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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2015, 36 (3)                                     Back


nstantaneous and historical temperature effects on a-pinene

Assessment of air pollution tolerance index of some trees

in Haridwar City, Uttarakhand 

 

Sangeeta Madan* and Pooja Verma

Department of Environmental Sciences, Kanya Gurukul Campus, Gurukul Kangri Vishwavidyalay, Haridwar-249 404, India

*Corresponding Author?s E-mail: n.madan79@gmail.com

 

 

 

 Publication Data

Paper received:

13 August 2013

 

Revised received:

01 August 2014

 

Accepted:

22 September 2014

 

Abstract

Three different plant species i.e., Ficus religiosa, Polyalthia longifolia and Azadirachta indica were collected from residential (S1), commercial (S2), industrial (S3) and control areas of the city to study the relative tolerance of plant species. Variation in biochemical parameters like relative water content, leaf pH, ascorbic acid, total chlorophyll, carotenoids and dust interception efficiency were found to be pollution load dependent. These variations can be used as indicators of air pollution for early diagnosis of stress or as a marker for physiological damage to trees prior to the onset of visible injury symptoms. The present findings showed that maximum APTI was observed in Azadirachta indica and minimum in Ficus religiosa. ?   

 

 

 Key words

 

Air pollution tolerance index, Ascorbic acid, Carotenoid, Total chlorophyll

 

 

 

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