How does bivalve size influence microplastics accumulation?

Wu, Yinglin; Yang, Jinshui; Li, Zitong; He, Haiping; Wang, Yuxin; Wu, Hongyi; Xie, Ling; Chen, Daohai; Wang, Lei

doi:10.1016/j.envres.2022.113847

Cited by 22 publications

(8 citation statements)

References 62 publications

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“…Several studies highlighted the presence of high concentrations of MPs in bivalves, especially in edible clams, mussels, and oysters [40][41][42][43]. The average number of ingested MPs in C. chione (19.19 items/individual) is similar to the values recorded in bivalves in China (24.64 items/individual, Wu et al [44]), Iran (21.8 items/individual, Abbasi et al [45]), and Vietnam (30.67 items/individual, Thanh et al [46]). However, the values found were higher than those observed by Rios-Fuster et al [47] in the western Mediterranean (4.83 items/individual), in Spain (4.54-18.2 items/individual, Capo et al [40]), Tunisia (7.7 items/individual, Wakkaf et al [48]), and Italy (3.95 ± 2.54 items/individual, Nalbone et al [41]).…”

Section: Discussionsupporting

confidence: 58%

“…The differences in ingestion and intake of MPs between the three species may have been caused by variations in the concentration of MPs in the surrounding water in which the species live. However, by decreasing the MP size, fish ingestion can rise due to their incapacity to differentiate between MPs and food [44]. The method of contamination probably plays an important role in the differences observed in the three species.…”

Section: Discussionmentioning

confidence: 99%

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First Report of Microplastic Ingestion in Edible Fish along Moroccan Mediterranean Coasts

Bouzekry,

Mghili,

Bouadil

et al. 2023

Sustainability

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Monitoring the ingestion of microplastics (MPs) by marine organisms in the environment is essential for understanding the threats posed by these pollutants. In this study, we assessed, for the first time, the presence of MPs in the digestive tracts of two fish species, Chelon auratus and Sardina pilchardus, as well as a bivalve species, Callista chione, in the Moroccan Mediterranean Sea. Moreover, we calculated the polymeric hazard index (PHI) to verify the hazard level of isolated polymers. The results showed that all species ingested MPs, indicating a high level of MP pollution in this area. The MPs ingested were predominantly small (0.5–1 mm) and had a fiber-like shape. The results showed that PP and PET were the most abundant polymers ingested. The highest occurrence of MPs (100%) was found in C. chione and C. auratus, followed by S. pilchardus (72%). In C. chione, the average number of ingested MPs was 19.19 items per individual, while in C. auratus, the mean abundance of ingested MPs was 16.82 items per individual, and 9.64 items per individual in S. pilchardus. Moreover, the polymer hazard index showed that PET was in hazard level IV, while PP was in level III. Further studies are required in the Moroccan Mediterranean Sea to obtain a better evaluation of the occurrence, distribution, and impacts associated with MP pollution.

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Section: Discussionsupporting

confidence: 58%

Section: Discussionmentioning

confidence: 99%

First Report of Microplastic Ingestion in Edible Fish along Moroccan Mediterranean Coasts

Bouzekry,

Mghili,

Bouadil

et al. 2023

Sustainability

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“…Hence the larger and bigger the clams were the higher MP abundance there was in the organisms (Figure 2). The positive correlation of MP abundance and length in clams from the Mekong River is supported by that in a previous study with the marine clam Meretrix lyrata [27]. However, Joshy et al [21] found no correlation between MP abundance and the length and weight of three bivalves (Perna viridis, Magallana bilineata, Villorita cyprinoides) which is controversial to our findings.…”

Section: Microplastic Abundance In the Clams And Their Correlation Wi...contrasting

confidence: 60%

First report on microplastics in a freshwater clam, Corbicula baudoni, in Vietnam

Le,

Pham,

Hien

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The widely reported microplastic presence in aquatic animals has been concerned due to the potential ecological and human health risks. The microplastics in marine mollusk have been studied worldwide, however, information on microplastics in freshwater mussels has been limited. In this study, we monthly monitored microplastics in small (mean length of 14 mm, weight of 1.1 g) and large (mean length of 21 mm, weight of 3.6 g) sizes of freshwater clam (Corbicula baudoni) from Mekong River in Dong Thap Province, Vietnam, from February to September 2022. Two microplastic shapes of fiber (99%) and fragment (1%) were observed in tissue of all clam samples. The microplastic abundance (mean ± standard deviation) in the small size clams was 3.4 ± 1.4 items/individual, and 15.8 ± 9.9 items/g wet weight, whereas that in large size clams was 14.6 ± 10.0 items/individual, and 18.2 ± 14.2 items/g wet weight. We found a positive correlation between the microplastic abundance in the clams and their size and weight. In all clam samples, the shorter fibers were the higher numbers they were. Seven microplastic colors were observed in which the highest proportion of the colors was black (∼ 40%), followed by white (∼ 26%), and blue (∼ 17%). The polymeric characterization by the Fourier Transform Infrared Spectrometry revealed that the items were polymers of polyethylene terephthalate, polypropylene, polyethylene, polyacrylonitrile, nylon, and rayon. To the best of our knowledge, this is the first report on microplastics in freshwater clam from Mekong River and in Vietnam. The common presence of microplastics with high abundance in the clams indicates a high potential health risk to local inhabitants who daily consume the clams as food. Further studies on the effects of microplastics from food on human health are highly suggested.

