1Studies on indicator system and standards for assessment of Yongding River healthMiao Pingping, Shi Wei, Zhang Hao, Zhou XushenCommunication and Discussion35-37,202Study on comprehensive management of Yongding River under national land space planningLi Jiangfeng, Wu LongCommunication and Discussion38-41,553Integrated management of the Yongding River based on environmental flow and ecological characteristicsTian Guangyu, Liu Zhan, Liu Hao, Zhang ChenmuCommunication and Discussion42-44,464Research on comprehensive measures of urban water quality improvement and ecological restoration——take stormwater detention and retention project of Beijing West for exampleZou Guangxun, Yang LianshengCommunication and Discussion47-49,535Technological dimension for establishing ecological corridor in Langfang section of the Yongding River FloodplainGuo Hongwei, Fu ChangfengCommunication and Discussion50-536Discussion on compensation for land acquisition of PPP projects for comprehensive management of river basinsXie Lianfeng, Luo Min, Yang ShaoliCommunication and Discussion56-59,687Construction of a comprehensive balanced investment and financing model for coordinated development of the Yongding River BasinLiang HongyuCommunication and Discussion60-628Studies on fund raising channels based on development-oriented financing for integrated river basin management projectsBai Hui, Xu LiangCommunication and Discussion63-659Issues related to accounting of PPP projects for improvement of Yongding River BasinYang XiaofengCommunication and Discussion66-6810Ancient villages in Western Beijing: a spiritual homeland offering "unity of heaven and man"Tan JieCommunication and Discussion77-80 