Seasonal Dynamics, Tidal Influences, and Anthropogenic Impacts on Microplastic Distribution in the Yangtze River Estuary: A Comprehensive Characterization and Comparative Analysis

Microplastics (MPs) are emerging contaminants with significant ecological and human health implications. This study examines the abundance, characteristics, and distribution of MPs in the Yangtze River estuary, focusing on seasonal variations, tidal cycles, and anthropogenic influences. Surface samples were collected using the Manta trawl method to ensure consistency with previous marine MP research. The study found an average MP concentration of 1.01 (± 0.65) n m