Evaluation of Water Quality from the Perspective of Eutrophication in Lake E?irdir, Turkey

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• 作者：Mehmet Beyhan ; Meltem Ka??ko?
• 关键词：Eutrophication ; Water quality ; Pollution ; Monitoring
• 刊名：Water, Air, and Soil Pollution
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：225
• 期：7
• 全文大小：1,095 KB
• 参考文献：Standard Methods for the examination of water and waste water. APHA (American Public Health Association), Washington, DC
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• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environment
  Atmospheric Protection, Air Quality Control and Air Pollution
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  Terrestrial Pollution
  Hydrogeology
  
• 出版者：Springer Netherlands
• ISSN：1573-2932

文摘

Lake E?irdir is one of the most important freshwater resources in Turkey. The lake is located at the border of Isparta province in South West Turkey, an area known as the “Lakes District- Lake E?irdir is very important to the regional economy, but knowledge of its water quality is somewhat limited. Our objective was to assess the current water quality in Lake E?irdir and its major tributaries, in order to provide information for future management decisions. The temperature, pH, electrical conductivity (EC), dissolved oxygen (DO) concentration, chemical oxygen demand (COD), nitrogen species concentrations, phosphorus species concentrations, and Chl-a concentrations were monitored monthly at seven sampling points in the lake between December 2010 and November 2011. The total nitrogen (TN) and total phosphorus (TP) loads were determined in the three main tributaries of Lake E?irdir over the same period. At the end of the water quality assessment period, we determined that the lake water has the characteristics of class 1 waters for nitrogen species and class 2 waters for TP, according to the Turkish surface water quality management regulations. The Chl-a values measured in the lake were lower than expected from the trophic state index (TSI) values because of macrophyte growth in the lake. Interestingly, the total nitrogen/total phosphorus (TN/TP) ratios in the lake were low, possibly indicating that the sediment is a significant internal phosphorus resource in Lake E?irdir.