Khanhasani, M., Sagheb-Talebi, K., Akhavan, R., Vardanyan, J. (2015). The effect of environmental factors on distribution of three oak species (Q. brantii Lindl., Q. libani Oliv. and Q. infectoria Oliv.) in northern Zagros forests. , 23(3), 549-561. doi: 10.22092/ijfpr.2015.105659
Masoumeh Khanhasani; Khosro Sagheb-Talebi; Reza Akhavan; Jirar Vardanyan. "The effect of environmental factors on distribution of three oak species (Q. brantii Lindl., Q. libani Oliv. and Q. infectoria Oliv.) in northern Zagros forests". , 23, 3, 2015, 549-561. doi: 10.22092/ijfpr.2015.105659
Khanhasani, M., Sagheb-Talebi, K., Akhavan, R., Vardanyan, J. (2015). 'The effect of environmental factors on distribution of three oak species (Q. brantii Lindl., Q. libani Oliv. and Q. infectoria Oliv.) in northern Zagros forests', , 23(3), pp. 549-561. doi: 10.22092/ijfpr.2015.105659
Khanhasani, M., Sagheb-Talebi, K., Akhavan, R., Vardanyan, J. The effect of environmental factors on distribution of three oak species (Q. brantii Lindl., Q. libani Oliv. and Q. infectoria Oliv.) in northern Zagros forests. , 2015; 23(3): 549-561. doi: 10.22092/ijfpr.2015.105659

The effect of environmental factors on distribution of three oak species (Q. brantii Lindl., Q. libani Oliv. and Q. infectoria Oliv.) in northern Zagros forests

تحقیقات جنگل و صنوبر ایران
Article 15, Volume 23, Issue 3, September 2015, Pages 549-561    PDF (347.02 K)
Document Type: Research article
DOI: 10.22092/ijfpr.2015.105659
Authors
Masoumeh Khanhasani* 1; Khosro Sagheb-Talebi2; Reza Akhavan2; Jirar Vardanyan3
1Senior Research Expert, Research Division of Natural Resources, Kermanshah Agricultural and Natural Resources Research Center, AREEO, Kermanshah, Iran ‎
2Associate Prof., Research Institute of Forests and Rangelands, Agricultural Research, Education and ‎Extension Organization (AREEO), Tehran, Iran
3Prof., Armenian State Agrarian University, Yerevan, Armenia‎
Abstract
     This study was carried out to explore the relationship between environmental factors and presence of three important oak species (Q. brantii, Q. libani, Q. infectoria) in northern Zagros forests.Following the site selection, vertical distributions were determined based on the minimum and maximum ranges species presence. A number of 54 circular sample plots, each 500 m2 were established based on various landforms and aspect. Following this, habitat characteristics including altitude, land form, slop direction, slope% and forest type were recorded. Finally a soil profile was prepared for routine physio-chemical soil analysis. The data was analyzed by means of exploratory method, analysis of variance, canonical correspondence analysis and descriptive statistics. Results revealed limitations of Q. libani concerning altitude range and aspect. The species occurs on acidic soils with low level of EC and CaCo3 and favors from heavy and semi-heavy soils. Furthermore, Q. brantii occurs on heavy halomorphic to alkaline soils with high level of CaCo3 and covers the maximum range of altitude in all aspects. It seems that soil acidity is not a limitation factor for Q. infectoria which favors from light soils and steeper northern slops.
Keywords
Altitude; Oak; aspect; slope percent; soil characteristics
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