Jointly organized by the Estuarine Coastal Sciences Association (ECSA) and the State Key Laboratory of Estuarine and Coastal Research (SKLEC), the ECSA 2017 conference was held in Shanghai during Oct. 16-20, 2017. More than 100 scholars from more than 20 countris and areas participated the conference. Aimed at "Where Land Meets Ocean: The Vulnerable Interface”, the key topics included Hydrodynamics and coastal dynamics, Sediment transport and morphodynamics, Regime shift of estuaries and deltas under changing environment, Harbors and navigation channels, Interactions between estuarine/coastal processes and oceanic processes on the shelf, Pollutants transportation and transformation at estuaries and coasts, Bio-geochemical processes, Mechanisms controlling harmful algal blooming, Blue carbon under multi-stressors, Reclamation and Exotic species invasion, Ecosystem restoration, Ecosystem based coastal management, Energy and environmental security of coastal cities, Estuarine and Coastal Aquatic Environment Monitoring from Space. Prof. ZHANG Wei, associate professors WANG Yunwei and JI Xiaomei, post-doc XU Yanwen participated and gave oral and poster presentations.