The eco-environmental evaluation based on habitat quality and ecological response of Laizhou Bay Biogeochemical circulation and management countermeasures of N and P in coastal wetlands of southern Laizhou Bay Estimation and experiment of carbon sequestration by oysters attached to the enhancement artificial reefs in Laizhou Bay, Shandong, China. Biological characteristics, temporalspatial distribution of Portunus trituberculatus and relationships between its density and impact factors in Laizhou Bay, Bohai Sea, China.