TY - Journal of Changjiang River Scientific Research Institute A1 - LI Xin-yue, YANG Yan, HONG Chang-hai, ZHI Guo-qiang, YANG Jian, HAN Zhen-yang, WAN Zheng-fen, LU Shao-yong T1 - Spatial and Temporal Distribution Characteristics of Heavy Metals in Surface Sediments of Niulan River (Kunming Section) and Potential Ecological Risk Assessment Y1 - 2024-11-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 32 EP - 40 VL - 41 IS - 11 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20230632 ER -