February 15, 2022
The monitoring results show that the floating garbage mainly consists of plastic bags, floating wooden blocks, buoys and plastic bottles. The average number of large and large pieces of garbage floating on the sea was 0.001 per 100 square meters; The average number of small and medium pieces of garbage in surface water was 0.12 pieces per 100 square meters. According to the statistical results of floating garbage classification, plastic garbage accounts for the most, accounting for 41%, followed by polystyrene foam and wood products, accounting for 19% and 15% respectively. The total density of small and medium pieces of garbage in surface water was 2.2 grams / 100 square meters, among which, the density of wood products, glass and plastic garbage was the highest, which were 0.9 grams / 100 square meters, 0.5 grams / 100 square meters and 0.4 grams / 100 square meters, respectively.