Qingdao Institute of Marine Geology Geological Survey of Natural Resources 266071;
College of Marine Geosciences University of China 266100;
State Key Laboratory of Biogeology and Environmental Geology University of Geosciences(Wuhan) 430074;
China Geological Survey of Natural Resources 100037;
Microplastic; Marine pollution; Distribution pattern; Environmental geological survey engineering; Bohai Sea; Yellow Sea; East China Sea; South China Sea;