Projects (51039001, 50978087, 51009063, 50808071) supported by the National Natural Science Foundation of China;Project (SX2010-026) supported by State Council Three Gorges Project Construction Committee Executive Office,China;Project (2009ZX07212-001) supported by Ministry of Environmental Protection of China;Project (BYHGLC-2010-02) supported by Guangzhou Water Authority,China;Project (CX2010B157) supported by Hunan Provincial Innovation Foundation for Postgraduate,China
Modified potential ecological risk index (MRI) was proposed based on the potential ecological risk index (RI) and risk assessment code (RAC) by modifying an index. The modified index was relevant to the chemical...