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Paper Information

Journal:   IRANIAN JOURNAL OF FOREST   WINTER 2011 , Volume 2 , Number 4; Page(s) 345 To 355.
 
Paper: 

STUDY OF INCREMENT VARIATIONS IN PLANE TREE SPECIES AT 5 SITES IN TEHRAN (CASE STUDY: PLATANUS ORIENTALIS)

 
 
Author(s):  ALI AHMAD KOROURI S., SHIRVANI ANOUSHIRAVAN, MATINIZADEH M., SHABESTANI S.*, VALIPOUR KAHROUD H.
 
* RESEARCH GROUP OF SUSTAINABLE NATURAL ECOSYSTEMS, MINISTRY OF SCIENCE, RESEARCH, AND TECHNOLOGY, I. R. IRAN
 
Abstract: 

Over 8 million people inhabit Tehran. The pollution of the city is increasing, in spite of numerous management plans applied. Hence, proper programs including tree planting could be of a great help in determining the magnitude of pollution absorption at different sites in the city. Using theoretical and applied approaches would cease pollution intensity. Long-term life-cycles enable trees to be the most appropriate and precise indices for such studies. In this study, 60 individuals of plane species were selected. Since different heights would impress the amounts of pollution absorption, we tried to core the same places in each tree. With the help of Tehran pollution map (measured mechanically), we were able to select the sampling trees from the most to least-polluted areas. Since the dried wood material were limited to run the experiments, we had to sample 5 cores and then tree cores were separated annually for latest 25 years. In addition to comparing air pollution absorption individually, the amount of uptake by different sites would be considered as well. The results indicate that, plane tree growths have dramatically decreased during last 10 years. Whilst, these trees are in their juvenile stage having an average DBH of 36 cm. Statistical measurements show that two regions of Saadat-abad and Azadi have relatively higher growth rates over other areas such as Yakhchal and Narmak. Comparing to the results of precipitations, it is obvious that increment fluctuations are not consistent with precipitation changes indicating the influence of other factors on growth, including the air pollution.

 
Keyword(s): AIR POLLUTION, MONITORING, PLATANUS ORIENTALIS, TEHRAN, TREE RING
 
 
References: 
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+ Click to Cite.
APA: Copy

ALI AHMAD KOROURI, S., & SHIRVANI, A., & MATINIZADEH, M., & SHABESTANI, S., & VALIPOUR KAHROUD, H. (2011). STUDY OF INCREMENT VARIATIONS IN PLANE TREE SPECIES AT 5 SITES IN TEHRAN (CASE STUDY: PLATANUS ORIENTALIS). IRANIAN JOURNAL OF FOREST, 2(4), 345-355. https://www.sid.ir/en/journal/ViewPaper.aspx?id=189431



Vancouver: Copy

ALI AHMAD KOROURI S., SHIRVANI ANOUSHIRAVAN, MATINIZADEH M., SHABESTANI S., VALIPOUR KAHROUD H.. STUDY OF INCREMENT VARIATIONS IN PLANE TREE SPECIES AT 5 SITES IN TEHRAN (CASE STUDY: PLATANUS ORIENTALIS). IRANIAN JOURNAL OF FOREST. 2011 [cited 2021May16];2(4):345-355. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=189431



IEEE: Copy

ALI AHMAD KOROURI, S., SHIRVANI, A., MATINIZADEH, M., SHABESTANI, S., VALIPOUR KAHROUD, H., 2011. STUDY OF INCREMENT VARIATIONS IN PLANE TREE SPECIES AT 5 SITES IN TEHRAN (CASE STUDY: PLATANUS ORIENTALIS). IRANIAN JOURNAL OF FOREST, [online] 2(4), pp.345-355. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=189431.



 
 
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