Comparing microplastics contaminants in (dry and raining) seasons for Ox- Bow Lake in Yenagoa, Nigeria

Oni, Babalola Aisosa; Ayeni, Augustine O.; Agboola, Oluranti; Oguntade, Tomiwa; Obanla, Oyinlola Mopelola

doi:10.1016/j.ecoenv.2020.110656

Cited by 93 publications

(47 citation statements)

References 36 publications

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“…The small-sized ranged from 0.011 to 0.5315 mm MP abundance was found in the river water bodies; Obiaraedu, Nwangele, Okumpi, Ogbajarajara, and Onuezuze Rivers (Ebere et al 2019 ), Bloukrans River in the eastern periphery of the Mediterranean Sea (Nel et al 2018 ), Bloukrans River (Nel et al 2019 ). The size of MP abundance from the three studied lakes, Oxbow Lake (Biginagwa et al 2016 ), Eleyele Lake (Adeogun et al 2020 ), and Victoria Lake (Oni et al 2020 ) have been recorded as 2.41, 0.827, and < 0.5 mm, respectively. More or less, the estuaries, coastlines, bays, and gulfs of the Mediterranean Sea and the Atlantic Ocean have been observed that a similar length of MP abundance ranged from 0.63 to 2.6 mm.…”

Section: Physical and Structural Characteristics Of Microplastics In The African Water Systemmentioning

confidence: 95%

“…These processes have been used to remove interfering organic tissues and inorganic dust also. In this review, the degradation of impurities in the samples was found oxidation with potassium hydroxide (KOH) (Sparks 2020 ; Adika et al 2020 ; Shabaka et al 2020 ; Dahms et al 2020 ), hydrogen peroxide (H 2 O 2 ) (Adeogun et al 2020 ; Oni et al 2020 ; Vilakati et al 2020 ), and sodium hydroxide (NaOH) (Biginagwa et al 2016 ). KOH and H 2 O 2 are most popular and reportedly found in the retrieved literature as well as worldwide used for effective treatment processes as an oxidizing agent.…”

Section: Sampling Techniques Mps Preparations and Detection Methodsmentioning

confidence: 99%

“…In Oxbow Lake, the abundance is significantly varied from 1004 to 8329 items m − 3 and 201 to 8369 items m − 3 for the dry and rainy season, respectively, in surface water with different sampling sites. From the surface sediment, 347 to 4031 items kg −1 and 507 to 7593 items kg −1 were recorded in the dry and rainy season, respectively (Oni et al 2020 ). In Lake Ziway, the abundance was found with varied range across different sampling zones (0.0002–385.2 mg/k WW in fish), and (400–124,000 particles/m 3 ) in sediment samples (Merga et al 2020 ).…”

Section: The Occurrence Of Microplastics In African Countries Aquatic Systemsmentioning

confidence: 99%

“…Other in a small proportion Rayon (70.4%), PS (10.4%), nylon (5.2%), PVC (3.0%), and other (11%) Naidoo et al ( 2020 ) Oxbow Lake 0.02–5 mm for both season Fiber, beads, fragment, pellet, films, flakes black, yellow, green, red, blue, white, and purples For the dry season, PET and Plasticized PVC 63% in water and 10.9% in sediment. For raining season Plasticized PV 81.5% and LDPE 4.2%, respectively Oni et al ( 2020 ) Eastern Harbor from Mediterranean Coast 25 to 1000 μm Filaments, Foam, fragments ( sheet-like fragments, Colored fragments) – PEVA, LLDPE, HDPE, PET, and sPP Shabaka et al ( 2020 ) the west coast of Melkbosstrand 50 and 1000 μm Filaments (67% ), fragments (21% ), and spheres (12% ) Black/gray (37%), blue/green30%), white (12%), transparent (11%), red/pink (8%), and yellow/orange (3%) – (Sparks 2020 ) Gulf of Annaba in coasts of the Mediterranean Sea 0.81 to 2.16 mm fibers (70%), fragments (21%), pellets (5%), films (2%) and foams (2%) black, white, blue, purple, red, green, yellow, gray, and transparent PE (48%), PP (16%), PET (14%), PS (9%), butyl Branham (7%), EP (3%) and CTA (3%) Tata et al ( 2020 ) bays and beaches of Atlantic Ocean seashores – – – Dominantly PE (85.7%), PET (71.4%) PVC (57.1%). PS, PA, PAA, and EVA are with a small proportion Vilakati et al ( 2020 ) Orange and Vaal River 20 − 5,000 μm Dominantly Microfibers (97.2%), fragments (2.8%): 43% for green, 25% for white, 17% for blue, 9% for yellow, 3% for orange and 3% for pink/red Dominantly Blue.…”

Section: Physical and Structural Characteristics Of Microplastics In The African Water Systemmentioning

confidence: 99%

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Microplastic pollution in African countries’ water systems: a review on findings, applied methods, characteristics, impacts, and managements

Aragaw

2021

SN Appl. Sci.

