Grey relational analysis between chlorophyll a and environmental factors in ShaHu Lake | 沙湖叶绿素a与环境因子的灰关联分析
2010
Qiu Xiaocong, Ningxia University, Yinchuan (China), Colloge of Life Science | Zhao Hongxue, Ningxia University, Yinchuan (China), Colloge of Life Science | Sun Xiaoxue, Ningxia University, Yinchuan (China), Colloge of Life Science
[Objective] The aim was to explore effects of environmental factors on the content of Chlorophyll a in ShaHu Lake. [Method] Based on the data in Shahu Lake from November in 2007 to September in 2008, the relationship between chlorophyll a and environmental factors like water temperature, pH, secchi-depth (SD), total nitrogen, total phosphorus and potassium permanganate index was studied by grey relational analysis method. [Result] The main environmental factors affecting the content of Chlorophyll a in ShaHu Lake were in order of water temperature potassium permanganate index total nitrogen pH total phosphorus SD. [Conclusion] The research provides reference for the control of eutrophication and the reasonable development and utilization of Shahu Lake.
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