The monitoring sections were set up in the coastal waters of Wenling,Zhejiang from 2020 to 2022,to collect marine debris,analyze its distribution and composition characteristics and sources,and evaluate the beach environmental quality with Clean Coast Index(CCI)and Hazardous Items Index(HII).The results re-vealed that in the coastal area of Wenling,the average annual density of large and extra large pieces of float-ing garbage was 37.7 items/km2.The average annual density of small and medium-sized floating garbage was 3 568.2 items/km2.The density of beach litter was 5 813.5 items/km2.Plastics and polystyrene foam plastics were dominant,which mainly came from human activities.The annual average CCI and HII in the coastal waters were 0.11 and 0.66,respectively,indicating that Dongxia Beach in Wenling was at a very clean and safe level.
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