Volume 7, Issue 2 (2019)                   IQBQ 2019, 7(2): 79-85 | Back to browse issues page

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Sepahvand F, Abrari Vajari K, Soosani J. Fine Root Biomass in Acer monspessulanum Trees and Its Relation to Ecological Factors in Zagros Mountain Forests. IQBQ. 2019; 7 (2) :79-85
URL: http://journals.modares.ac.ir/article-24-28581-en.html
1- Forestry Deptartment, Agriculture & Natural Resources Faculty, Lorestan University, Khorramabad, Lorestan, Iran
2- Forestry Deptartment, Agriculture & Natural Resources Faculty, Lorestan University, Khorramabad, Lorestan, Iran , kambiz.abrari2003@yahoo.com
Abstract:   (155 Views)
Aims: Roots of diverse diameters and various physiological and physical roles compose the root systems of forest trees and its distribution influence the quantities and distributions of plant obtainable water and nutrient.
Materials and Methods: Fine roots of Acer trees (n=40) were sampled randomly at soil depths of 0-15 and 15-30 cm in and positions under of trees. The fine roots were washed (d≤ 2 mm) and dried at 70°C and weighed. Furthermore, diameter at breast height (cm), total height (m), crown (m) for target trees and slope, altitude, and exposition of each sample point were measured in research site.
Findings: The results showed that soil depth has been influenced on fine root biomass; so, the highest amount was observed in depth of 15-30 cm rather than 0-15cm. The difference between elevations was not significant with regard to fine root biomass. The value of biomass in west aspect was greater than east one. The slope had no effect on the fine root biomass of trees in the site, as well Pearson correlation coefficient indicated that with of trees, fine root biomass was increased. There was a positive correlation (p<0.05) between the biomass of fine roots and BD (-3), sand (%) and a negative, but statistically insignificant correlation with P (p<0.05).
Conclusion: We found that depth of , exposition, crown of trees, as well as bulk density and sand (%) appeared to be a contributing fine root biomass values in Acer trees.
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Received: 2018/12/25
* Corresponding Author Address: Forestry Deptartment, Agriculture & Natural Resources Faculty, Lorestan University, Khorramabad, Lorestan, Iran. Postal Code: 6815144316

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