TY - Journal of Yangtze River Scientific Research Institute A1 - LUO Ping-an, CAO Hui-qun T1 - Temporal and Spatial Variations of TN and TP in Different Water Periods of Erhai Lake Y1 - 2021-01-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 14 EP - 19 VL - 38 IS - 1 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20191191 ER -