| 南四湖水域水环境状态分析与评价 |
| Water environment condition analysis and evalution of Nansi Lake |
| 投稿时间：2011-04-11 修订日期：2011-04-11 |
| DOI： |
| 中文关键词:南四湖 水环境 生态因子 水质分析 营养状态分级 |
| 英文关键词:Nansi Lake, water environment, ecological factor, water quality analiysis, nutritional status classification |
| 基金项目:南水北调东线工程对南四湖、东平湖生态环境影响研究 |
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| 中文摘要: |
| 根据南四湖主要入湖河流及湖内15个站点的水质参数———叶绿素a （chl-a）、总磷（TP）、总氮（TN）、透明度（SD）和高锰酸盐指数（CODMn），从年际、年内不同时间段和不同监测点对南四湖及其入湖河流水质做了综合分析。结果表明：湖区氮、磷浓度分布不均，空间分布具有非均一性； 2010年与2004年相比，TN、CODMn虽有波动，但总磷和叶绿素a分别下降了65.0% 和60.59%，SD升高了40.62%。南四湖及其周边河流水质总体有改善，水体的富营养化状况有所好转，但距离Ⅲ类水质标准的要求还有差距，尤其南阳湖，有些监测点已达重度富营养化。 |
| 英文摘要: |
| Based on water quality parameters of 15 sites about chlorophyll a ( Chl-a)，total phosphorus ( TP)，total nitrogen ( TN)，transparency(SD) and permanganate index(CODMn)in Nansi Lake and its main inflow rivers，water quality was comprehensively analyzed by different periods and monitoring of annual and inter-annual. The results showed that distribution of nitrogen and phosphorus concentration of lake is uneven，distribution of spatial appear non-uniformity. Compared with that in 2004，despite TN and CODMn have fluctuations in 2010，but TP and Chl-a in 2010 was fallen to 65.00% and 60. 59%，SD in 2010 increased by 40. 62%.Water quality of Nansi Lake and its surrounding river has improved overall, eutrophication situation has grown better, but water quality is far below the water quality Ⅲ standard，especially Nanyang Lake，and some monitoring sites reached to severe eutrophication. Comprehensive analysis and evaluation of water Eutrophication can provide a theoretical basis to resources protect，the Eastern Route of the South-to-North Water Transfer Project and sustainable development in Nansi Lake. |
| 师吉华.2011.南四湖水域水环境状态分析与评价[J].水生态学杂志,32(4):36-41. |
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