| 环境因素对长寿湖底泥释磷影响的模拟实验研究 |
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| 引用本文： | 周欣,郭海涛,张进忠,徐金祥,徐卫红.环境因素对长寿湖底泥释磷影响的模拟实验研究[J].环境工程学报,2013,7(5):1671-1675. |
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| 作者姓名： | 周欣 郭海涛 张进忠 徐金祥 徐卫红 |
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| 作者单位： | 1. 西南大学资源环境学院/三峡库区生态环境教育部重点实验室,重庆,400715
2. 西南大学资源环境学院/三峡库区生态环境教育部重点实验室,重庆 400715;重庆市农业资源与环境重点实验室,重庆 400716 |
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| 基金项目： | 公益性行业(农业)科研专项经费资助项目(200903056);现代农业产业技术体系建设专项(NYCYTX-35-GW16) |
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| 摘 要： | 肥水养殖显著增加了长寿湖底泥中的磷含量。为了解肥水养殖积累在湖泊底泥中磷的释放情况,以长寿湖大坝口枯水期底泥为实验材料,模拟研究了不同环境条件(上覆水pH、温度、DO含量和扰动)下湖泊底泥的释磷特征。结果表明,在弱碱性条件下,底泥释磷量随上覆水pH的升高而升高;温度升高有利于底泥磷的释放,温度每升高5℃,第21天时底泥释磷量增大0.0045～0.0074 mg/L;DO含量降低有利于底泥中铁/铝结合态磷的释放;扰动对底泥磷的释放没有明显影响。研究表明,网箱养殖增加了底泥中的有机磷含量,促进有机磷向无机磷转化,增大了底泥中磷的释放风险。
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| 关 键 词： | 长寿湖 底泥 磷释放 环境因素 模拟实验 |
Simulated study on phosphorus release from sediment in Changshou Lake influenced by environmental factors |
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| Zhou Xin,Guo Haitao,Zhang Jinzhong,Xu Jinxiang and Xu Weihong.Simulated study on phosphorus release from sediment in Changshou Lake influenced by environmental factors[J].Techniques and Equipment for Environmental Pollution Control,2013,7(5):1671-1675. |
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| Authors: | Zhou Xin Guo Haitao Zhang Jinzhong Xu Jinxiang and Xu Weihong |
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| Institution: | 1. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, College of Resources and Environment, Southwest University, Chongqing 400715, China;1. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, College of Resources and Environment, Southwest University, Chongqing 400715, China;1. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, College of Resources and Environment, Southwest University, Chongqing 400715, China;2. Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing 400716, China;1. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, College of Resources and Environment, Southwest University, Chongqing 400715, China;1. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, College of Resources and Environment, Southwest University, Chongqing 400715, China |
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| Abstract: | |
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| Keywords: | Changshou Lake sediment phosphorus release environmental factors simulation experiment |
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