Groundwater is the primary source of domestic water supply in Yenagoa, Bayelsa State, yet increasing urbanisation and poor sanitation practices raise concerns about its quality and potential health implications, particularly around surface water bodies such as Epie Creek. This st...
Open access
Research Article10.9734/ajopacs/2026/v14i1279
Heavy metal inputs from petrochemical industries, fertiliser plants, oil and gas operations, and intensive farming increasingly impact agricultural soils in industrialised parts of the Niger Delta. These metals persist in soils, influence soil quality, and pose ecological and hum...
Open access
Research Article10.9734/ajahr/2026/v13i1436
Izuchukwu Emeka C., John Ebikienmo P., Ekesiobi Sandra U., Thompson Nwinam I., Okpoji Awajiiroijana U. & Etesin Monday U.·Asian Journal of Research in Zoology·2026
Surface waters in the Niger Delta remain critical sources of domestic water supply but are increasingly degraded by anthropogenic contamination. This study assessed heavy-metal contamination in the Nun River, Bayelsa State, Nigeria, and evaluated associated human health risks. Su...
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Research Article10.9734/ajriz/2026/v9i1239
The assessment of some heavy metal levels in farmland along OPM –ALUU dumpsite near Port-Harcourt was carried out using soil auger and an Atomic Absorption spectrophotometer (AAS). The samples collected from site Allu 1 and Aluu 2 representing farmland near the dumpsite and contr...
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Research Article10.9734/ajopacs/2026/v14i1278
Phytoremediation is an emerging, eco-efficient strategy that employs higher plants and their associated rhizosphere microorganisms to remove, stabilize, degrade, or volatilize contaminants from soil, water, and sediments. This review systematically assesses the phytoremediation p...
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Research Article10.9734/jabb/2026/v29i13508
Aims: This study aimed to assess the environmental impacts of wastewater discharge from the Tobruk wastewater treatment plant on the coastal water quality of Al-Awda Beach, northeastern Libya. Study Design: A spatio-temporal observational field study. Place and Duration of Study:...
Open access
Research Article10.9734/ajee/2026/v25i1858
This study assessed heavy metal contamination and associated human health risks in periwinkle, shrimp, and crab collected from coastal and inland communities of Rivers State, Nigeria, including Bonny, Ogoni, Eleme, and Omoku. Metal concentrations (Pb, Cd, Cr, Ni, Cu, Fe, Zn) were...
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Research Article10.9734/ajee/2025/v24i12852
This study assessed the physicochemical and agronomic quality of three composts (C1, C2, C3) produced from compostable food waste, with the aim of promoting them as organic soil amendments. Analysis of the end products made it possible to characterise their maturity degree, nutri...
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Research Article10.9734/irjpac/2025/v26i6969
Heavy metals can be harmful to aquatic species when they are exposed for a brief (acute) or extended (chronic) duration. They have done a lot of good for people, but they also have a lot of detrimental effects on species that aren't their goals. Runoff and groundwater leaching fr...
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Research Article10.9734/ajfar/2025/v27i121045
Background: Soil contamination by heavy metals and pesticides remains a persistent global challenge with far-reaching consequences for agricultural productivity, ecosystem stability, and human health. Despite extensive research, existing studies remain fragmented across soil scie...
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Research Article10.9734/ijpss/2025/v37i125893
Ohaturuonye Sampson O., Okpoji Awajiiroijana U., Akpan Nsima A., Njoku Chukwunonso A., Isaac Stanley C., Etesin Monday U. & Ekwere Ifiok O.·Asian Journal of Research in Zoology·2025
Aquatic organisms inhabiting petroleum-impacted estuaries of the Niger Delta are frequently exposed to complex mixtures of heavy metals and hydrocarbons capable of inducing biochemical and physiological stress. This study evaluated the concentrations of Pb, Cd, Hg, As, Cr, and to...
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Research Article10.9734/ajriz/2025/v8i4233
Okpoji Awajiiroijana U., Orji-Azuka Loveth N., Igwegbe Kelvin C., Ekwere Ifiok O., Ewuola Akinola A., Garuba Muhammed H. & Etukudo Esther W.·Asian Journal of Geological Research·2025
Urban rivers in Nigeria are increasingly affected by detergent residues, domestic wastewater, and trace-metal inputs associated with rapid urbanisation. This study assessed the physicochemical characteristics, surfactant concentrations, and selected heavy metals in three urban ri...
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Research Article10.9734/ajoger/2025/v8i3223
Piggery wastes can be reservoirs of heavy metals and high microbial loads that pose environmental and public health risks. Bioremediation is the most efficient, eco-friendly and cost-effective technology for the transformation of contaminants. This study evaluated the bioremediat...
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Research Article10.9734/ajb2t/2025/v11i4269
Osuafor Ogonna O., Okeke Chioma F., Agu Mathew O., Isueken Christian O, Aligwo Michael C., Ohaturuonye Sampson O., Okpoji, Awajiiroijana U, Etesin Monday U. & Ekwere Ifiok O.·Asian Journal of Agricultural and Horticultural Research·2025
Agricultural runoff is a major global non-point source of water contamination, contributing substantially to nutrient enrichment, heavy metal loading, and hydrogeochemical alteration in freshwater systems, particularly in humid tropical regions. This study assessed the influence...
Open access
Research Article10.9734/ajahr/2025/v12i4427
Groundwater remains the main source of potable water in many urban and peri-urban communities in Nigeria, particularly where municipal supply is inadequate. This study investigates the seasonal variability and potential health risks of heavy metals in shallow groundwater from sel...
Open access
Research Article10.9734/jgeesi/2025/v29i12988