Health zoning of South Khorasan Forg watershed Using PSR conceptual model approach

Document Type : Research Paper

Authors

1 MSc student, Watershed Management, Faculty of Natural Resources and Environment, University of Birjand, Birjand, Iran

2 Assistant Professor, Rangeland and Watershed Management, Faculty of Natural Resources and Environment, University of Birjand, Birjand, Iran

3 Associate professor, in Watershed Management, Natural Resources Department, Faculty Natural Resources & Environment Science, University of Birjand, Birjand, Iran

10.29252/aridbiom.2023.20402.1951

Abstract

The lives of both human and non-human societies are greatly impacted by healthy watersheds today. Improving watershed conditions can improve the lives of dependent communities, in addition to preventing the waste of water and soil resources. To improve the conditions, it is necessary to evaluate the available resources and choose a suitable method to quantify the health of the watershed. The PSR conceptual model approach was used to evaluate the health of the Forg watershed of the Madan city in this research. The fog watershed's health was determined by determining various variables after visiting it and identifying its problems. Subsequently, these variables were measured. In order to eliminate correlation between different variables, the VIF test was used to determine and remove correlated variables before implementing the PSR conceptual model. At the end, according to the remaining variables, pressure indicators, condition, response, and health of the Forg watershed were determined. According to the watershed health assessment of Forg basin, the pressure index falls within the range of 0.44 to 0.79. The condition index is in the range of 0.49 to 0.80, the response index is in the range of 0.20 to 0.69 and the heat index is in the range varies from 0.45 to 0.69. The pressure, condition, and response indicators have average values of 0.61, 0.67, and 0.43, respectively, and are classified as healthy and average. With a value of 0.57, the total health index falls under the average health category. The results indicate that the fog watershed is in a healthy state. To maintain the current situation and improve its health and performance, it is necessary to take proper management and executive actions, taking into account the influencing variables in each subwatershed.

Keywords

References

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Journal of Arid Biome
Volume 13, Issue 1
April 2023
Pages 21-33

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