| 珠江口外表层沉积物底栖有孔虫组合及其与环境的关系 |
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| 引用本文： | 李涛,向荣,李团结.珠江口外表层沉积物底栖有孔虫组合及其与环境的关系[J].热带海洋学报,2011(4). |
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| 作者姓名： | 李涛 向荣 李团结 |
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| 作者单位： | 国家海洋局南海工程勘察中心;中国科学院南海海洋研究所; |
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| 基金项目： | 我国近海海洋综合调查与评价专项(908-01-CJ14) |
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| 摘 要： | 对珠江口外CJ14区块250个站位的表层沉积物进行底栖有孔虫分析,共发现底栖有孔虫118种,其中玻璃壳质80种,瓷质壳质21种,胶结壳质17种。有孔虫丰度基本随水深变深而增大。为研究底栖有孔虫分布与沉积环境之间的关系,对底栖有孔虫含量进行Q型因子分析,并选取前4个主因子,分别对应4个有孔虫组合。它们总共解释了总方差的86.2%,基本上反映了沉积物中有孔虫的群落结构。研究表明,水深和盐度是影响珠江口表层沉积物中有孔虫组合分布的控制因素,其他影响因素主要包括沉积物类型、水动力条件和沉积速率。水动力条件主要影响有孔虫的含量;沉积速率主要影响有孔虫的丰度。
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| 关 键 词： | 珠江口外 表层沉积物 底栖有孔虫 Q型因子分析 |
Benthic foraminiferal assemblages in surface sediments off the Pearl River Estuary and their environmental implications |
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| LI Tao,XIANG Rong,LI Tuan-jie .South China Sea Marine Engineering Surveying Center,SOA,Guangzhou ,China,.South China Sea Institute of Oceanology,CAS,Guangzhou.Benthic foraminiferal assemblages in surface sediments off the Pearl River Estuary and their environmental implications[J].Journal of Tropical Oceanography,2011(4). |
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| Authors: | LI Tao XIANG Rong LI Tuan-jie South China Sea Marine Engineering Surveying Center SOA Guangzhou China South China Sea Institute of Oceanology CAS Guangzhou |
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| Institution: | LI Tao1,XIANG Rong2,LI Tuan-jie1 1.South China Sea Marine Engineering Surveying Center,SOA,Guangzhou 510300,China,2.South China Sea Institute of Oceanology,CAS,Guangzhou 510301 |
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| Abstract: | The authors selected 250 surface sediments from the sample stations at the CJ14 Block off the Pearl River Estuary to study benthic foraminifer.A total of 118 species were identified,including 80 species of hyaline shell,21 species of porce-laneous shell,and 17 species of agglutinated shell.The abundance of foraminifer groups increased with water depth.In order to reveal the relationship between foraminifer distribution and marine environment,Q-mode factor analysis was carried out.The results showed that fou... |
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| Keywords: | Pearl River Estuary surface sediment benthic foraminifera Q-mode factor analysis |
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