Investigation on relation between road traffic and Lead uptake in Eldar Pine (Pinus eldarica)

Document Type : Research Paper

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Abstract

Measurement of Lead (Pb) uptake in Pinus eldarica was carried out in 5 stripes parallel with Tehran-Karaj Freeway in spring and summer seasons. Measurement of Pb in pine needles was conducted by atomic absorption. Amount of Pb in tree row close to freeway and in summer time was three fold compare to farthest row. Also spring Pb uptake in pine tree close to freeway was 4 times higher compared with Pb uptake for pines in inner parts of Chitgar Parkland and average Pb uptake in spring samples was 1.5 time of summer samples. Amount of Pb rn summer samples close to freeway were up to 20 p.p.m in semi-faded samples, which was roughly the same as the Pb uptake in spring samples. Concentration of Pb in semi-faded summer samples were 2.5 times of Pb uptake in fresh pine samples in summer.
 
 

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References

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Iranian Journal of Forest and Range Protection Research
Volume 1, Issue 2 - Serial Number 2
December 2004
Pages 179-188

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History

  • Receive Date: 21 April 2003
  • Revise Date: 25 June 2016
  • Accept Date: 23 September 2003

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