Trace Metals in Water, Fish and Sediments from Elechi Creek, Port Harcourt, Rivers State, Nigeria

Vincent-Akpu, Ijeoma Favour; Babatunde, B. B.

doi:10.4314/tfb.v22i1.2

Cited by 6 publications

(2 citation statements)

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“…Low levels of Pb recorded in this study (0.9–1.4 mg kg −1 ) are consistent with previous results in Niger Delta (Adeleye, Shelle, and Akinnigbagbe 2011 ; Chindah et al 2009 ). Similarly, low levels of Cd are in agreement with previous findings for the Niger Delta (Otitoju and Otitoju 2013 ; Vincent-Akpu and Mmom 2012 ; Ideriah, David-Omeiema, and Ogbonna 2012 ; Issa et al 2011 ; Adeleye, Shelle, and Akinnigbagbe 2011 ). Concentrations of Cr varied from 4.9 to 5.6 mg kg −1 , which is higher than 0.08–0.31 mg kg −1 reported for sediments from the Abonnema shoreline (Ideriah, David-Omeiema, and Ogbonna 2012 ).…”

Section: Resultssupporting

confidence: 91%

Assessment of physico-chemical properties and metal contents of water and sediments of Bodo Creek, Niger Delta, Nigeria

Vincent-Akpu

Tyler

Wilson

et al. 2015

Toxicological & Environmental Chemistry

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Some physico-chemical properties and the concentrations of the metals Fe, Mn, Ni, Cd, Cr, Co, Cu, Pb, and Zn in water and sediments were examined from September 2011 to January 2012 in Bodo Creek, where oil spills have been recurrent. Temperature, pH, total dissolved solid, conductivity, salinity, dissolved oxygen, biological oxygen demand (BOD), chemical oxygen demand (COD), total hardness, sulfate, nitrate, and phosphate were determined in surface water. Particle size, total organic matter (TOM), and pH were also determined in the sediments. The parameters were within permissible limits except the mean values of BOD, COD, total hardness, and sulfate that exceeded levels permissible for domestic use. The sediments consisted mainly of sand, with TOM ranging from 0.2% to 5.5%. With the exception of cadmium that was below detection limit, metal levels (mg kg−1) in the sediments were 12 (Mn), 1070 (Fe), 10 (Cu), 10 (Zn), 5.3 (Cr), 1.1 (Pb), 1.0 (Ni), and 0.5 (Co) while in water they were 24, 98, 21, 6.9, 4.0, 0.6, 0.18, and 0.16, respectively. The latter were higher than World Health Organization recommended permissible levels for both surface and drinking water.

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Section: Resultssupporting

confidence: 91%

Assessment of physico-chemical properties and metal contents of water and sediments of Bodo Creek, Niger Delta, Nigeria

Vincent-Akpu

Tyler

Wilson

et al. 2015

Toxicological & Environmental Chemistry

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“…The Mudskippers are typical recipients of HMs when pollution occurs in the coastal ecosystem as they are capable of accumulating and tolerating HMs in their tissues [26,27,28]. Being amphibious, mudskippers migrate to deep water and to the mangrove daily [28,29], thus, having direct contact with the different pollutants that enter into coastal water via any route -industrial, agricultural and domestic activities [27,30]. The plasma enzyme levels in mudskippers of polluted water have been reported to be higher, consequently leading to a change in their ability to metabolize protein [31].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Some Heavy Metals in Selected Sea Foods Directly from the Creeks in Rivers State, Nigeria

