Fishpond Reconstruction Based on Water Quality Security for the East Route Project of Diverting Water from the South to the North of China—With an Example of Weishan County Shandong Province

Abstract

Weishan County gets its name for Weishan Lake, also known as Nansi Lakes because it consists of the four major lakes (Small Weishan, Zhaoyang, Dushan and Nanyang). Weishan Lake is an important water source in Shandong Province and one of the main impounded lakes in the East Route Project of Water Diversion from the South to the North. In order to ensure the water quality, the relevant cities and counties of Shandong Province attach great importance to water pollution control around the Weishan Lake. According to field investigation and analysis of present situation of the project area, common problems existed in pond culture along Weishan Lake were found out, meanwhile the targeted solutions for them were given aiming at the transformation of snakehead farming pond by ecological engineering, that focus on an establishment of the demonstration base so as to demonstrate a mode of aquiculture that is environmentally friendly, to enhance ecological health of aquiculture for sankeheaded, and to provide a strong guarantee for the East Route Project of Water Diversion from the South to the North to have a good water quality.