Beach survey, Abundance, Microplastics, Hong Kong, Marine debris, Pearl River Estuary, Environmental Monitoring - methods, Waste Products - analysis, Estuaries, Plastics - analysis, Rivers, Polystyrenes - analysis, Water Pollutants, Chemical - analysis
Polyethylenes, Polyethylene, Oceans, Fish farming, Seafoods, Sediments, Fishing, Contamination, Ingestion, Shoreline protection, Fibers, Food chains, Polypropylene, Farms, Body size, Fish, Food safety, Plastics, Health risk assessment, Mullet, Aquaculture, Medicine, marine pollution, microplastic, captive mullets, wild mullets