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Assessment of persistent and emerging pollutants levels in marine bivalves in the Gulf of Suez, Egypt
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This study is the first to document microplastic contamination in marine bivalves from the Gulf of Suez in Egypt, finding plastic particles in 72% of specimens examined. Alongside microplastics, the researchers also measured trace metals, hydrocarbons, and pesticides, noting that certain contaminant levels could pose a low risk to people who consume these shellfish.
Bivalves possess important ecological and economic values. They have been extensively used as bioindicators for both emerging and classical pollutants in the aquatic environment. This study investigates the levels of trace metals, polycyclic aromatic hydrocarbons (PAHs), and organochlorine pesticides (OCPs), alongside microplastic (MPs), in Tridacna maxima, Paphia textile, and Paratapes undulatus, collected from the Gulf of Suez. This work represents the first investigation of MPs in marine bivalves from the Gulf of Suez. MPs were detected in 72% of the specimens examined and four types of MPs were identified. The metal pollution index indicated that bivalves may have long-term toxic effects on human consumers. The results showed minimal hydrocarbon pollution. Diagnostic ratios indicated a combination of pyrolytic and petrogenic sources, with a notable influence from pyrolytic origins. The risk assessment reflected that the levels of certain trace metals, PAHs, and OCP contaminants could present a low risk to human health.
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Researchers tested mussels, shrimp, and crabs from seafood markets along Egypt's Red Sea and Mediterranean coasts and found microplastics in all samples. Amounts varied by species and location, with the highest levels in Suez, and common plastics included polyethylene terephthalate, polyethylene, and polyacrylonitrile.
Assessment of Microplastics Pollution in Marine Water Along Gulf of Suez, Egypt
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Researchers assessed microplastic pollution at nine beach locations along the Gulf of Suez, Egypt, identifying 1,982 microplastic debris particles in water samples via microscopy and characterizing various morphologies, providing baseline data on spatial fluctuations of microplastic contamination in this Red Sea region.
Assessment of microplastic and trace element pollution in the southeastern Mediterranean coasts, Egypt, using shellfish Arca noae as a bioindicator
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Researchers found microplastics in 48% of shellfish (Arca noae) sampled from five sites along Egypt's southeastern Mediterranean coast, with polyethylene as the dominant polymer, and detected zinc, cadmium, and lead in soft tissues at concentrations exceeding maximum permissible limits.
Microplastics in marine invertebrates from the Red Sea Coast of Egypt: Abundance, composition, and risks
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This is the first study to document microplastics in marine invertebrates along Egypt's Red Sea coast, examining 11 species of clams, snails, sea urchins, and sea cucumbers. Every animal sampled contained microplastics, with filter-feeding bivalves showing the highest concentrations per gram of tissue. The plastics identified were linked to tourism-related sources, highlighting how coastal recreation contributes to wildlife contamination.
Assessment of microplastic pollution in the Gulf of Suez: Abundance and polymeric composition in beach sediments
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This study assessed microplastic abundance and polymer composition in sediments along the Gulf of Suez shores, identifying 268 microplastic particles with an average of 204.3 particles per kilogram of dry sediment, reflecting contamination from the region's intense shipping and industrial activities.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.