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Surface sediment diatoms from the western Pacific marginal seas and their correlation to environmental variables

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【作者】 黄玥； 蒋辉； Svante Bjrck； 李铁刚； 吕厚远； 冉莉华；

【Author】 HUANG Yue,JIANG Hui,Svante Bjrck,LI Tiegang,LU Houyuan,RAN Lihua Key Laboratory of Geographic Information Science,East China Normal University,Shanghai 200062,China GeoBiosphere Science Centre,Quaternary Sciences,Lund University,Slveg.12,SE-223 62 Lund,Sweden Key Laboratory of Marine Geology and Environment,Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China

【机构】 Key Laboratory of Geographic Information Science,East China Normal University； GeoBiosphere Science Centre,Quaternary Sciences,Lund University； Key Laboratory of Marine Geology and Environment,Institute of Oceanology,Chinese Academy of Sciences； Institute of Geology and Geophysics,Chinese Academy of Sciences；

【摘要】 Diatom data of 192 surface sediment samples from the marginal seas in the western Pacific together with modern summer and winter sea surface temperature and salinity data were analyzed.The results of canonical correspondence analysis show that summer sea-surface salinity(SSS) is highly positively correlated with winter SSS and so is summer sea-surface temperature(SST) with winter SST.The correlations between SSSs and SSTs are less positively correlated,which may be due to interactions of regional current pattern and monsoon climate.The correlations between diatom species,sample sites and environmental variables concur with known diatom ecology and regional oceanographic characters.The results of forward selection of the environmental variables and associated Monte Carlo permutation tests of the statistical significance of each variable suggest that summer SSS and winter SST are the main environmental factors affecting the diatom distribution in the area and therefore preserved diatom data from down core could be used for reconstructions of summer SSS and winter SST in the region.

【Abstract】 Diatom data of 192 surface sediment samples from the marginal seas in the western Pacific together with modern summer and winter sea surface temperature and salinity data were analyzed.The results of canonical correspondence analysis show that summer sea-surface salinity(SSS) is highly positively correlated with winter SSS and so is summer sea-surface temperature(SST) with winter SST.The correlations between SSSs and SSTs are less positively correlated,which may be due to interactions of regional current pattern and monsoon climate.The correlations between diatom species,sample sites and environmental variables concur with known diatom ecology and regional oceanographic characters.The results of forward selection of the environmental variables and associated Monte Carlo permutation tests of the statistical significance of each variable suggest that summer SSS and winter SST are the main environmental factors affecting the diatom distribution in the area and therefore preserved diatom data from down core could be used for reconstructions of summer SSS and winter SST in the region.

【关键词】 diatoms； the western Pacific marginal seas； environmental variables； summer sea surface salinity； winter sea surface temperature；
【Key words】 diatoms； the western Pacific marginal seas； environmental variables； summer sea surface salinity； winter sea surface temperature；
【基金】 Supported by the support by the NSFC (No 40676027);the Fund for Creative Research Groups of China (No 40721004);the 111 Project (No B08022)
  • 【文献出处】 Chinese Journal of Oceanology and Limnology ,中国海洋湖沼学报(英文版) , 编辑部邮箱 ,2009年03期
  • 【分类号】P736.21
  • 【被引频次】8
  • 【下载频次】108
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