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Satellite and In Situ Detection of Air Pollution in Urban Area – Case Study of El Eulma Town (North East of Algeria)
 
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1
Departmnent of Plant Biology and Ecology, Faculty of Nature and Life Sciences, University of Ferhat Abbas Setif 1, Algeria
 
2
Laboratory Researches of Soil and Sustainable Development, Department of Biology, Faculty of Sciences, Badji Mokhtar University, BP12, 23000 Annaba, Algeria
 
3
Laboratory Urban Project, City and Territory, Faculty Architecture and Earth Sciences, University of Ferhat Abbas Setif 1, Algeria
 
4
MISC Laboratory, Constantine, MISC Laboratory, University of Abdelhamid Mehri, Ali Mendjeli Campus, 25000 Constantine, Algeria
 
5
Laboratory Researches of Soil and Sustainable Development, Department of Biology, Faculty of Sciences, Badji Mokhtar University. BP12, 23000 Annaba, Algeria
 
 
Corresponding author
Amina Beldjazia   

Departmnent of Plant Biology and Ecology, Faculty of Nature and Life Sciences, University of Ferhat Abbas Setif 1, Algeria
 
 
Ecol. Eng. Environ. Technol. 2023; 4:200-209
 
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ABSTRACT
The use of plants along roads can be consider to improve roadside air quality and to reduce human exposure to drust. Besides, the majority among of the drusts are accumulated on their leaves, that’s why they are used as an indicator to estimate the air quality. This work illustrates the interest of the urban vegetation and satellite data to detect the air pollution in the town of El Eulma which located in the North East of Algeria. To achieve this, the use of remote sensing plays a significant role in studying the temporal and spatial distribution of air pollution, as well as its impact on the ecosystem througout Normalized Pigment Chlorophyll Ratio Index (NPCI). In the other hand, the analysis of leaves of most dominant plants make it possible to understand the air quality in this region. Four species are selected from different plots in the study area as well as : nerium (Nerium oleander), planetree (Platanus acerifolia), wax-leaf privet (Ligustrum japonicum) and white mulberry (Morus alba). The obtained results show that the ratio fresh matter/dry matter of leaves varied from site to another which is very weak in places marked by high anthropic action. Also, the statisical analysis found that this ration is very important in planetree and white mulberry. The high concentration in dust registered in nerium leaves contributes to the decrease of the ratio fresh matter/dry matter in this species. The results of NPCI are verry weak in nerium compared to other species, while a very large amount of dust has been recorded on their leaves, which prevents the photosynthetic reaction. The findings of this work might contribute to the plant species selection for urban vegetation and the important of the use of NPCI index in evaluation of the pollution intensity which accord to the results of the ratio fresh matter/dry matter.
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