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Elaborating solutions for bringing sustainability in the air-polluted urban environment via use of plants' anticipated performance and air pollution tolerance indices
Urban Climate ( IF 6.0 ) Pub Date : 2024-10-12 , DOI: 10.1016/j.uclim.2024.102156 Aaiza Qamar, Shahab Ali, Shujaul Mulk Khan
Urban Climate ( IF 6.0 ) Pub Date : 2024-10-12 , DOI: 10.1016/j.uclim.2024.102156 Aaiza Qamar, Shahab Ali, Shujaul Mulk Khan
Plants in general and those which are susceptible to the environmental pollution in particular, can act as bio-indicators for assessing the air pollution. Moreover, the plants which show tolerance to environmental deteriorations can be helpful as bio-monitors and metigators for air pollution. The present study was conducted to evaluate the tolerance level of dominant plant species in the twin cities of Pakistan i.e., Islamabad (a model city) and Rawalpindi (an old city). Extensive fieldwork was done on roadsides of Rawalpindi and Islamabad (roads demarkating these cities). A total of 201 plants were documented out of which thirteen plant species were found as dominant i.e. Alstonia scholaris L. (Devil tree), Ficus benjamina L. (Weeping fig), Melia azedarach L. (chinaberry tree), Rosa indica. L. (Cyme rose), Terminalia arjuna (Roxb.) Wight & Arn. (Arjuna), Pongamia pinnata L. Pierre. (Pongame oil tree), Jasminum humile L. Revolutum. (Jasmine), Morus alba L. (silkworm mulberry), Robinia pseudoacacia L. (black locust), Ficus carica L. (common fig), Azadirachta indica A. (neem), Dalbergia sissoo Roxb. (shisham). The biochemical, physiological, and socio-economic parameters, Air Pollution Tolerance Index (APTI) and Anticipated Performance Index (API) were evaluated. Our findings further showed that proline and sugar content were found higher in the plants of Rawalpindi than in Islamabad while few other physiological and biochemical parameters showed higher levels in the plants obtained from the Islamabad site as compared to Rawalpindi. The plant species A. scholaris, T. arjuna, B. papyrifera, and R. pseudoacacia serve as bio-monitors and are the most desirable and most effective tolerant species for air pollution and green belt developments of these cities. These plants can be recommended for metigation of air pollution and smog in other cities having the same climate.
更新日期：2024-10-12
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