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Submitted
March 21, 2007
Published
June 21, 2007
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Abstract

Moss  Barbula  vinealis and  Rhodobryum roseum   used  as  biomonitor  of  metal   precipitation  at  Nainital  during 2004  -  2005  to  examine  deposition  of  Zn,   Cu,  Cd,  Pb  at  Nainital area,  around point  sources   in  all  the  four directions.  Moss  bags   were   transplanted at  8  sites for fixed   exposure time  in  sampling  seasons   (summer, monsoon   and  winter)  and    were   harvested periodically after  4 months   of  exposure.  An  increase in  amount of metals   in  2004  -  2005  reflects an  increase in  metals  in  air. High   metallic load  was  observed in  locations  in proximity of higher traffic  density. From   the result, it  is  concluded that local   sources in  Nainital,  especially due  to  enhanced tourism during  summer, contributes  to  elevated metal   deposition  in  comparison  to  winter and   monsoon   season. Active  monitoring  by  4  months of  exposure of  mosses   gives   reliable results on  metal contamination.  Study   also  aim  at  assessing the suitability  of  both   mosses   as  a biomonitor for  metal   deposition. Study   confirms that  in  Nainital, where  due  to  higher vehicular traffic,  wear and   tear of  vehicular parts  and beside   it    increasing   tourist   activity,    high    level     of    Zn,   Pb    was    measured   in    moss    transplant bags.Bioaccumulation ability  in  these  two   mosses   was   evaluated  statistically  using   Dunkun's  Multiple Range  Test and   was  presented on  contour maps  obtained from  SURFER program.

Keywords

Element concentration Barbula vinealis Rhodobryum roseum biomonitoring

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Saxena, D. K., Srivastava, K., & Singh, S. O. (2007). Moss bag technique for monitoring of metal precipitation. Environment Conservation Journal, 8(1&2), 85–92. https://doi.org/10.36953/ECJ.2007.081211
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