Abstract
Air Pollution Tolerance Index (APTI) was assessed for ten dominant tree species growing in different avenues of urban Bengaluru. The leaf samples were collected from Peenya – an industrial area; Koramangala - Residential area; Kamaraj road - commercial area in Shivajinagara and Bangalore University – a sensitive area were used to determine their Air Pollution Tolerance Index by analysing the ascorbic acid, chlorophyll, pH, and relative water contents. The tree species Anacardium occidentale (17.56) showed the highest APTI value followed by Saraca asoca (16.56), Peltophorum pterocarpum (12.85), Spatodia campunalata (12.91), Cassia siamea (11.65), Michelia champaka (10.76), Pongamia pinnata (9.39), Albezia lebbeck (7.83), Delonix regia (7.39) and Muntingia calabura (6.0). The tree species having higher APTI values are tolerant to air pollution and can be used as an effective indicator, pollution scavengers and thus, can be planted for pollution abatement in order to control and reduce environmental pollution to make the environment clean for healthy life.
Key-Words / Index Term
Air pollution, APTI, avenue, environment, trees, urban areas
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