杭州湾表层沉积物中有孔虫分布特征及其环境意义

李小艳; 石学法; 程振波; 朱志伟; 吴永华; 石丰登

doi:10.3724/SP.J.1140.2015.01121

杭州湾表层沉积物中有孔虫分布特征及其环境意义

李小艳^1,2,
石学法^1,2,
程振波^1,2,
朱志伟^1,2,
吴永华^1,2,
石丰登^1,2

LI Xiaoyan, SHI Xuefa, CHENG Zhenbo, ZHU Zhiwei, WU Yonghua, SHI Fengdeng

基金项目:

"908"专项CJ09区块海底底质调查与研究项目(908-01-CJ09)

海洋局一所基本科研业务费专项资金项目(GY02-2011G23)

国家自然科学基金项目(41006038)

详细信息

作者简介:
李小艳(1979-),女,助理研究员,主要从事微体古生物学、古环境方面研究。E-mail:lixiaoyan@fio.org.cn

中图分类号: P736.22
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出版历程
- 收稿日期: 2014-03-09
- 修回日期: 2014-04-04

DISTRIBUTION OF FORAMINIFERA IN SURFACE SEDIMENTS OF THE HANGZHOU BAY AND ITS ENVIRONMENTAL IMPLICATION

1. Laboratory of Marine Sedimentology and Environmental Geology, SOA, Qingdao 266061, China;

摘要

摘要: 对杭州湾海域239个表层沉积物样品进行了有孔虫鉴定分析,共鉴定出底栖有孔虫71种,浮游有孔虫6种。研究结果表明杭州湾表层沉积物中有孔虫丰度值偏低,最高丰度仅41枚/克干样,且以底栖有孔虫占绝对优势,浮游有孔虫很少;杭州湾表层沉积物中的有孔虫以异地搬运沉积为主,主要以广盐广适的属种和小个体的海相属种为优势种,如Ammonia beccarii,Ammonia annectens,Quinqueloculia lamarckiana,Elphidium advenum,Spiroloculina communis,Pararotalia nipponica,Poroeponides lateralis等;并根据属种分布特征划分了两个底栖有孔虫组合分区。
- 底栖有孔虫 /
- 表层沉积物 /
- 海洋环境 /
- 杭州湾
Abstract: A total of 239 surface sediment samples from the Hangzhou Bay were quantitatively analyzed for foraminifera. 71 benthic foraminifera species and 6 planktonic foraminifera species have been found in these samples. The results show that foraminifera abundance in the surface sediments of Hangzhou Bay is low and the maximum only 41/g dry sample. Benthic foraminifera dominate the sample and planktonic foraminifera are rare. The foraminifera, dominated by euryhalinous and eurytopic species, are mainly re-transported allochthonous small species, such as Ammonia beccarii,Ammonia annectens,Quinqueloculia lamarckiana,Elphidium advenum,Spiroloculina communis,Pararotalia nipponica,Poroeponides lateralis. According to the distribution pattern of dominant benthic foraminifera, two assemblages recognized.
- benthic foraminifera /
- surface sediments /
- marine environment /
- Hangzhou Bay

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参考文献(10)

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