an increasing trendP = 0.031
S6A), opposite to the largest microplastics (1000 to 5000 μm) which shows an increasing trend ( R 2 = 0.462, P = 0.031; fig.
S6A), opposite to the largest microplastics (1000 to 5000 μm) which shows an increasing trend ( R 2 = 0.462, P = 0.031; fig.