1Technical issues of building "one river (lake), one file" and compiling "one river (lake),one solution"Li Yuanyuan, Shen Fuxin, Luo PengSpecial Issue of River Chief System and Lake Chief System3-72Mid-term evaluation of implementing river chief system nationwide and framework design for summative evaluation of river and lake chief systemsDuan HongdongSpecial Issue of River Chief System and Lake Chief System8-133Reinforcement of technology leadership for river and lake improvementsSun Jinhua, Zhu Qiande, Wang Siru, Li Ming, Lu HaimingSpecial Issue of River Chief System and Lake Chief System14-164Functions of river chief system for water pollution control in Fuling DistrictLi MinSpecial Issue of River Chief System and Lake Chief System27-29,435Future application of underwater robots in water sector and its technology statusTan Jiexiong, Tian Jinzhang, Wang MixueProject Construction and Management33-366Statistics of deep-hole discharge structures in China and investigations on wastes accumulated at gatesJiang Chao, Sheng Jinbao, Zhu Qinxia, Fan LeiranProject Construction and Management37-397Application of object coding in South-to-North Water Diversion Project of BeijingYang Suhua, Yao Ge, Zou XiaotaoProject Construction and Management40-438Evaluation of flooding damage to small reservoirs in North of Shaanxi Province and mitigation measuresGao JieProject Construction and Management44-45,479Mitigation measures for ecosystem restoration of dry river courses in northern cities of China——taking Linzi River Section of Zi River as an exampleZhao Ya'nan, Xu Fei, Lu MingfengProject Construction and Management48-4910Problems on grass-root water administrative management of the Yellow River Basin in He'nan Province and its countermeasuresZhao Chen, Xu Shuiping, Zong Wenjun, Yan XiaohuiLaw Platform50-51,5711Characters of soil erosion in the Bangsha River BasinLi XinjuanSoil and Water Conservation52-54,6012Financial management for construction of medium and small water projects of public good and solutions for dealing with problemsLiu LimingWater Finance and Economy55-5713Investment and finance models for improving water environment in typical rural areas and lessons learnedWu Di, Zhang Weiwei, Wang Yining, Feng BaoqingWater Finance and Economy61-64 