Quantitative descripton of marine litter at the seafloor of the Baltic Sea

Marine litter at the seafloor comprises different materials. Plastic is the most frequent material of marine litter found at the seafloor of the Baltic Sea (55,6%). "Abandoned,...海底的海洋垃圾（marine litter）涵盖多种不同材质。塑料是波罗的海（Baltic Sea）海底发现的海洋垃圾中占比最高的材质，占比达55.6%。“废弃……”