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Aquatic Pollution in the Bay of Bengal: Impacts on Fisheries and Ecosystems
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This review examines the sources and impacts of aquatic pollution in the Bay of Bengal, including heavy metals, pesticides, petroleum compounds, and microplastics. Researchers found that rivers transport these pollutants from inland areas to the bay, where they accumulate in fish and other marine life, posing threats to food safety through bioaccumulation. The study calls for stronger pollution controls, real-time water monitoring, and sustainable practices to protect both the ecosystem and the communities that depend on it.
Aquatic pollution in the Bay of Bengal has become a major environmental issue with long-term impacts on fisheries, biodiversity, and ecosystems. The review paper examines the major pathways, sources, and ecological consequences of aquatic pollution in the Bay of Bengal. Pollutants such as heavy metals, pesticides, petroleum hydrocarbons, and microplastics have been reported at concerning levels in the soil and water in aquatic ecosystems. Rivers act as key routes, transporting pollutants from inland sources to the Bay of Bengal. These contaminants disrupt metabolic and physiological functions in fish and other aquatic species and pose serious threats to food safety and public health through bioaccumulation. Harmful algal blooms (HABs), caused by nutrient enrichment, further exacerbate ecosystem degradation in the Bay of Bengal. The review highlights the immediate need for strengthened pollution control regulations, real-time water quality monitoring, sustainable farming practices, and community-based policy interventions to preserve biodiversity and safeguard fisheries.
More Papers Like This
Microplastics in the Bay of Bengal: A critical review of bioaccumulation and ecological impacts across Bangladesh
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This review examines microplastic contamination and bioaccumulation in the Bay of Bengal, focusing on marine organisms across Bangladesh. Researchers found that microplastics were detected in fish, shellfish, and plankton, with bottom-dwelling species ingesting more microplastics than surface-dwelling species due to proximity to contaminated sediments. The study highlights significant knowledge gaps and calls for more systematic monitoring of microplastic pollution in this ecologically important region.
The Effects of Marine Microplastics on Marine Life and Human Health in the Bay of Bengal
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This review examines evidence that marine microplastics in the Bay of Bengal pose risks to marine organisms and human health, particularly for populations relying heavily on fish consumption, by acting as vectors for toxic chemicals and causing physical harm throughout the marine food web.
Tracing microplastics in marine fish: Ecological threats and human exposure in the Bay of Bengal
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Researchers analyzed microplastics in nine fish species from the Bay of Bengal, finding an average of about 33 microplastic items per fish, mostly fibers. Bottom-dwelling and meat-eating fish had higher contamination levels, and the pollution was linked to untreated industrial and municipal waste. The study raises concerns about human health exposure through seafood consumption in a region where millions of people depend on fishing for food and livelihood.
Presence of Microplastics and Organic Pollutants in Bangladesh's Freshwater Environment: A Review
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This review examines microplastic and organic pollutant contamination in Bangladesh's freshwater environments, highlighting that microplastics act as vectors carrying other toxic substances into aquatic food webs. Given the heavy reliance on freshwater resources in Bangladesh, this dual contamination threat poses serious risks to both ecosystem health and human food safety.
Beyond occurrence: A comprehensive review of microplastic pollution, risk dynamics, and management priorities in Bangladesh’s aquatic ecosystems
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This review pulls together existing research on tiny plastic particles polluting Bangladesh's rivers, lakes, and seafood, finding high contamination levels across water, sediment, and fish or shellfish. Marine animals had the most plastic buildup, and worryingly, children who eat contaminated seafood may absorb over three times more microplastics than adults. This highlights an urgent need for better monitoring and pollution control to protect food safety.
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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.