Ecological aquaculture industry well developed in E China's Shandong Province

Photo taken on Oct. 31, 2021 shows staff harvesting oysters at the Sanggou Bay, Rongcheng City, east China's Shandong Province. In recent years, Rongcheng City has vigorously promoted the application of science and technology by adopting a "shallow-sea multi-trophic ecological aquaculture model". The ecological aquaculture area now reached 200,000 mu, with the comprehensive benefit increased by more than 2.5 times. (Yang Zhili/Guangming Picture)