1Studies on key issues and major tasks of ecological conservation and high-quality development in the Yellow River BasinWang Hao, Meng Xianyong, Lin ChenSpecial Focus6-82Thoughts and proactive measures for strengthening water resources regulation in the Yellow River BasinLi Yuanyuan, Li Yunling, Wang Huijie, Ma RuiSpecial Focus9-10,83Study on the construction of regulation system and mechanism of water and sediment regulation system in the Yellow RiverZhang Jinliang, Liu JixiangSpecial Focus11-13,174Improving flood control engineering system by focusing on the whole Yellow River BasinJiang Enhui, Qu Bo, Cao Yongtao, Tian Shimin, Wang YuanjianSpecial Focus14-175New situation and countermeasures of water resources supply and demand in the Yellow River BasinPeng Shaoming, Zheng Xiaokang, Yan Dengming, Shang WenxiuSpecial Focus18-20,266Research on the safety guarantee of water supply in the Yellow River BasinCui Changyong, Yan Dengming, Shang Wenxiu, Zheng Xiaokang, Li KefeiSpecial Focus21-237Causes and countermeasures of the new suspended river in the Ningxia-Inner Mongolia section of the Yellow RiverLu Jun, Zhang Jinliang, Qian Yu, Liang Yanjie, Duan WenlongSpecial Focus24-268Evaluation on the scope for water ecological spatial control of the Three Gorges ProjectWang Guanjun, Dai Xiangqian, Li Fapeng, Sun BoyangProject Construction and Management30-329Discussion on safety management of reservoirs in the new ageTan Jiexiong, Li Xing, Tan Zheng, Wang Mixue, Yang GuangProject Construction and Management36-3810Price difference adjustments for contracts of South-to-North Water Diversion Middle Route ProjectZhang Gaowei, Zhang Yuhui, Feng WuchenSouth-to-North Water Diversion Project54-55,5811Thinking on the strengthening of basic research on water resources balance sheet under new situationNie Yong, Shen Juqin, Li Shuqin, Sun FuhuaWater Finance and Economy56-5812The analysis on policy and implement an approach for management and maintenance of rural water conservancy facilities based on the comprehensive reform of agricultural water price——a case study in Suyu District,Suqian City in Jiangsu ProvinceZhang Xu, Wang Lei, Yang Jie, Cui YansongWater Finance and Economy61-64 