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“…Demikian juga halnya dengan filtrasi terhadap mikroplastik. Hasil penelitian Wu et al, (2022) menunjukkan bahwa penambahan lebar cangkang 1 mm meningkatkan MCI (microplastics count in per individual) sebesar 1,01 kali tetapi menurunkan MCG (microplastics count per gram) sebesar 0,97 kali. Hasil peneltian Listiani et al (2021) juga menunjukkan adanya perbedaan yang nyata kelimpahan mikroplastik pada kerang Darah (Anadara granosa) dengan ukuran yang berbeda.…”

Section: Pendahuluanunclassified

Kelimpahan Mikroplastik pada berbagai ukuran Kerang Hijau (Perna viridis) dan Kerang Darah (Anadara granosa) yang didaratkan di TPI Bungo, Demak dan TPI Kedungmalang, Jepara, Jawa Tengah

2022

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Penelitian ini bertujuan untuk mengkaji kelimpahan mikroplastik pada kerang hijau dan kerang darah meliputi jumlah, bentuk, warna serta hubungan ukuran cangkang kerang terhadap jumlah mikroplastik pada kerang yang didaratkan di TPI Bungo, Demak dan TPI Kedungmalang, Jepara. Sampel diambil pada tanggal 6 Februari 2021. Pada penelitian ini dilakukan pemisahan jaringan lunak kerang dengan cangkangnya, 2 – 7 gram jaringan lunak kerang dilarutkan dalam 100 ml KOH 10% dan didiamkan selama 24 jam (untuk menghancurkan bahan organik). Selanjutnya larutan ZnCl2 30% sebanyak 10 ml ditambahkan pada jaringan lunak dan didiamkan selama 24 jam untuk memisahkan natan dan supernatan, kemudian di saring dengan kertas whatman no 42 menggunakan vacum pump dan diamati menggunakan mikroskop pada perbesaran 100X. Hasil penelitian menunjukkan bahwa semua sampel kerang darah dan kerang hijau telah terkontaminasi mikroplastik. Kerang darah dan kerang hijau yang berasal dari TPI Kedungmalang ditemukan mikroplastik masing-masing sebanyak 11,2 partikel/ind dan 7,6 partikel/ind sedangkan di TPI Bungo ditemukan mikroplastik masing-masing sebanyak 3,8 partikel/ind dan 13,9 partikel/ind. Berdasarkan hasil penelitian dapat disimpulkan bahwa kerang darah dan kerang hijau yang didaratkan di TPI Bungo, Demak dan TPI Kedungmalang, Jepara pada waktu penelitian sudah terkontaminasi mikroplastik dan terdapat perbedaan kelimpahan mikroplastik pada ukuran cangkang yeng berbeda. This study aims to examine the microplastics abundance in shellfish including the number, shape, color and the relationship between shell size and the amount of microplastic in green mussels and blood clams landed at TPI Bungo, Demak and TPI Kedungmalang, Jepara. Clams sampling was carried out on February 6, 2021. In this study, the shells were separated, then 100 ml of 10% KOH solution was added and allowed to stand for 24 hours (to destroy organic matter), then added 30% ZnCl2 solution as much as 10 ml and allowed to stand for 24 hours to separate the natant and supernatant, then filtered with whatman paper no 42 using a vacuum pump and observed using a microscope. The results showed that all samples of blood mussel and green mussels were contaminated with microplastics. Blood mussel and green mussels from TPI Kedungmalang found 11.2 particles/ind and 7.6 particles/ind respectively, while at Bungo TPI found microplastics with 3.8 particles/ind and 13.9 particles respectively. Based on the results of the study, it can be concluded that blood mussel and green mussels landed at Bungo TPI, Demak and Kedungmalang TPI, Jepara at the time of the study were contaminated with microplastics and there were differences in the abundance of microplastics at different shell sizes.

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How does bivalve size influence microplastics accumulation?

Cited by 22 publications

References 62 publications

First Report of Microplastic Ingestion in Edible Fish along Moroccan Mediterranean Coasts

First Report of Microplastic Ingestion in Edible Fish along Moroccan Mediterranean Coasts

First report on microplastics in a freshwater clam, Corbicula baudoni, in Vietnam

Kelimpahan Mikroplastik pada berbagai ukuran Kerang Hijau (Perna viridis) dan Kerang Darah (Anadara granosa) yang didaratkan di TPI Bungo, Demak dan TPI Kedungmalang, Jepara, Jawa Tengah

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