Plastic litter pollution along sandy beaches in Puerto Princesa, Palawan Island, Philippines
2021
Sajorne, Recca E. | Bacosa, Hernando P. | Cayabo, Genese Divine B. | Ardines, Lucio B. | Sumeldan, Joel D.C. | Omar, Jhonamie M. | Creencia, Lota A.
Marine plastic litter pollution has become an emerging threat to the Philippines, especially in Palawan. This study was conducted to investigate the macroplastic litter and determine the clean-coast index (CCI) of the residential and non-residential sites on the coasts of Puerto Princesa, Palawan. Plastic litters were sampled from 21 coastal barangays by delineating a 50-m-long transect line with three 4 m × 4 m quadrats. The litter sampled were counted and sorted into categories. The results showed that 17 sites were contaminated with plastic litters. In terms of residential and non-residential sites, the east coast has thrice as much plastic, 2.61 items/m² and 1.26 items/m² compared to west coast with only 1.57 items/m² and 0.14 items/m², respectively. The plastics sampled were predominantly fishing line (nylon), food packaging, and fragments. The calculated CCI revealed that 76% of the sites sampled were categorized as dirty and extremely dirty.
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