Department of Watershed Management, Agriculture and Natural Research Center, Kermanshah, Iran
Abstract: (4819 Views)
Abstract
Forest and its soil play an important role on sustainable live, while most of them are suffering from climate change driven dieback phenomenon, particularly in the Zagros forest. Consequently, runoff harvesting through short-term measures is necessary for curtailing severity of forest mortality. This research was conducted in the Kalezard forest, Kermanshah, Iran to evaluate the effects of crescent shaped bounds on enhancement of soil organic carbon (SOC) and reduction of forest tree dieback. The treatments include a Crescent Shaped Bound + Preservation (CSB+P), Preservation treatment (PT), Crescent Shaped Bound without Preservation CSB-P and Control treatment (CT), resulting in a total of 12 plots. Each plot measured 50×30 meters performed in September 2012. Soil moisture was measured in three layers (10, 30 and 50 cm) using time domain reflectometry (TDR). Finally all data statistically were analyzed using SAS6.12 software. Results revealed that in first year was 2.33, 2.40, 1.90 and 1.95 % in CSB+P,PT, CSB-P and CT, respectively and indicating no significant differences among them. However, after three years, the respective level of SOC was 3.24, 2.90, 2.10 and 1.70 percent demonstrating significant increase (p<0.05) in CSB+P and PT treatments. Finally CSB+P was found as the best treatment remediating dieback rate in the Zagros forest stand. It is concluded that runoff harvesting through CSB+P can be considered as the fair short term measure for combating climate change induced forest mortality in the Zagros forest.
Heshmati M, Ghaitury M, Parvizi Y, Ahmadi M, Shaikhvaisi M, Arabkhedri M, et al . Effect of runoff harvesting trough crescent shaped bounds on oak dieback curtailing and increasing soil organic carbon in the
Zagros Forest, Kermanshah, Iran. Journal of Rainwater Catchment Systems 2017; 5 (1) :1-10 URL: http://jircsa.ir/article-1-214-en.html
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