黄海、渤海沉积物中生物硅的测定及存在问题的讨论

叶曦雯; 刘素美; 张经

黄海、渤海沉积物中生物硅的测定及存在问题的讨论

青岛海洋大学化学化工学院, 山东, 青岛, 266003

基金项目: 国家重点基金研究资助项目(G1999043705);国家自然科学基金资助项目(49736190);山东省自然科学基金资助项目(Y98E06077)

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出版历程
- 收稿日期: 2000-10-08
- 修回日期: 2001-03-13

Ditermination of biogenic opal in sediment of the Huanghai and Bohai Sea and questions in the method

College of Chemistry and Chemical English Ocean University of Qingdao, Qingdao 266003, China

摘要

摘要: 硅是水生态系统中构成生物群落的重要元素^[1].海洋中硅主要来源于河流输入(4.2±0.8)×10¹⁴g/a和热液喷发(1.9.77;10)×10¹⁴g/a^[2].另外冰川风化、低温海底玄武岩风化、沉积物的成岩作用和大气沉降亦是其来源之一^[3].沉积物中的生物硅又称生物蛋白石(简称蛋白石),指化学方法测定的无定形硅的含量,主要由硅藻、放射虫、硅鞭毛虫和海绵骨针组成.沉积物中蛋白石的积累反映了生产力在时间和空间尺度的变化^[4,5].对于生物硅的测定,至今已提出了许多种方法.其中最灵敏、应用最广泛的是化学提取法^[6,7].
- 黄海 /
- 渤海 /
- 沉积物 /
- 生物硅 /
- 存在问题
- the Huanghai Sea /
- the Bohai Sea /
- sediment /
- biogenic opal /
- questions

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参考文献(21)

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