Determining of the Oak forests’ role on protecting water quality based on the service function in Tang-e Shool, Fars

Document Type : Research Article


1 Department of forestry and forest economy, faculty of natural resources, university of Tehran, Karaj, Iran

2 department of reclamation of arid region, faculty of natural resources, university of Tehran, Karaj

3 Department of forestry and forest economy, faculty of natural resources, university of Tehran, Karaj

4 Department of Agricultural Economics, Faculty of Agriculture, University of Shiraz, Shiraz

5 Department of forestry, Faculty of Natural Resources, University of Tehran, Karaj

6 Fars Agriculture and Natural Resources Researches Center, Shiraz


Surface water is an important source for drinking water, which are under environmental and anthropogenic stresses. There are several evidences confirming that forest cover positively affects water quality. However, little quantitate information is available regarding the impacts of forest canopy cover on purification of drinking water quality in Iran. To achieve this, we selected several forested catchments with different ground canopy cover in Tang-e-Shool forest located in the Fars province and Water Quality Index (WQI) were measured by using physicochemical parameters. The production function of water quality service was also estimated by taking into account other characteristics of the forested micro catchments. Our results showed that the WQI in 30% crown cover is in a good quality scale. Also with an increase of 1% in the crown cover, WQI will improve by 0.8% and an increase of 1% in the area of the micro catchment causes a decline of 0.14 percent of WQI. Also, Aghajari Formation has a negative effect on WQI compare to Asmari. According to this study increasing the crown cover to protect water quality by up to 30%, will minimize treatment costs and the waters provided by these forests can be used for human drinking purposes.


