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IDENTIFIKASI MIKROPLASTIK PADA IKAN TONGKOL (Euthynnus affinis) SEBAGAI BIOINDIKATOR DI PERAIRAN TELUK KOTA KUPANG
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This Indonesian study examined microplastic contamination in the digestive tracts of tongkol fish (Euthynnus affinis) from two sites in Kupang Bay. Microplastics were found in all 16 sampled fish, with fibers and fragments being the most common shapes, confirming fish as indicators of coastal plastic pollution.
Microplastic pollution in coastal areas has become a serious concern due to its impact on marine environments and human health. This study examined the presence of microplastics in the digestive tracts of the tongkol fish (Euthynnus affinis) collected from two locations in Kupang Bay, namely PPI Oeba and Pasar Oesapa. A total of 16 fish samples were analyzed visually using a microscope, followed by polymer identification using Fourier Transform Infrared Spectroscopy (FTIR). Results showed that fish from PPI Oeba contained 25 microplastic particles, while those from Pasar Oesapa had 20 particles. Film-type microplastics dominated, accounting for 68% in PPI Oeba and 75% in Pasar Oesapa, followed by fibers (20% and 25%, respectively), and fragments were only found in PPI Oeba (12%). Detected polymers included polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC). This study confirms that tongkol fish can serve as effective bioindicators for monitoring microplastic pollution in the coastal waters of Kupang City.
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Identifikasi Cemaran Mikroplastik pada Ikan Tongkol (Euthynnus affinis C.) dan Dencis (Sardinella lemuru) di TPI Lampulo, Banda Aceh
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This Indonesian study detected microplastic contamination in the digestive tracts of bullet tuna (Euthynnus affinis) caught in local waters. Microplastics were found in fish from all sampling locations, with fiber fragments being most abundant. The findings raise food safety concerns given that bullet tuna is a commercially important species consumed in Indonesia.
Identifikasi Mikroplastik pada Ikan Tongkol Lisong (Auxis Rochei) dan Ikan Tuna Makarel (Euthynnus Affinis) di Pangkalan Pendaratan Ikan (PPI) Oeba, Kupang
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Researchers determined the characteristics including shape and color and quantified the abundance of microplastics found in bullet tuna (Auxis rochei) and mackerel tuna (Euthynnus affinis) collected from the Oeba Fish Landing Site in Kupang, examining fish as vectors of microplastic contamination in poorly managed waste environments.
Analisis Mikroplastik Pada Saluran Pencernaan Ikan Kembung (Rastrelliger Sp.) di Pelabuhan Perikanan Samudera Belawan, Sumatera Utara
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Indonesian researchers analyzed microplastics in the digestive tracts of mackerel fish landed at Belawan fishing port, examining both the characteristics of particles and their relationship to fish size. The presence of microplastics in commercially important fish species represents a direct pathway for human dietary exposure.
MIKROPLASTIK PADA INSANG DAN SALURAN PENCERNAAN DIIKAN TONGKOL Euthynnus affinis (Cantor, 1849) DAN IKAN TERIStolephorus indicus (van Hasselt, 1823) HASIL TANGKAPANNELAYAN PPP LEMPASING
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Researchers examined microplastics in the gills and digestive tracts of two commercially important fish species — bullet tuna (Euthynnus affinis) and Indian anchovy (Stolephorus indicus) — caught by fishers at PPP Lempasing, Indonesia. The study documented microplastic contamination in both fish organs, with findings reflecting the contribution of Indonesia's significant marine plastic waste load to microplastic ingestion in coastal fisheries.
Identification of Microplastics in Euthynnus affinis in Kedonganan Area, Kuta, Badung, Bali
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This study identified microplastics in the gastrointestinal tracts of Euthynnus affinis (mackerel tuna) sampled from Kedonganan, Bali, confirming microplastic contamination in commercially important fish from Indonesian coastal waters.
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