Assessment of lead in roadside vegetation in Bahrain

Madany, Ismail M.; Ali, S.Mahmood; Akhter, Mohammad Salim

doi:10.1016/0160-4120(90)90152-v

Cited by 23 publications

(10 citation statements)

References 13 publications

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“…This is similar to the data on lead pollution from road traic in the Rahma domain [17]. The apparition of this class can be due to the hazardous waste and to the emanations of exhaust gases issued from the road traic.…”

Section: Classsupporting

confidence: 67%

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Air Pollution Mapping with Bio‐Indicators in Urban Areas

Mohamed¹,

Maatoug²,

Mihoub³

et al. 2016

Air Quality - Measurement and Modeling

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Our study consists of the assessment and the mapping of the atmospheric pollution, which concerns the region of Tiaret city, by using the lichens as bioindicators. In our zone, we did a survey on 25 domains by using Kirschbaum and Wirth 1997 method. This method has enabled to deine ive classes according to the calculated air quality index (AQI . The dominant class was the one that contained a high pollution degree, which is relected through the spatial distribution of the lichen species. The achieved map allows us to beter visualize the pollution state.

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Section: Classsupporting

confidence: 67%

“…As we move away from the dense centre of the agglomeration (Louz as the pollution level decreases. Maatoug et al [17] have efectively conirmed that the opened sites are less polluted, favouring the dispersion of the atmospheric fallout which is carried by the wind.…”

Section: Classmentioning

confidence: 99%

Air Pollution Mapping with Bio‐Indicators in Urban Areas

Mohamed¹,

Maatoug²,

Mihoub³

et al. 2016

Air Quality - Measurement and Modeling

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“…High levels of Pb measured in the soils and sediments of coastal stations in Bahrain were attributed to pollution from land‐based industrial and urban sources, namely automobiles (Akhter & Al‐Jowder, ). The heavy metals Pb, Zn, Cd, Cr and Ni were measured in both indoor house dust and outdoor street dust from different sites in Bahrain, being attributed mainly to automobile exhausts (Madany, Ali, & Akhter, ). Moreover, aviation airports represent a significant source of Pb emissions (Jeremy, ), noting it is present as a trace contaminant in gasoline and diesel fuels, and also a component of lubricating oil.…”

Section: Resultsmentioning

confidence: 99%

Sources and spatial distribution of lead (Pb) and cadmium (Cd) in saline soils and sediments of Mighan Playa (Iran)

Sinegani

Hadipour

2018

Lakes & Reservoirs

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Rapid industrialization has led to an extraordinary increase in environmental pollution in Arak, Iran. This study classified the distribution of iron (Fe), manganese (Mn), lead (Pb) and cadmium (Cd) in sediments and soils of Mighan Playa (Iran) and analysed the pollution sources using geostatistical methods. Samples were taken from 250 points and the data analysed by means of SPSS, GS+ and ArcGIS. The soils were moderate to considerable polluted with Pb and high to very high polluted with Cd.

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“…Barber et al (2004) reported that many factors may affect the air-vegetation transfer including plant characteristics such as functional type, leaf surface area, cuticular structure and leaf longevity. Little (1978) and Madany et al (1990) showed that rough and hairy leaves accumulate significantly more lead (up to 10-fold) than smooth leaves. Rao and Dubey (1992) reported that morphological factors such as stomatal index and trichome density and length affect the efficiency of dust collection by plants.…”

Section: Influence Of Metals and Plant Species On Foliar Uptakementioning

confidence: 99%

Metal and metalloid foliar uptake by various plant species exposed to atmospheric industrial fallout: Mechanisms involved for lead

Schreck¹,

Foucault²,

Sarret³

et al. 2012

Science of The Total Environment

297

130

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Fine and ultrafine metallic particulate matters (PMs) are emitted from metallurgic activities in peri-urban zones into the atmosphere and can be deposited in terrestrial ecosystems. The foliar transfer of metals and metalloids and their fate in plant leaves remain unclear, although this way of penetration may be a major contributor to the transfer of metals into plants. This study focused on the foliar uptake of various metals and metalloids from enriched PM (Cu, Zn, Cd, Sn, Sb, As, and especially lead (Pb)) resulting from the emissions of a battery-recycling factory. Metal and metalloid foliar uptake by various vegetable species, exhibiting different morphologies, use (food or fodder) and life-cycle (lettuce, parsley and rye-grass) were studied. The mechanisms involved in foliar metal transfer from atmospheric particulate matter fallout, using lead (Pb) as a model element was also investigated. Several complementary techniques (micro-X-ray fluorescence, scanning electron microscopy coupled with energy dispersive X-ray microanalysis and time-of-flight secondary ion mass spectrometry) were used to investigate the localization and the speciation of lead in their edible parts, i.e. leaves. The results showed lead-enriched PM on the surface of plant leaves. Biogeochemical transformations occurred on the leaf surfaces with the formation of lead secondary species (PbCO(3) and organic Pb). Some compounds were internalized in their primary form (PbSO(4)) underneath an organic layer. Internalization through the cuticle or penetration through stomata openings are proposed as two major mechanisms involved in foliar uptake of particulate matter.

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Assessment of lead in roadside vegetation in Bahrain

Cited by 23 publications

References 13 publications

Air Pollution Mapping with Bio‐Indicators in Urban Areas

Air Pollution Mapping with Bio‐Indicators in Urban Areas

Sources and spatial distribution of lead (Pb) and cadmium (Cd) in saline soils and sediments of Mighan Playa (Iran)

Metal and metalloid foliar uptake by various plant species exposed to atmospheric industrial fallout: Mechanisms involved for lead

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