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Owed to their simplicity, flexibility, lightweight, and low cost, plastics have become highly demanded in Africa as well as worldwide. However, the management of plastic wastes, particularly in African countries, is inadequate and most of the plastic debris is gatewayed into the water bodies. Nowadays, environmentalists, organizations, and governments are aware of microplastic pollution in the marine and terrestrial environment. Thus, addressing a compressive literature review in one referenced paper, as they draw up the articles, is essential to propose new research directions, to synthesize the existing theories among the existing studies. The abundance of microplastics is variable depending on the sampling and identification techniques. In this review, the available publications on microplastic pollution in African countries’ water systems were retrieved. Investigations found that microplastic pollution levels in the studied water bodies were reported in high concentrations. It was observed that different sampling and analytical methods were applied for the detection of microplastics, and suggestions were raised at it may affect the reliability of the results. Most of the detected and quantified microplastics were confirmed as they are from secondary sources. Most of the microplastic pollution research was conducted dominantly in South Africa, and secondly Nigeria, although other countries should also start conducting in their water systems. Surface water and sediment samples were dominantly carried out, but are limited with biota samples; hence, the risk assessment of microplastics is not yet determined. Some of the African countries have regulations on the prevention of macroplastic wastes, but the implementations are unsuccessful and most have not yet been established resulting in a threat of microplastics pollution. Thus, the research priorities on microplastic detection should be identified, and the African countries’ governments should be more proactive in eradicating macroplastic, which ends up as microplastics, pollutions in the water environments. Graphic abstract Article Highlights Researches on microplastic pollution in African countries water system is limited . A high microplastics abundance is found in African countries water system. Sampling methods and used analytical techniques for microplastic detection were included. Harmonized standard methods for microplastic pollution research should be established. Combined analytical tools at once should be adopted to detect reliable microplastics.

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Section: Physical and Structural Characteristics Of Microplastics In The African Water Systemmentioning

confidence: 95%

Section: Sampling Techniques Mps Preparations and Detection Methodsmentioning

confidence: 99%

Section: The Occurrence Of Microplastics In African Countries Aquatic Systemsmentioning

confidence: 99%

Section: Physical and Structural Characteristics Of Microplastics In The African Water Systemmentioning

confidence: 99%

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Microplastic pollution in African countries’ water systems: a review on findings, applied methods, characteristics, impacts, and managements

Aragaw

2021

SN Appl. Sci.

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“…Nigeria reportedly generated 42 million tons of solid waste of the total 62 million tons generated by Sub-Saharan Africa [106,107]. About 20% of the landfills in Nigeria is waste from polythene materials, plastic water bottles, water sachets, and plastic bags [108][109][110]. Lagos alone contributes 450,000 tons of plastic waste that enter into the ocean environment annually [111].…”

Section: Microplastics In Fishmentioning

confidence: 99%

A Review of Chemical Contaminants in Marine and Fresh Water Fish in Nigeria

Uzomah

Lundebye

Kjellevold

et al. 2021

Foods

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Pollutants in aquatic food are a major global concern for food safety and are a challenge to both national and international regulatory bodies. In the present work, we have reviewed available data on the concentrations of polycyclic aromatic hydrocarbons (PAH), persistent organic pollutants, metals, and microplastics in freshwater and marine fish in Nigeria with reference to international maximum levels for contaminants in food and the potential risk to human health. While most of the contaminant levels reported for fish do not imply any health issues, iron and lead may represent potentially toxic levels in fish from specific areas. Studies on PAHs in marine fish are scarce in Nigeria, and the main focus is on the environmental pollution caused by PAHs rather than on their presence in food. The findings suggest that the consumption of smoked Ethmalosa fimbriata poses a higher potential carcinogenic risk than the other fish species that were investigated. Most of the other studies on PAHs in smoked fish are focused on the smoking method, and little information is available on the initial level of PAHs prior to the smoking process. Metal contamination in fish appeared to be affected by mineral deposits in the environment and industrial effluents. In general, heavy metal levels in fish are below the maximum levels, while there is limited data available on POPs of relevance to food safety in fish from Nigeria, particularly in terms of dioxins, brominated flame retardants, and fluorinated compounds. Furthermore, there is currently limited information on the levels of microplastics in fish from Nigerian waters. This work revealed the need for a more systematic sampling strategy for fish in order to identify the most vulnerable species, the hot spots of contaminants, and applicable food safety control measures for fish produced and consumed in Nigeria.

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Discharge of Microplastics from Wastewater Treatment Plants

and¹,

Wu²

2022

Microplastics in Urban Water Management

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Comparing microplastics contaminants in (dry and raining) seasons for Ox- Bow Lake in Yenagoa, Nigeria

Cited by 93 publications

References 36 publications

Microplastic pollution in African countries’ water systems: a review on findings, applied methods, characteristics, impacts, and managements

Microplastic pollution in African countries’ water systems: a review on findings, applied methods, characteristics, impacts, and managements

A Review of Chemical Contaminants in Marine and Fresh Water Fish in Nigeria

Discharge of Microplastics from Wastewater Treatment Plants

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