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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP
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    Abstract - Issue Sep 2008, 29 (5)                                     Back


Interactions between marine facultative epiphyte Chlamydomonas sp

Biomonitoring of metal deposition by using moss transplant method through Hypnum cupressiforme (Hedw.) in Mussoorie

D.K. Saxena, Kajal Srivastava* and Shivom Singh

Bryological Science Division, Department of Botany, Bareilly College - 243 005 Bareilly, India

(Received: September 22, 2006; Revised received: June 01, 2007; Accepted: June 27, 2007)

Abstract: Metals Cu, Zn, Cd and Pb were surveyed at 14 sampling sites by using moss Hypnum cupressiforme through active monitoring technique. Samples were transplanted in all four directions of Mussoorie city and were harvested after exposure of four months (representing each season) to analyze metal precipitation and its trend at different sites during 2005. Bioaccumulation ability for metals was evaluated seasonally, exhibiting maximum in summer followed by winter and minimum in rainy season. However, at some places Cu shows highly significant values in rainy season in comparison to winter. In case of Zn and Pb significantly different (p £ 0.05) values were observed between summer and rainy season. Baseline concentration of Cu, Pb and Zn was significantly different at 5% in comparison to other transplant sites. Result indicates Dhanaulti as most polluted location might be due to higher tourist activity and vehicular load, whereas, same was found low at Chamba might be due to place was free from pollution sources or away from in proximity to road and have low human interference. The present study allows us to determine the extent of the area affected by metal precipitation load in different rural and urban areas and abundance of metals in order of Zn>Pb>Cu>Cd.

Key words:   Hypnum cupressiforme, Biomapping, Metals, Precipitation, Garhwal region, Himalayan hills

PDF of full length paper is available with author (*kajals101@rediffmail.com)

 

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