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| 鱼塘生态系统中重金属的迁移转化特征研究 | |
| 引用本文： | 马桂云,严少华,韩士群,唐婉莹.鱼塘生态系统中重金属的迁移转化特征研究[J].水产科学,2006,25(1):19-22. |
| 作者姓名： | 马桂云 严少华 韩士群 唐婉莹 |
| 作者单位： | 1. 盐城师范学院,化学系,江苏,盐城,224002 2. 江苏省农业科学院,特种水产研究开发中心,江苏,南京,210014 3. 南京理工大学,化工学院,江苏,南京,210094 |
| 基金项目： | 江苏省农业科学院资助项目 |
| 摘 要： | 研究了3个月内试验鱼塘中水、藻类、底泥、鱼类(鲫鱼和鲢鱼)组成的生态系统中Cu、Pb的迁移转化、积累特征。结果表明,重金属喷施入水后,鱼塘水体对Cu、Pb均具有明显的自净能力;相应地藻类中的Cu、Pb的变化也呈下降趋势;而底泥中Pb、Cu的含量呈逐渐升高。鲫鱼和鲢鱼相同器官组织对Cu、Pb的吸收积累存在着差异。由底泥、水体、藻类和鱼类组成的鱼塘生态系统中,重金属可通过沉积、释放、积累、排泄等复杂过程构成其在生态系统内的迁移转化。 |
| 关 键 词： | 鱼塘生态系统 重金属 迁移 转化 |
| 文章编号： | 1003-1111(2006)01-0019-04 |
| 收稿时间： | 2005-04-04 |
| 修稿时间： | 2005-07-07 |
The Characteristics of Movement and Transformation of Heavy Metals in Fishpond Ecosystem |
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| MA Gui-yun,YAN Shao-hua,HAN Shi-qun,TANG Wan-ying.The Characteristics of Movement and Transformation of Heavy Metals in Fishpond Ecosystem[J].Fisheries Science,2006,25(1):19-22. | |
| Authors: | MA Gui-yun YAN Shao-hua HAN Shi-qun TANG Wan-ying |
| Institution: | 1. Department of Chemistry, Yancheng Normal College, Yancheng 224002, China; 2. Research Center for Special Aquatic Product, Jiangsu Academy of Agricultural Science, Nanjing 210014, China;3. School of Chemical Engineering, Nanjing Uni- versity of Science and Technology, Nanjing 210094, China |
| Abstract: | The characteristics of movement,transformation and accumulation of Cu and Pb in a fishpond ecosystem composed of sediment,water,algae and fish(crucian carp,Carassius auratus and silver carp,Hypophthalmichthys molitrix) were studied for three months.The results showed that the fishpond water absorbed Pb and Cu after the heavy metals were sprayed into the water;Cu and Pb concentrations in algae dropped;and Cu and Pb concentrations increased in the sediment gradually.The accumulation of Cu and Pb in the same tissue was different between crucian carp and silver carp.In the fishpond ecosystem,heavy metals moved and transformed by a complicated process such as aggradation,release,accumulation and excretion. |
| Keywords: | fishpond ecosystem heavy metal movement transformation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |