1Fully implementation of river-lake chief system for beautiful and happy rivers and lakesSun JichangSpecial Issue of River Chief System and Lake Chief System1-3,62Accountability is crucial for full implementation of river-lake chief systemWang Guanjun, Lang Maixian, Chen XiaoSpecial Issue of River Chief System and Lake Chief System4-63Formation of river and lake supervision system based on river and lake systemLiu Xiaoyong, Chen JianSpecial Issue of River Chief System and Lake Chief System7-8,164Role of river-lake chief system in the initiative of happy rivers and lakesHu WeiSpecial Issue of River Chief System and Lake Chief System9-115Practices and lessons learned of public participation in the initiative of building happy rivers and lakesJu MaosenSpecial Issue of River Chief System and Lake Chief System12-166Reflections on forging a modern time "water network for happiness" in Zhejiang ProvinceFang Zijie, Xia Yuli, Tang YanbiaoSpecial Issue of River Chief System and Lake Chief System17-20,237Discussion on the related problems about building the happy river——a case study of the Zhuzhaoxin RiverDu Chen, He Jun, Zhang YouSpecial Issue of River Chief System and Lake Chief System21-238How to strengthen water affairs management in village and township programming in BeijingMa Dongchun, Wang Junhong, Shi Yu, Zhang Juan, Lu Yajing, Zhan Nan, Qiu YanzhaoSpecial Issue of River Chief System and Lake Chief System24-279Practices of river course demarcation at township level in Pujiang CountyLou Mingzheng, Fu Keping, Li XunlangSpecial Issue of River Chief System and Lake Chief System28-29,2710Issues and measures of managing waterlevel fluctuation zone in Fuling Section of Three Gorges ReservoirLi MinSpecial Issue of River Chief System and Lake Chief System30-3311Studies on improvement and upgrading of decision support system for river chief system implementation in Anhui ProvinceWang ZhenningSpecial Issue of River Chief System and Lake Chief System34-3612Exploring supporting functions of information management system in implementing river chief system in the North Canal basinGuo Haomiao, Du Junkai, Bai Xuefei, Li Jie, Liang Pu, Li JichenSpecial Issue of River Chief System and Lake Chief System37-4013Practices of segmented management in levee project constructionChen Changren, Zhou Heping, Xu Ming, Zhang ChengweiSpecial Issue of River Chief System and Lake Chief System41-42,5214Application of plastic concrete vertical cutoff wall in construction of reservoirs in plain areaWang Ji, Wang Ziren, Chu FengProject Constraction and Management43-45,3315Application of variable stiffness leveling method in foundation treatment of hydraulic structuresHong Wei, Li Yongsheng, Ni Yanbo, Yu WeiProject Constraction and Management46-4816Practical application of rapid tunneling of hard rock open TBM in long and large tunnelsYuan Mulin, Wang YanhongProject Constraction and Management49-5217The practice of water conservancy project quality testing information platform——take Zhejiang Province as an exampleZhao Li, Zhang Ye, Xie Hui, Fu Guoqiang, Ni LijianWater Informatization53-5518Briefly discuss marketing strategies of small and medium water conservancy science and technology enterprisesDou LiweiWater Finance and Economy60-62 