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Papers
20 resultsShowing papers similar to Heavy Metals and their Effects on Macroinvertebrates Present in the Ojo River, Lagos, Nigeria
ClearAssessment of Heavy Metal Contamination in Shrimp and Water from the Great Kwa River: Implications for Human Health and Aquatic Ecosystems
Researchers measured heavy metal concentrations in shrimp and water samples from Nigeria's Great Kwa River. The study found elevated levels of several toxic metals linked to oil exploration and industrial activities, with some metals in shrimp tissue exceeding safe consumption limits, raising concerns about health risks for local communities who rely on river shellfish as a food source.
Bioaccumulation of Heavy Metals in Pelagic and Benthic Fishes of Ogbese River, Ondo State, South-Western Nigeria
Researchers measured heavy metal concentrations in water, sediments, and fish organs from the Ogbese River in Nigeria. The study found that while fish tissue metal levels were within permissible limits, sediment concentrations of cadmium, chromium, iron, and manganese exceeded safe thresholds, indicating moderate contamination risk that warrants ongoing monitoring.
Assessing the impact of anthropogenic stressors on water quality, sediment characteristics and benthic macroinvertebrates community in a Coastal Lagoon, Southwest Nigeria
This Nigerian study assessed the impact of human activities on water quality, sediment, and benthic invertebrate communities in a coastal lagoon near Lagos. The research documents widespread contamination from urban and industrial stressors in a major coastal ecosystem that serves as a fishing and economic resource for local communities.
Presence and Abundance of Microplastics in Benthic Organisms from Some Niger Delta, Nigeria Coastal Rivers
Researchers investigated the presence and abundance of microplastics in benthic organisms collected from coastal rivers in the Niger Delta region of Nigeria, documenting contamination levels in organisms from these ecologically significant waterways.
Presence and Abundance of Microplastics in Benthic Organisms from Some Niger Delta, Nigeria Coastal Rivers
Researchers examined benthic organisms—crabs, oysters, shrimps, lobsters, and others—from seven rivers in Nigeria's Niger Delta, finding 100% microplastic presence across all species and all sampling sites.
Occurrence and Health Implications of Heavy Metals in Microplastics from Otuoke Surface Waters
Microplastics collected from surface waters in Otuoke, Nigeria were analyzed for adsorbed heavy metals, with health risk assessments indicating that consumption of contaminated aquatic organisms could pose risks to local populations from metal-laden plastic particles.
Evaluation of Heavy Metal Pollution in Commonly Consumed Mollusc (Crassostrea gasar) from Elechi Creek, River State, Nigeria and the Health Risk Implications
Researchers evaluated heavy metal concentrations in mangrove oysters (Crassostrea gasar) from Elechi Creek over six months, measuring copper, cadmium, zinc, lead, arsenic, and mercury across three stations. The study assessed potential adverse human health risks associated with consuming these commonly eaten molluscs.
Comparative Assessment Of Heavy Metal Accumulation In Two Commercial Fish Species (Clarias Gariepinus And Chrysichthys Nigrodigitatus) From Amansea River, Nigeria
Researchers measured heavy metal concentrations (Pb, Hg, As, Cd, Cr) in water, sediment, and tissues of two commercially important fish species from Amansea River, Nigeria. C. nigrodigitatus accumulated significantly more cadmium and chromium than C. gariepinus, with Bioaccumulation Factors indicating species-specific differences in heavy metal uptake relevant to food safety.
Many Oil Wells, One Evil: Potentially toxic metals concentration, seasonal variation and Human Health Risk Assessment in Drinking Water Quality in Ebocha-Obrikom Oil and Gas Area of Rivers State, Nigeria
Researchers assessed heavy metal concentrations and seasonal variation in drinking water from an oil and gas extraction area in Nigeria, finding contamination levels that pose significant human health risks including potential neurological and carcinogenic effects.
