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Rahmani, Z. and Ghaderzade, H. (2014) Investigating the Effect of Climatic Factors on Oak Forests Reduction (a Case study of Kordestan Province). The 3rd National Conference on Iranian Natural Resources Researches with a Focus on Environment, Kordestan University, Kordestan, 718-732.

has been cited by the following article:

  • TITLE: Investigating the Impact of Climate Changes on Qualitative and Quantitative Growth of Oak Trees (Case Study: Central Zagros)

    AUTHORS: Morteza Habibi

    KEYWORDS: Iranian Oak, Coppicing, Central Zagros, Diameter Growth, Slope, Elevation, Temperature, Rainfall, Haze

    JOURNAL NAME: Open Journal of Ecology, Vol.6 No.6, May 19, 2016

    ABSTRACT: The present study is an attempt to investigate the impact of climate changes on quantitative and qualitative growth of oak trees in central Zagros region. After we selected the study region, 35 discs were taken from trees felled in each height class (e.g. 1400 - 1600, 1600 - 1800, 1800 - 2000 m above the sea level). We used climate index spi. For the data analysis, we employed SPSS software and inferential statistics tests of Kolmogroff Smirnov and the one-way ANOVA. During the recent 15 years, rainfall has shown a decreasing trend and amount of haze and frequency of occurring haze has been increased. The ANOVA results indicated that diameter growth of trees in three height classes revealed a significant difference. The average annual diameter growth in the first, second and third classes were 1.8 mm, 2.5 mm, and 2.2 mm, respectively. Additionally, the results indicated that hillsides and slope aspect has a statistically meaningful effect on the size of canopy area, basal area and number per hectare. Several different studies have reported that during the recent 15 years, qualitative and quantitative growth of central Zagros oak trees strongly correlate with climate parameters in the three habitats.