Distribution characteristics of marine litter in three coastal cities of Hebei Province in 2022
Based on the statistical data of marine litter in the three coastal cities in Hebei Province in 2022,the quantity,composition and source of floating and beach marine litter in the coastal waters of Qinhuangdao,Tangshan and Cangzhou are analyzed.The results show that in 2022,the large and out sized floating marine litter are only observed in Cangzhou with an average number of 274 pcs/km2.For the middle and small sized floating marine litter,their average number in Qinhuangdao,Tangshan and Cangzhou are 810,2 250 and 358 pcs/km2,respectively,and their average density are 0.02,0.31 and 0.62 kg/km2,respectively.The average number of beach marine litter in three coastal cities are 2 005 297,2 435 500 and 11 000 pcs/km2,respectively,with an average density of 266.25,1 071.89 and 343.20 kg/km2,respectively.The floating and beach marine litter are generally composed of plastics,and mainly originated from human coastal activities.It is suggested that the ecological environment department should improve the marine litter monitoring and law enforcement supervision,and effectively reduce the discharge of marine litter.
Three coastal citiesMarine litterSource analysisHebei
NETL
NSTL
万方数据
