TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Li-hua, YU Ji-xin, LI Li, L Wen-qiang, ZHANG Jian-li T1 - Water Quality Assessment of Caohai Lake in Guizhou Based on Trophic State Index and Principal Component Analysis Y1 - 2018-08-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 40 EP - 45 VL - 35 IS - 8 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20170236 ER -