Main Subjects

[1]. MEA (Millennium Ecosystem Assessment (Program)). Ecosystems and Human Well-Being: Synthesis; Washington. Island. DC, USA, 2005.
[2]. Melissa M K, Damian C A, Francisco J E. The Value of Forest Conservation for Water Quality Protection, Forests 2014; 5:862-884.
[3]. Hong B, Limburg K E, Erickson J D, Gowdy J M, Nowosielski A A, Polimeni J M, & Stainbrook K M. Connecting the ecological-economic dots in human-dominated watersheds: Models to link socio-economic activities on the landscape to stream ecosystem health. Landscape and Urban Planning. 2009; 91(2): 78-87.
[4]. Dudley N, Stolton S. Running Pure: The importance of forest protected areas to drinking water Arguments for Protection: World Bank/WWF Alliance for Forest Conservation and Sustainable Use 2003.
[5]. Daisy N, Laura N, Carlos O. Forest and water: The Value of native temperature forest in supplying water for human consumption, Ecological Economics. 2006; 58: 606-612.
[6]. Warziniack T, Sham CH, Morgan R, Feferholtz Y. Effect of forest cover on water treatment costs. American Water Works Association. Rocky Mountain Research Station. 2016.
[7]. Fiquepron J, Garcia S, Stanger A. Land use impact on water quality: Valuing forest services in terms of the water supply sector. Journal of Environmental Management. 2013;126:113-121.
[8]. Etehadi Abari M. The effect of forest cover induced by harvesting scenarios on runoff quantity, quality and sediment yield in Kheirud Forest. A thesis submitted to the graduate studies office in partial fulfilment of the requirement for the doctor philosophy in forest engineering. University of Tehran.2017. [Persian].
[9]. Abildtrup J, Garcia S, Stanger A. The effect of forest land use on the cost of drinking water supply
A spatial econometric analysis. Paper prepared for presentation at the EAAE 2011 Congress Change and Uncertainty Challenges for Agriculture, Food and Natural Resources. ETH Zurich, Switzerland 2011.
[10]. Freeman D, Madsen R, Har K. Statistical analysis of drinking water treatment plant costs, course water quality, and land cover characteristics. 2008; Trust for Public Land
[11]. Ernst C, Gullick R, Nixon, K. Protecting the source e conserving forests to protect water. American Water Works Association 2004; 30 (5): 3-7.
[12]. Brogna D, Michez A, Jacobs S, Dufrêne M, Vincke C, Dendonker N. Linking Forest Cover to Water Quality: A Multivariate Analysis of Large Monitoring Datasets. Water. 2017; 9:176-193.
[13]. Ramesh S, Sukumaran N, Murugesan AG, Rajan MP. An innovative approach of drinking water quality index- A case study from Southern Tamil Nadu, India. Ecological Indicators. 2010; 10(4):857-68
[14]. Cude CG. Oregon water quality index a tool for evaluating water quality management effectiveness1. Journal of American Water Resource Association. 2001; 37(1): 125-137.
[15]. Beckman B, Bodis D, Lahermo P, Rapant S, Tarvainen T. Application of groundwater contamination index in Finland and Slovakia. Environ Geol 1998; 36: 55-64. Doi: 1007. S002540050320.
[16]. Brown RM, McClelland N I, Deininger R A, Tozer R G. A water quality index: do we dare? Water Seage Works. 1970; 117: 339-343.
[17]. Canter L W. “Environmental Impact Assessment,” 2nd Edition, McGraw-Hill Inc. New York, USA, 1996.
[18]. Abdul Hameed M. Alobaidy J, Bahram K. Maulood, Abass J. Evaluating Raw and Treated Water Quality of Tigris River within Baghdad by Index Analysis. J. Water Resource and Protection, 2010; 2: 629-635.
[19]. Sener S, Sener E, Davras A. Evaluation of water quality using water quality index (WQI) method and GIS in Aksu River (SW-Turkey). Science of The Total Environment. 2017; 584-585: 131-144
[20]. Wu Z, Wang X, Chen Y, Cai Y, Deng J. Assessing river water quality using water quality index in Lake Taihu Basin, China. Science of The Total Environment. 2017; 612(1): 914-922.
[21]. Yousefi H, Zahedi S, Niksokhan MH, Modifying the analysis made by water quality index using multi-criteria decision making methods. Journal of African Earth Sciences. 2017; 138(1): 309-318.
[22]. Cosultant engineers of soil and water researchers. Revision of studies and analysis of statistics and information in the paired catchments in Tang-e Shool. [2015]. [Persian].
[23]. Sheikhi Almanabad Z, Asadzadeh F, Pirkharati H. Application of the DWQI Index for Comprehensive Quality Assessment in Ardebil water table.Ecohydrology. 2017; 4(2): 421-436. [Persian].
[24]. World Health Organization. Guidelines For Drinking Water Quality. Second addendum. Vol. 1, Recommendations. 3rd ed. ISBN 978 92 4 154760 4. 2008; World Health Organization.
[25]. Institute of Standards and Industrial Research of Iran. Drinking water - Physical and chemical specifications.ISIRI, 1053. 2008; 5th Revision [Persian].
[26]. Yogendra K, Pouttaiah E T. Determination of water quality Index and Suitability of an Urban Waterbody in Shimoga Town. Karantaka. The 12th Word Lake Conference, 2008; 342-346.
[27]. Chatterji C, Raziuddin M. Determination of water quality index (WQI) of a degraded river in Asanol Industrial area, Raniging, Burdwan, West Bengal. Nature, Environmental and pollution Technology. 2002; 1(2):181-189.
[28]. Kohi Kamali M, Rajabi MA. Determining the Effect of Urban Green Space on Residential Utility Value. Journal of GIS, RS application in programming. 2010; 1(1): 23-31.
[29]. Mahdavi, M. editor. Applied Hydrology, 2125. 7th Edition. Tehran. University of Tehran. 2011. p.427- 302. [Persian].
[30]. Noori Z. Malekian A. The Effective Factors on Water Quality of Seimareh and Kashkan Rivers in Ilam and LorestanProvinces. Natural Environment. Iranian Natural Resources Journal. 2015: 69(2): 549-564. [Persian].
[31]. Zhenyao Sh. Lei Ch. Qian L. Ruimin L. Qian H. Impact of spatial rainfall variability on hydrology and nonpoint source pollution modeling. Journal of Hydrology. 2012: 427-437, 205-215.
[32]. Ahmed L M. Helal A A. Naema A EL. Gamal R. Nahel O. Shaker N O. Helal A A. Influence of some organic ligands on the adsorption of lead by agricultural soil. Arabian Journal of Chemistry 2015. Articlr in Press.
[33]. Allen M F. Swenson 1 W. 1 Querejeta J I.. Egerton-Warburton L M. Treseder KK. ECOLOGY OF MYCORRHIZAE: A Conceptual Framework for Complex Interactions Among Plants and Fung. Annu. Rev. Phytopathol. 2003. 41:271–303 .
Volume 5, Issue 3
October 2018
Pages 843-853
  • Receive Date: 22 December 2017
  • Revise Date: 13 February 2018
  • Accept Date: 12 May 2018
  • First Publish Date: 23 September 2018
  • Publish Date: 23 September 2018