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Journal of Environmental Biology

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

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    Abstract - Issue Nov 2012, 33 (6)                                     Back


nstantaneous and historical temperature effects on a-pinene

Physiological attributes of lichen, Phaeophyscia hispidula in heavy metal rich sites of Dehra Dun, India

 

Author Details

 

Vertika Shukla

Department of Environmental Science, Babasaheb Bhimrao Ambedkar (Central) University,

Raebareli Road, Lucknow - 226 025, India

D. K. Upreti

(Corresponding author)

Lichenology Laboratory, CSIR-National Botanical Research Institute,? Rana Pratap Marg,???????

Lucknow - 226 001, India

e-mail : upretidk@rediffmail.com?

D.K. Patel?

Analytical Chemistry Division, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg,

Lucknow - 226 001, India

 

 

Publication Data

Paper received:

30 May 2011

 

Revised received:

18 August 2011

 

Re-revised received:

15 October 2011

 

Accepted:

20? November 2011

 

Abstract

Phaeophyscia hispidula (Ach.) Moberg, foliose lichen is widespread in Garhwal Himalayas and grows luxuriantly on different substratum in polluted as well as non polluted sites, where no other macrolichens are able to colonize. The elemental concentration and biochemical parameters in P. hispidula collected from Dehra Dun city were analyzed to assess its tolerance to heavy metals. The major source of pollution in the city is automobiles. Among the biochemical parameters protein was significantly and negatively correlated with pigment concentrations (r= -0.3838 (Chl.b); -0.5809 (Carotenoid); -0.5034 (OD)) however it is significantly positively correlated with Cd (r = 0.6822: P<0.01). Among heavy metals, Cd was negatively correlated with Cu (r = -0.4639), Fe (r = -0.2676), and Zn (r = -0.0549). It was observed that the chlorophyll and protein content increased parallel to the level of metallic pollutants indicating the mechanism of stress tolerance in P. hispidula. The study shows that P. hispidula is tolerant to inorganic pollution and a useful tool for biomonitoring of air quality in the Himalayan region.

 

Key words

Biomonitoring, Metal tolerance, Stress physiology, Vehicular activity, Lichen

 

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