Distribution characteristics and source analysis of beach litter of Weihai,Shandong province
In recent years,marine litter pollution has received continuous attention from the public.In order to explore the pollution status and main sources of beach litter in Weihai,this article was based on the survey data of six beach litter sections in Weihai,then grasped the species,abundance and distri-bution characteristics of beach litter,and analyzed its source and temporal changes.The results showed that in 2020,the average quantity density of beach litter in Weihai was about 151,800 items/km2,with the most being plastic litter(73.93％),and the average mass density was about 259.38kg/km2,with the largest proportion of beach litter being the plastics(59.68％).The beach litter in Weihai was over-all characterized by large quantity and light weight.Approximately 79.38％of the beach litter came from the human activities on land such as recreation and leisure,while 20.62％of beach litter came from production activities such as marine fishery and breeding Current statistics showed that the abun-dance of beach litter in Weihai was not only lower than the average level of beach litter in Rizhao and Shenzhen,but also lower than the abundance level of beach litter in different parts of the world,such as the Eastern Mediterranean Turkey and Croatia.
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