MODELING LAND USE CHANGE IMPACTS ON WATER-RELATED ECOSYSTEM SERVICES USING A POLICY SUPPORT SYSTEM

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ZARANDIAN ARDAVAN; YAVARI AHMAD REZA; JAFARI HAMID REZA; AMIRNEJAD HAMID

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Journal: Environmental Sciences Year:2016 | Volume:13 | Issue:4 Page(s): 97-112

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Title

MODELING LAND USE CHANGE IMPACTS ON WATER-RELATED ECOSYSTEM SERVICES USING A POLICY SUPPORT SYSTEM

Author(s)

ZARANDIAN ARDAVAN | YAVARI AHMAD REZA | JAFARI HAMID REZA | AMIRNEJAD HAMID | Issue Writer Certificate

Keywords

POLICY SUPPORT SYSTEMQ2

MODELINGQ2

LAND USEQ2

IMPACTSQ2

WATER-RELATED SERVICESQ2

Abstract

Quantifying and anticipation of the IMPACTS of changes in WATER-RELATED SERVICES caused by human activities is a complicated aspect of environmental assessment which can be facilitated by the application of dynamic and spatial models of ecosystem services. This paper aims to examine the application of the WW PSS model in the Sarvelat and Javaherdasht forested landscape in order to calculate the water balance and water- related services of the ecosystem in a baseline condition and, then, to measure the IMPACTS of changes in natural forest cover on the services' quantity and quality based on a scenario developed. The result of running the model indicates that the surfaces covered with dense forest have decreased by 29% in recent 13 years, but the semi-dense and poor forest covers have increased by 14% and 15%, respectively. Then, the IMPACTS of such structural changes on water services were measured and this showed an overall decrease in water balance of 1.5 mm/yr and an increase in runoff of 12, 197, 528 m3/yr which is caused by a reduction in evapotranspiration due to cutting forest trees. In the final stage, the environmental consequences of changes in ecosystem services were quantified by the model which depicts an increase in soil erosion of 0.57 mm/yr on average and exacerbation of the potential of water contaminate distribution across the study landscape.

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APA: Copy

ZARANDIAN, ARDAVAN, YAVARI, AHMAD REZA, JAFARI, HAMID REZA, & AMIRNEJAD, HAMID. (2016). MODELING LAND USE CHANGE IMPACTS ON WATER-RELATED ECOSYSTEM SERVICES USING A POLICY SUPPORT SYSTEM. ENVIRONMENTAL SCIENCES, 13(4 ), 97-112. SID. https://sid.ir/paper/117418/en

Vancouver: Copy

ZARANDIAN ARDAVAN, YAVARI AHMAD REZA, JAFARI HAMID REZA, AMIRNEJAD HAMID. MODELING LAND USE CHANGE IMPACTS ON WATER-RELATED ECOSYSTEM SERVICES USING A POLICY SUPPORT SYSTEM. ENVIRONMENTAL SCIENCES[Internet]. 2016;13(4 ):97-112. Available from: https://sid.ir/paper/117418/en

IEEE: Copy

ARDAVAN ZARANDIAN, AHMAD REZA YAVARI, HAMID REZA JAFARI, and HAMID AMIRNEJAD, “MODELING LAND USE CHANGE IMPACTS ON WATER-RELATED ECOSYSTEM SERVICES USING A POLICY SUPPORT SYSTEM,” ENVIRONMENTAL SCIENCES, vol. 13, no. 4 , pp. 97–112, 2016, [Online]. Available: https://sid.ir/paper/117418/en

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