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太湖底泥及其间隙水中氮磷垂直分布及相互关系分析
引用本文:范成新,杨龙元,张路.太湖底泥及其间隙水中氮磷垂直分布及相互关系分析[J].湖泊科学,2000,12(4):359-366.
作者姓名:范成新  杨龙元  张路
作者单位:中国科学院南京地理与湖泊研究所,南京 210008
基金项目:中国科学院资源环境“九五”重点项目!(KZ95 2 -J1- 2 2 0 ),江苏省自然科学重点基金项目!(BK992 0 4- 2 )资助
摘    要:对太湖主要湖区柱状样底泥的总氮、总磷含量及其间隙水铵态氮(NH^+4-N)、磷酸根磷(PO^3-4-P)和二价铁Fe(II)含量进行了分析,并对底泥和间隙水中相应物质含量进行了比较,结果表明:太湖近表层10cm内底泥TN、TP赋存含量较之下层高12%-20%左右,间隙水中PO^3+4-P和NH^+4-N含量随浓度增加而大致呈上升趋势,表层未见高浓度层存在,各湖区底泥间隙水中PO^3+4-P和NH^

关 键 词:    垂直分布  太湖  间隙小  底泥  相关分析
收稿时间:2000/1/20 0:00:00
修稿时间:2000年1月20日

The Vertical Distributions of Nitrogen and Phosphorus in the Sediment and Interstitial Water in Taihu Lake and Their Interrelations
FAN Chengxin,YANG Longyuan and ZHANG Lu.The Vertical Distributions of Nitrogen and Phosphorus in the Sediment and Interstitial Water in Taihu Lake and Their Interrelations[J].Journal of Lake Science,2000,12(4):359-366.
Authors:FAN Chengxin  YANG Longyuan and ZHANG Lu
Institution:Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P.R.China,Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P.R.China and Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P.R.China
Abstract:The contents of nitrogen and phosphorus and ferrous in the column sediments and their interstitial water were analyzed and compared in the main regions of Taihu Lake in 1998. The resultsshow that the upper layer(0-10cm) contained higher contents in TN and TP and than the lower. And NH4-N and PO4-P in the interstitial water are a bit higher in theseriously-polluted waters than those in the gently-polluted waters. However, those of the lower layers are slightly higher in the gently-polluted waters than those in the seriously-polluted. It was indicated that there was no distinct corresponding relationships between NH4-N/PO4-P contents in the interstitial water and TN/TP contents in the sediments. The ferrous concentration in the interstitial water is distinctly in positive correlation with NH4-N content (R=0.9234).
Keywords:Interstitial water  nitrogen  phosphorus  vertical distribution  Taihu Lake
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