Occurrence of tributyltin compounds and characteristics of heavy metals

Sheikh, Mohammed Ali; Noah, Naumih M.; Tsuha, K.; Oomori, Tamotsu

doi:10.1007/bf03325961

Cited by 30 publications

(8 citation statements)

References 38 publications

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“…Heavy metals are among the most common environmental pollutants and their occurrence in waters and biota are from natural or anthropogenic sources. The existence of trace metals in aquatic environments has led to serious concerns about their influence on plant and animal life (Sheikh et al 2007;Zvinowanda et al 2009). Severe imbalances on metal proportions, caused by exposure to elevated concentrations, can even induce the death of organisms (Agbozu et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Metal contamination assessment in the urban stream sediments and tributaries of coastal area southwest Nigeria

Odukoya

Akande

2015

Chin. J. Geochem.

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A geochemical assessment of the fifty surface stream sediments from Ikorodu Southwest Nigeria was carried out to determine the level of contamination. The sediments were dried, disaggregated and sieved to \75 lm fraction for geochemical analysis, using the aqua-regia digestion technique and inductively coupled plasma mass spectrometry. Major elements showed the following trendTi and were below the average shale concentration, except for Na in one sample. Results from factor and correlation analyses showed two groups of trace elements Ni, Co, Mn, U, Th,

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Section: Introductionmentioning

confidence: 99%

Metal contamination assessment in the urban stream sediments and tributaries of coastal area southwest Nigeria

Odukoya

Akande

2015

Chin. J. Geochem.

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“…Coral reef ecosystems face a variety of threats from land and marine based anthropogenic activities (Peter et al, 2014;Ali et al, 2013;Balakrishnan et al, 2012;Sheikh et al, 2007;Sheikh et al, 2009b;ISRS, 2004;Albanis, 2004, Lamoree et al, 2002;Biselli et al, 2000), global warming (Peter et al, 2014) as well as competition for survival (Ferrier-Pages et al, 2011;Amar et al, 2008;Dizon and Yap, 2005) which cause deterioration of coral reefs and other marine resources.…”

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confidence: 97%

“…The reefs around Zanzibar have been recently degraded due to developmental activities such as mushrooming of tourist resorts, snorkeling and boating activities. Direct discharge of municipal untreated sewage and shipping activities are among the challenges of conservation strategies of coastal resources in the Island (Sheikh et al, 2007).…”

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confidence: 99%

Occurrence and distribution of antifouling biocide Irgarol-1051 in coral reef ecosystems, Zanzibar

Sheikh

Juma

Stæhr

et al. 2016

Marine Pollution Bulletin

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“…The existence of trace metals in aquatic environments has led to serious concerns about their influence on plant and animal life (Sheikh et al 2007;Zvinowanda et al 2009). Industrial wastes have the potential to contribute strong acid to a water body and may cause dented effects on both the fauna and flora.…”

Section: Introductionmentioning

confidence: 99%

A Statistical Approach for Evaluation of the Effects of Industrial and Municipal Wastes on Warri Rivers, Niger Delta, Nigeria

Onojake

Ukerun

Iwuoha

2011

Water Qual Expo Health

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Rivers in Warri, Delta State of Nigeria are of particular importance in surface water pollution studies as they act as receptacles for effluents from oil industries, municipal sewage, agricultural and urban run-off. The water quality of these rivers is thus considerably changed. Results obtained from the analyses were correlated using Pearson's correlation matrix, principal component analysis and pollution index. Positive correlations were observed for pH, conductivity, TDS, Cl − , Mg 2+ , NO 2− 3 , COD, Cd and Ni 2+ . The pollution index, PI, for all the samples (1.11) is considered critical and indicates that the water samples from these rivers require treatment before use. Multivariate statistical and principal component analyses of the data showed three major components: PC1 with variance 6.42 representing 42.8% of the total variability, PC2 with variance 3.76 representing 25.10% of total variability, and PC3 with variance 2.13 representing 14.20% of the total variability. The first three principal components with eigenvalues greater than 1 represent 82.10% of the total variability, suggesting that three principal components adequately explain the variation in the data set. The results of the analyses when compared with World Health Organization (WHO) indicated that the rivers were polluted and so the water from such rivers is not safe for domestic use.

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Occurrence of tributyltin compounds and characteristics of heavy metals

Cited by 30 publications

References 38 publications

Metal contamination assessment in the urban stream sediments and tributaries of coastal area southwest Nigeria

Metal contamination assessment in the urban stream sediments and tributaries of coastal area southwest Nigeria

Occurrence and distribution of antifouling biocide Irgarol-1051 in coral reef ecosystems, Zanzibar

A Statistical Approach for Evaluation of the Effects of Industrial and Municipal Wastes on Warri Rivers, Niger Delta, Nigeria

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