Shahid Beheshti University Advanced Environmental Sciences 3115-7173 6 3 2009 03 21 Estimating the Value of Forest Ecosystem for Sulfur Dioxide Pollutant Gas Absorption Function Case study: KheiroudKenar Forests- Noshahr Estimating the Value of Forest Ecosystem for Sulfur Dioxide Pollutant Gas Absorption Function Case study: KheiroudKenar Forests- Noshahr 96060 FA Gholamali Sharzei Department of Social Economic, Faculty of Economics, University of Tehran Naghmeh Mobarghei Department of Environmental Planning , Faculty of Environment, University of Tehran Journal Article 2015 05 17 <span style="left: 126.08px; top: 671.587px; font-size: 12px; font-family: serif; transform: scaleX(1.00518);" dir="ltr">Forest Ecosystem in addition to timber production </span><span style="left: 126.08px; top: 685.347px; font-size: 12px; font-family: serif; transform: scaleX(1.02712);" dir="ltr">has many social and environmental benefits. One </span><span style="left: 126.08px; top: 699.107px; font-size: 12px; font-family: serif; transform: scaleX(1.10717);" dir="ltr">of the most important benefits from the forest </span><span style="left: 126.08px; top: 712.867px; font-size: 12px; font-family: serif; transform: scaleX(1.01176);" dir="ltr">ecosystem is their role in air pollutants absorption </span><span style="left: 126.08px; top: 726.787px; font-size: 12px; font-family: serif; transform: scaleX(1.02918);" dir="ltr">and reducing the pollution level. In this study the </span><span style="left: 126.08px; top: 740.547px; font-size: 12px; font-family: serif; transform: scaleX(1.05075);" dir="ltr">economic value of SO2 absorption by forest has </span><span style="left: 126.08px; top: 754.307px; font-size: 12px; font-family: serif; transform: scaleX(1.03405);" dir="ltr">been estimated in a part of Caspian forest. At the </span><span style="left: 126.08px; top: 768.067px; font-size: 12px; font-family: serif; transform: scaleX(1.16893);" dir="ltr">first, the amount of absorbed SO2 has been </span><span style="left: 126.08px; top: 781.987px; font-size: 12px; font-family: serif; transform: scaleX(1.13377);" dir="ltr">calculated by existing models, separately for </span><span style="left: 126.08px; top: 795.747px; font-size: 12px; font-family: serif; transform: scaleX(1.04552);" dir="ltr">forest and rangeland that are two main land uses </span><span style="left: 126.08px; top: 809.507px; font-size: 12px; font-family: serif; transform: scaleX(0.99961);" dir="ltr">in the region. Then this function has been valuated </span><span style="left: 126.08px; top: 823.267px; font-size: 12px; font-family: serif; transform: scaleX(1.01141);" dir="ltr">with replacement cost method. The results show a </span><span style="left: 126.08px; top: 837.187px; font-size: 12px; font-family: serif; transform: scaleX(1.08422);" dir="ltr">value of 2475 thousand Rials for absorption of </span><span style="left: 126.08px; top: 850.947px; font-size: 12px; font-family: serif; transform: scaleX(1.03814);" dir="ltr">each ton of SO2. According to the area of region </span><span style="left: 126.08px; top: 864.707px; font-size: 12px; font-family: serif; transform: scaleX(1.09738);" dir="ltr">that is 20582 hectare, the total amount of SO2 </span><span style="left: 126.08px; top: 878.467px; font-size: 12px; font-family: serif; transform: scaleX(1.04256);" dir="ltr">absorption is 42.723 ton per year and its value is </span><span style="left: 126.08px; top: 892.387px; font-size: 12px; font-family: serif; transform: scaleX(1.13787);" dir="ltr">106 million Rials per year for the ecosystem </span><span style="left: 126.08px; top: 906.147px; font-size: 12px; font-family: serif; transform: scaleX(1.00074);" dir="ltr">function of SO2 absorption.</span> <span style="left: 126.08px; top: 671.587px; font-size: 12px; font-family: serif; transform: scaleX(1.00518);" dir="ltr">Forest Ecosystem in addition to timber production </span><span style="left: 126.08px; top: 685.347px; font-size: 12px; font-family: serif; transform: scaleX(1.02712);" dir="ltr">has many social and environmental benefits. One </span><span style="left: 126.08px; top: 699.107px; font-size: 12px; font-family: serif; transform: scaleX(1.10717);" dir="ltr">of the most important benefits from the forest </span><span style="left: 126.08px; top: 712.867px; font-size: 12px; font-family: serif; transform: scaleX(1.01176);" dir="ltr">ecosystem is their role in air pollutants absorption </span><span style="left: 126.08px; top: 726.787px; font-size: 12px; font-family: serif; transform: scaleX(1.02918);" dir="ltr">and reducing the pollution level. In this study the </span><span style="left: 126.08px; top: 740.547px; font-size: 12px; font-family: serif; transform: scaleX(1.05075);" dir="ltr">economic value of SO2 absorption by forest has </span><span style="left: 126.08px; top: 754.307px; font-size: 12px; font-family: serif; transform: scaleX(1.03405);" dir="ltr">been estimated in a part of Caspian forest. At the </span><span style="left: 126.08px; top: 768.067px; font-size: 12px; font-family: serif; transform: scaleX(1.16893);" dir="ltr">first, the amount of absorbed SO2 has been </span><span style="left: 126.08px; top: 781.987px; font-size: 12px; font-family: serif; transform: scaleX(1.13377);" dir="ltr">calculated by existing models, separately for </span><span style="left: 126.08px; top: 795.747px; font-size: 12px; font-family: serif; transform: scaleX(1.04552);" dir="ltr">forest and rangeland that are two main land uses </span><span style="left: 126.08px; top: 809.507px; font-size: 12px; font-family: serif; transform: scaleX(0.99961);" dir="ltr">in the region. Then this function has been valuated </span><span style="left: 126.08px; top: 823.267px; font-size: 12px; font-family: serif; transform: scaleX(1.01141);" dir="ltr">with replacement cost method. The results show a </span><span style="left: 126.08px; top: 837.187px; font-size: 12px; font-family: serif; transform: scaleX(1.08422);" dir="ltr">value of 2475 thousand Rials for absorption of </span><span style="left: 126.08px; top: 850.947px; font-size: 12px; font-family: serif; transform: scaleX(1.03814);" dir="ltr">each ton of SO2. According to the area of region </span><span style="left: 126.08px; top: 864.707px; font-size: 12px; font-family: serif; transform: scaleX(1.09738);" dir="ltr">that is 20582 hectare, the total amount of SO2 </span><span style="left: 126.08px; top: 878.467px; font-size: 12px; font-family: serif; transform: scaleX(1.04256);" dir="ltr">absorption is 42.723 ton per year and its value is </span><span style="left: 126.08px; top: 892.387px; font-size: 12px; font-family: serif; transform: scaleX(1.13787);" dir="ltr">106 million Rials per year for the ecosystem </span><span style="left: 126.08px; top: 906.147px; font-size: 12px; font-family: serif; transform: scaleX(1.00074);" dir="ltr">function of SO2 absorption.</span> https://envs.sbu.ac.ir/article_96060_27cde6928ef047b99226b11bdd156c8e.pdf