Hydrochemistry Characteristics in front of the Wulixia Reservoir Dam Associated with Feedback from Aerobic Anoxygenic Phototrophic Bacteria oleh SONG Ang, PENG Wen-jie, HE Ruo-xue, JIN Zhen-jiang, LU Xiao-xuan, FANG Jun-jia, HUANG Bing-hui, LI Qiang