抚仙湖沉积物磷释放机制浅析 |
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引用本文: | 李,蔚,冯慕华,叶长兵.抚仙湖沉积物磷释放机制浅析[J].科技风,2014(6):14-16. |
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作者姓名: | 李 蔚 冯慕华 叶长兵 |
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作者单位: | [1]玉溪师范学院,资源环境学院,云南玉溪653100 [2]湖泊与环境国家重点实验室,中国科学院南京地理与湖泊研究所,江苏南京210008 |
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基金项目: | 玉溪师范学院大学生创新创业训练计划项目项目名称抚仙湖内源磷释放初探项目级别校级项目类型创新训练项目编号2013B07 |
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摘 要: | 以抚仙湖的新鲜沉积物作为实验材料,进行内源性磷释放实验,分析沉积物上覆水及间隙水中磷酸盐含量在培养过程中随pH值、氧化还原电位(Eh)的变化情况。本研究分析结果表明,在好氧与厌氧的条件下,磷酸盐含量随pH值、Eh值的变化呈现先增后减的变化规律。然而,这样的变化规律不是pH或者Eh独立影响下产生的,而是二者共同影响下发生的。
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关 键 词: | 抚仙湖 底泥 内源性磷释放 |
Brief Analysis sediments phosphorus release mechanism of Fuxian Lake |
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Authors: | LI Wei FENG Muhua YE Changbing |
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Institution: | 1.Yu xi Normal University, College of Natural Resources and Environment, Yunnan Yu xi 653100; 2.State key Laboratory of Lake Science and Environment Nanjing Institute of Geography and Limnolo',Chinese Academy of Sciences Nanjing 210008) |
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Abstract: | FreshsedimenttoofFuxianwastakenasexperimentalmaterial,endogenousphosphorusreleaseexperimentsconductedtoanalyzetheover-lying water and sediment pore water of the phosphate content in the training process with pH, Eh changes.The present study results indicated that the phosphatecontentwithpH,Ehchangespresentedincreasefirstlyanddecreasesecondlyundertheaerobicandanaerobicconditions.however,thisisnota simplevariationwithchangesinpHorEhisbased,isthecombinedeffectofbothunderhappen. |
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Keywords: | FuxianLake sediments Internalphosphorusrelease |
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