Elekima

Edookue

Pepple

et al. 2020

JAMPS

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To assess and compare the levels of arsenic, cadmium, mercury and lead, in common seafoods (mudskippers, periwinkle and Shrimp) consumed in Rivers state obtained from different creeks of Rivers State Nigeria. Study Design: Commonly consumed seafoods in Rivers State: Periopthalmus barbarous (mudskipper), Pandalus borealis (shrimp) and Tympanotonus fucatus (periwinkle) were collected at 5 different occasions from each of the study location (creek): Eagle Island, Iwofe, Bodo and Borokiri creeks in Rivers State. Eagle Island and Iwofe creeks are in Obio/Apkor and Degema LGA respectively, Borokiri Creek is in Port Harcourt LGA while Bodo creek is located in Gokana LGA. Study Area: The study was carried out in the Department of Medical Laboratory Science, Rivers State University between the periods of June, 2018 – March, 2019. Samples of seafoods were collected from Bodo, Eagle Island, Borokiri and Iwofe creeks of Rivers State for 5 times at interval of 30 days between the periods of June, 2018 – October, 2018 during the wet season. Methodology: Periopthalmus barbarous, Pandalus borealis, and Tympanotonus fucatus were collected from Eagle Island, Iwofe, Bodo and Borokiri creeks. The samples were correctly labeled, dried in an oven at 80°C, ground to powdered form then sieved to attain homogenous particles. Each sample was weighed, recorded and the concentrations of metals in the samples were determined. Two (2) grams each of the ground samples were weighed and put into a beaker with 6mls of nitric acid (HNO3) which was added as oxidizing acid to break the sample matrix and 2ml of perchloric acid as a reagent with 2 mls of de-ionized water was added to blend it. The sample was place on a heating mantle at 105°C until the sample volume reduced to two third of its original volume, the sample color clear and turns yellowish and its entire component was digested. The concentration of HMs: lead, arsenic, cadmium and mercury in the digested seafood samples were analysed using Atomic absorption spectrophotometer (AAS). The concentration of HMs from the sample were determined from the absorbance calibration in parts per million (ppm) or mg/kg dw. Results: The bio-concentration mercury and arsenic in the selected seafoods from the creeks were below the World Health Organization permissible limits while levels of cadmium and lead in the seafoods in the order of periwinkle>mudskipper>shrimp collected from these creeks were above the FAO/WHO permissible limits of 0.5 1.0 mg/kg dw and 2.0 mg/kg dw respectively. Conclusion: Mudskipper, periwinkle and shrimp were observed to bio-accumulate HMs beyond FAO/WHO permissible limits. Toxicities of these HMs in humans could induce several clinical derangements and eventually death if drastic measures are not put in place to stop or limit these anthropogenic activities.

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Cigarette butts abundance and association of mercury and lead along the Persian Gulf beach: an initial investigation

Dobaradaran

Schmidt

Nabipour

et al. 2017

Environ Sci Pollut Res

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The toxic metal contents of cigarette butts and distribution of cigarette butts have not been studied well in maritime environment. In the present study, cigarette butts distribution and the associations of Hg and Pb from cigarette butts were monitored along the Persian Gulf with 10 days interval sampling time. The number of cigarette butts, and Hg and Pb associations of butts were found to vary widely between 2 and 38 items per square meter, 2.5 and 86.32 ng/g cigarette butt (CB), as well as 650 and 8630 ng/g CB, respectively. Wilcoxon signed-rank test showed that there were no significant differences between the number of butts, and Hg and Pb contents of the butts at different sampling times. Considering amount of cigarette butts littered yearly, this study demonstrates that remarkable toxic metals of Hg and Pb may enter maritime environment each year and may introduce critical hazards to aquatic organisms, enter food chain, and finally human body.

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Trace Metals in Water, Fish and Sediments from Elechi Creek, Port Harcourt, Rivers State, Nigeria

Cited by 6 publications

References 0 publications

Assessment of physico-chemical properties and metal contents of water and sediments of Bodo Creek, Niger Delta, Nigeria

Assessment of physico-chemical properties and metal contents of water and sediments of Bodo Creek, Niger Delta, Nigeria

Evaluation of Some Heavy Metals in Selected Sea Foods Directly from the Creeks in Rivers State, Nigeria

Cigarette butts abundance and association of mercury and lead along the Persian Gulf beach: an initial investigation

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