Abstract
Microplastic in the marine ecosystem has become a growing global concern over the past decades. This research analyzed the abundance and type of microplastic in the blood cockle anadara granosa, water, and sediment from Lada Bay, Pandeglang, Banten, Indonesia. The sampling of the blood cockle, water and sediment were collected from 3 different stations. Digestive tracts and respiratory organs from blood cockle were destructed with HNO3 65 %, water and sediment samples were mixed into the concentrated NaCl solution. The results showed a microplastic abundance of 248.5 ± 3.81 particle/L in water, 169.200 ± 5.184 particle/kg in sediment and 618.8 ± 121.4 particles/individuals in the cockle. Besides, in blood cockle from the traditional markets, it was found 566.7 ± 133.1 particle/individuals microplastic. Fiber is the type of microplastic that was most commonly found in the samples of cockles (58.06 %), waters (61.23 %) and sediments (57.82 %). The river was indicated as a microplastic source to the sea. The station 3 in ± 60 m near the river mouth has a higher microplastic concentration with an average of 86.17 ± 2.36 particle/l.62666.67 ± 1803.7 particle/Kg and 720 ± 131.1 particle/individual, compared to station 1 and 2 which is further away from the river.
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