The seasonal variation and community structure of intertidal macrozoobenthos was studied based on the data collected from Jiaolai estuary of south Laizhou Bay in spring(April of 2016),summer(July of 2016)and autumn(October of 2016).A total of 28 species belonging to 5 phyla were found,including Mollusca(19 species),Arthropoda(5 species),Annelida(2 species),Brachiopoda(2 species)and Protozoa(1 species).The average resources were shown to be 13.77 g/m~2in biomass density and 38.89 ind./m~2in number in spring,...