Impact of trace metals and nutrients levels on phytoplankton from the Kuwait Coast

Bu-Olayan, A. H.; R, al-Hassan; Thomas, B. V.; Subrahmanyam, M.N.V.

doi:10.1016/s0160-4120(00)00106-9

Cited by 37 publications

(18 citation statements)

References 10 publications

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“…The overall analyses revealed trace metal levels at 0.12-96.86 µg/g in benthic organisms during winter than in summer (0.98-54.13 µg/g). The reasons may be due to the trace metals transfer from sediment to the benthic organisms and supports the earlier findings [2,5]. Comparative studies in most of the observations (Table 5) revealed higher trace metal levels in benthic molluscs and annelids in Kuwait Bay than in the earlier observations from other countries [3,10,24,26].…”

Section: Resultssupporting

confidence: 83%

“…Doha consistently had the high trace metals level (0.93-96.86 µg/g) in all the samples than the other Kuwait Bay sites. This attributes to (1) stagnant water in the Bay causing accumulation of metals in these organisms, and (2) the discharge of domestic and wastewater into the Bay which supported earlier observation [5]. The overall analyses revealed trace metal levels at 0.12-96.86 µg/g in benthic organisms during winter than in summer (0.98-54.13 µg/g).…”

Section: Resultssupporting

confidence: 83%

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Validating Species Diversit Y of Benthic Organisms to Trace Metal Pollution in Kuwait Bay, Off the Arabian Gulf

-OLAYAN¹

2005

Appl Ecol Env Res

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Bu-Olayan and Thomas: Validating species diversity of benthic organisms to trace metal pollution - Abstract. Benthic organisms diversity were observed in the sequence of Annelida > Mollusca > Crustacea > "Diversa" group. Levels of trace metals in benthic organisms were in the range 0.12-96.86 µg/g during winter and 0.98-54.13 µg/g in summer. Species diversity index (H'), evenness index (J) and index of dominance (λ) were in the range 0.951-1.368 bits/unit, 0.475-0.684, and 0.19-0.33 respectively, for benthic organisms sampled in Kuwait Bay sites. Evenness index (-) was found to increase with increasing H'. Seasonally, an inverse correlation was observed between species richness (R1 and R2).Comparative studies revealed low diversity indices correspondingly to the increase in trace metal level in benthic species collected from four sites except Doha wherein high abundance of certain benthic species and high trace metal levels due to manmade perturbations were observed altering the diversity indices. Furthermore, these indices will validate benthic organisms as an indicator to trace metal pollution in Kuwait marine ecosystem.

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Section: Resultssupporting

confidence: 83%

Section: Resultssupporting

confidence: 83%

Validating Species Diversit Y of Benthic Organisms to Trace Metal Pollution in Kuwait Bay, Off the Arabian Gulf

-OLAYAN¹

2005

Appl Ecol Env Res

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“…Also it seems that release of different contaminants from various sources such as petrochemical complexes, agricultural lands, and urban area lead to high concentrations of Cd and Pb in Shadegan wetland. In comparison to other sites in the world, concentrations of studied trace elements are high in sediment samples of the study area (Karadede and Ünlü 2000;Bakaç and Kumru 2001;Mora et al 2004;Bu-Olayan et al 2001). Figures 2, 3, and 4 show concentration of trace elements in different tissues of studied fish species.…”

Section: Resultsmentioning

confidence: 58%

Bioaccumulation of trace elements in different tissues of three commonly available fish species regarding their gender, gonadosomatic index, and condition factor in a wetland ecosystem

Alhashemi

Karbassi

Kiabi

et al. 2011

Environ Monit Assess

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In the present research, accumulation of Cd, Co, Cr, Cu, Mn, Ni, Pb, V, and Zn were determined in sediments and fillet, liver, kidney, gonads, and gills of three commonly fish species in the largest wetland ecosystem that is located in southwest of Iran; Shadegan wetland. Shadegan is one of the most important wetland that posses various fauna and flora but suffers inputs from agricultural and industrial activities. So, sediment samples and fish species including Barbus grypus, Barbus sharpeyi, and Cyprinus carpio were collected during winter 2009. Results showed that mean concentrations of trace elements (except Ni and Co) were high in liver and gills of B. grypus. Also trace elements had the most accumulation in liver of B. sharpeyi except for Cd (0.26 mg kg(- 1) d.w.) and Mn (13.45 mg kg(- 1) d.w.) that were high in gills. Beside, kidney is determined as target tissue for Ni and V in B. grypus and for Pb in C. carpio, due to their high concentration. Zn levels in all tissues of C. carpio showed the highest concentrations in comparison to other fish species. Generally, accumulations of most of the studied elements in B. grypus and B. sharpeyi were higher in females than in males, while in fillet and gonads of C. carpio, this trend was inverted. Bioaccumulation factors (BAFs) were determined for different tissues of fish species with respect to elemental concentrations in sediment. BAFs results indicated that Zn, Pb, and Cu have higher BAF than other elements. Also this investigation demonstrated that trace elements have different affinities with condition factor of studied fish species. Gonadosomatic index (GSI) and Pb showed positive correlation together in both B. sharpeyi and B. grypus, respectively, in females and males. Moreover, females of C. carpio showed significantly positive relation of GSI and all studied elements.

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“…Mine production includes Cd, Cu, Pb and Hg in considerable amounts (Kennish, 1996). These pollutants, which are derived from growing number of diverse anthropogenic sources, industrial effluents, urban run-off, sewage treatment plants, agricultural run off and domestic garbage dumps etc., have progressively affected more and more ecosystems (Wickfors and Ukeles, 1982;Rebhun and Amotz, 1984;Cotte-Krief et al, 2000;Bu-Olayan et. al., 2001;Macfarlane and Burchett, 2001;and Esser and Volpe, 2002).…”

Section: Introductionmentioning

confidence: 99%

Cadmium induced histopathological changes in the stomach and small intestine of Swiss albino mice Mus musculus

Mohapatra

Kumari

Datta

2009

JANS

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Abstract:The results on the effect of oral administration of cadmium chloride on the histomorphology of the stomach and small intestine of Swiss albino mice revealed severe histopathological effects in the tissues of both stomach and small intestine. There is marked atrophy of musculature, and disintegration of sub-mucosal and mucosal tissues, distortion of villi with disintegration of mucosal epithelial cells characterized by cytoplasmic vacuolization, nuclear pycnosis and nuclear fragmentation. A significant damage in the Brunner's gland and crypts of Liberkuhn has been observed.

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Impact of trace metals and nutrients levels on phytoplankton from the Kuwait Coast

Cited by 37 publications

References 10 publications

Validating Species Diversit Y of Benthic Organisms to Trace Metal Pollution in Kuwait Bay, Off the Arabian Gulf

Validating Species Diversit Y of Benthic Organisms to Trace Metal Pollution in Kuwait Bay, Off the Arabian Gulf

Bioaccumulation of trace elements in different tissues of three commonly available fish species regarding their gender, gonadosomatic index, and condition factor in a wetland ecosystem

Cadmium induced histopathological changes in the stomach and small intestine of Swiss albino mice Mus musculus

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