Distribution, Source Appropriation, and Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons due to Consumption of Callinectes amnicola from Woji Creek inSambreiro River
Researchers measured PAH contamination in crabs from a Nigerian river and assessed the cancer risk from eating them, finding elevated concentrations of harmful aromatic hydrocarbons. Children and young adults faced the highest calculated cancer risk from crab consumption at these levels.
Seasonal variations of water physico-chemistry, heavy metal concentrations and ecological abundance and biodiversity of fish from two Lagoon streams
Researchers monitored water chemistry, heavy metal concentrations, and fish biodiversity across seasons in two Nigerian lagoon streams. Heavy metals often adsorb to microplastics in aquatic environments, and documenting baseline contamination levels is important for understanding cumulative pollution impacts on freshwater fish communities.
Risk assessment of potentially toxic elements in water, sediment, aquatic mussels, and edible crops from a gold-mining-stressed river in Northern Nigeria
Researchers assessed potentially toxic element contamination from artisanal gold mining in a Nigerian river, finding cadmium, chromium, lead, copper, and nickel concentrations exceeding WHO guidelines by roughly tenfold in water, with bioaccumulation in mussels and crops posing significant non-carcinogenic and carcinogenic health risks to local populations.
Evaluation of the Effects of Heavy Metals on Water from Illegal Crude Oil Refineries: a Case Study of Three Selected Communities in the Niger Delta Region, Nigeria
This paper is not about microplastics; it measures heavy metal contamination (and associated health risk indices) in surface water near illegal crude oil refineries in three communities of Nigeria's Niger Delta region.
Occurrence and Health Implications of Heavy Metals in Microplastics from Otuoke Surface Waters
This study investigated the occurrence of heavy metals associated with microplastics in surface waters in Otuoke, Nigeria, finding that MPs adsorb and concentrate toxic metals and may serve as vectors for metal exposure in local communities consuming fish. (Duplicate record of ID 11006.)
Levels of heavy metals in water and Nile tilapia fish (Oreochromis niloticus) of Eleyele Lake in Ibadan, Nigeria
This is not a microplastics study; it measures heavy metals in water and Nile tilapia from a Nigerian lake, finding that lead concentrations in fish tissue exceeded WHO and FAO limits even though water concentrations appeared acceptable, raising food safety concerns for local consumers.
Serum Biochemistry and Enzymatic Biomaker of Gercacinid Crabs from Mangrove Swamp of the Lagos Lagoon, Nigeria
This paper is not relevant to microplastics; it measures blood chemistry and enzyme biomarkers in two species of mangrove crabs from the Lagos Lagoon, Nigeria.
Many oil wells, one evil: comprehensive assessment of toxic metals concentration, seasonal variation and human health risk in drinking water quality in areas surrounding crude oil exploration facilities in rivers state, Nigeria
Researchers assessed toxic metal concentrations in drinking water near crude oil exploration facilities in Nigeria, finding seasonal variations and levels exceeding safety thresholds that pose serious health risks to surrounding communities.
Assessment of Temporal Variation of Water QualityParameters and Ecotoxic Trace Metals in SouthernNigeria Coastal Water
This paper is not about microplastics; it monitors temporal variation in water quality parameters and trace metal (cadmium, chromium, nickel, lead) concentrations in the Opuroama River and local aquatic organisms in southern Nigeria.
Preliminary Determination of Heavy Metals in Sediment, Water, and Some Macroinvertebrates in Tawi-Tawi Bay, Philippines
Researchers conducted a preliminary assessment of heavy metal concentrations in sediment, water, and macroinvertebrates at multiple sites in Tawi-Tawi Bay in the Philippines. The study establishes baseline data on chemical pollution in this understudied coastal area.
Kontaminasi Logam Cr dan Fe pada Organisme Benthik Laut yang Ditangkap di Perairan Jawa Tengah
This Indonesian study measured chromium and iron contamination in benthic marine organisms from coastal waters near industrial areas in Central Java. While focused on heavy metals, industrial coastal areas are also significant sources of microplastic pollution, and benthic organisms accumulate both types of contaminants.