Roadside air pollution in a tropical city: physiological and biochemical response from trees

Uka, Ufere N.; Belford, Ebenezer J. D.; Hogarh, Jonathan N.

doi:10.1186/s42269-019-0117-7

Cited by 24 publications

(14 citation statements)

References 19 publications

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“…Uka et al [ 98 ] reported that the carotenoid content was lower for the leaf samples of four tree species, which were collected from the arterial road sites, and those species significantly differed at the control site except Polyalthia longifolia (p < 0.05). In the Terminalia catappa 0.11 mg/g of carotenoid content was noted at the Arterial road III.…”

Section: Discussionmentioning

confidence: 99%

Heavy metal accumulation by roadside vegetation and implications for pollution control

Altaf

Altaf²,

Hussain

et al. 2021

PLoS ONE

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Vehicular emissions cause heavy metal pollution and exert negative impacts on environment and roadside vegetation. Wild plants growing along roadsides are capable of absorbing considerable amounts of heavy metals; thus, could be helpful in reducing heavy metal pollution. Therefore, current study inferred heavy metal absorbance capacity of some wild plant species growing along roadside. Four different wild plant species, i.e., Acacia nilotica L., Calotropis procera L., Ricinus communis L., and Ziziphus mauritiana L. were selected for the study. Leaf samples of these species were collected from four different sites, i.e., Control, New Lahore, Nawababad and Fatehabad. Leaf samples were analyzed to determine Pb2+, Zn2+, Ni2+, Mn2+ and Fe3+ accumulation. The A. nilotica, Z. mauritiana and C. procera accumulated significant amount of Pb at New Lahore site. Similarly, R. communis and A. nilotica accumulated higher amounts of Mn, Zn and Fe at Nawababad and New Lahore sites compared to the rest of the species. Nonetheless, Z. mauritiana accumulated higher amounts of Ni at all sites compared with the other species included in the study. Soil surface contributed towards the uptake of heavy metals in leaves; therefore, wild plant species should be grown near the roadsides to control heavy metals pollution. Results revealed that wild plants growing along roadsides accumulate significant amounts of heavy metals. Therefore, these species could be used to halt the vehicular pollution along roadsides and other polluted areas.

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Section: Discussionmentioning

confidence: 99%

Heavy metal accumulation by roadside vegetation and implications for pollution control

Altaf

Altaf²,

Hussain

et al. 2021

PLoS ONE

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“…The use of motor vehicles is the largest contributor to pollution in the air. The use of low-quality fuel can worsen air quality in the environment (Uka et al 2019). Pollutant gases produced include carbon monoxide (CO), sulfur dioxide (SO2), nitrogen oxides (NOx), hydrocarbons, volatile organic compounds (VOCs), and particulate matter (PM) (Uka et al 2019).…”

Section: Introductionmentioning

confidence: 99%

“…The use of low-quality fuel can worsen air quality in the environment (Uka et al 2019). Pollutant gases produced include carbon monoxide (CO), sulfur dioxide (SO2), nitrogen oxides (NOx), hydrocarbons, volatile organic compounds (VOCs), and particulate matter (PM) (Uka et al 2019). Developing countries account for 50 -80% of the NO2 and CO gases in the air from motor vehicles (Adeyanju 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Plants can absorb and accumulate various air pollutants by absorption through stomata on the leaves (Uka et al 2019). Based on research by Roshintha and Mangkoedihardjo (2016) mentioned that Samanea saman can absorb CO2 of 3,252.1 g/hour, Swietenia macrophylla 3,112.43 g/hour followed by Bauhinia purpurea 1,331.38 g/hour, Alstonia scholaris 1,319.35 g/hour, and Ficus benjamina 1,146.51 g/hour.…”

Section: Introductionmentioning

confidence: 99%

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Trees Physiological Responses to Air Pollution in Taman Margasatwa Ragunan and Ui Depok Campus

HAMID,

YULIATI,

PUTRIKA

2022

BIOTROPIA

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Air pollution is a common environmental problem. Planting trees can minimize the adverse effects of air pollution. Plants can absorb and accumulate air pollutants through stomata. Biochemical changes in the leaves will appear as a physiological response of plants to air pollution that can be known by calculating the APTI (Air Pollution Tolerance Index) value. This study aimed to analyze the differences in physiological responses of five tree species in Taman Margasatwa Ragunan (TMR) South Jakarta and Universitas Indonesia (UI) Depok Campus as well as to find out the proper tree species planted in areas with high levels of air pollution. The leaves of five species (Hevea brasiliensis, Manilkara kauki, Artocarpus heterophyllus, Ficus septica, and Mangifera indica) were used to examine the effect of air pollution. Biochemical parameters (relative water content, leaf extract pH, total chlorophyll content, and ascorbic acid content) were observed from each species. The value of each parameter was calculated into the APTI equation. H. brasiliensis, F. septica, and M. indica were categorized as moderately tolerant plants, M. kauki were included as intermediate plants, and A. heterophyllus was a sensitive plant to air pollution in both locations. The highest APTI values were observed in M. indica in both locations. Thus, the recommended species planted in a polluted area was M. indica.

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“…a Mean ± SE in the same column with different letters in superscript are significantly different (P < 0.05) Source:Uka et al (2019) …”

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confidence: 99%

Response of roadside tree leaves in a tropical city to automobile pollution

Uka¹,

Belford²

2020

Not Sci Biol

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One of the sources of air pollutants in the surrounding environment is the automobile emissions. Automobiles produce gaseous and particulate matters which are toxic and inflict damage to roadside plants. Roadside trees are notable for the absorption, sequestering of contaminants and the effective interceptor of airborne pollution. In view of this, the present work was based on investigating the macro-morphological and micro-morphological changes that boost the tolerance and continued existence of four roadside trees, namely Ficus platyphylla, Mangifera indica, Polyalthia longifolia and Terminalia cattapa in the incidence of vehicle exhaust emissions in Kumasi Metropolis, Ghana. Three arterial roads representing three different traffic volumes of extreme, heavy and severe were considered as observational sites. Kwame Nkrumah University of Science and Technology Campus was selected as the control site. The macro-morphological characteristics of the four tree species showed reduced leaf area, whilst the micro-morphological results revealed that stomata size, number and index were reduced at the arterial roadsides in all the four tree species. There was increased epidermal cell number and length and trichome length at the polluted arterial roadsides when compared to the control. These variations can be considered as pointers of environmental stress and could be used as indicators of urban air pollution.

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Roadside air pollution in a tropical city: physiological and biochemical response from trees

Cited by 24 publications

References 19 publications

Heavy metal accumulation by roadside vegetation and implications for pollution control

Heavy metal accumulation by roadside vegetation and implications for pollution control

Trees Physiological Responses to Air Pollution in Taman Margasatwa Ragunan and Ui Depok Campus

Response of roadside tree leaves in a tropical city to automobile pollution

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