珠江口硒的形态分布特征

姚庆祯; 张经; 简慧敏

珠江口硒的形态分布特征

1.
上海水产大学生命科学与技术学院, 上海 200090;华东师范大学河口海岸国家重点实验室, 上海 200062
2.
华东师范大学河口海岸国家重点实验室, 上海 200062;中国海洋大学化学化工学院, 山东青岛 266003
3.
上海水产大学生命科学与技术学院, 上海 200090

基金项目: 国家自然科学基金资助项目(90211009;40406017)

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出版历程
- 收稿日期: 2004-04-19
- 修回日期: 2005-07-18

The speciation and distribution of selenium in the Zhujiang Estuary

1.
Fish College, Shanghai Fisheries University, Shanghai 200090, China;State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
2.
State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China;College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China
3.
Fish College, Shanghai Fisheries University, Shanghai 200090, China

摘要

摘要: 硒属于硫族元素,在化学和生物化学性质上,硒与硫、碲相似.它和砷一样也是一种类金属物质.硒广泛存在于自然界中,岩石、土壤、沉积物、水体、生物体以及大气环境都含有不同程度的硒.硒是生物必需的一种微量元素,一方面表现出重要的生物功能,另一方面在较高浓度下也表现出毒性,摄入过多可导致动物和人硒中毒^[1].在陆源硒向海洋的输送中河流占重要贡献,河流可能是溶解硒输入海洋的主要来源^[2,3].河口区是陆地径流与海水相互混合的地带,其中发生的反应直接影响元素的入海通量,因此研究河口化学元素的行为对估计河流向海洋的输入及建立全球生物地球化学循环模型有十分重要的意义.
- 珠江口 /
- 溶解态无机硒 /
- 行为
- selenium /
- behavior /
- Zhujiang Estuary

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参考文献(17)

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