorable for seabirds on Ganquan Island.

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XU Liqiang, LIU Xiaodong, SUN Liguang, YAN Hong, LIU Yi, LUO Yuhan, HUANG Jing.2011. A 2200-year Record of Seabird Population on Ganquan Island, South China Sea[J]. ACTA GEOLOGICA SINICA(English edition),85(4):957~967

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  • 收稿日期:2011-01-01
  • 最后修改日期:2011-03-30
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