Seyed Akhlaghi, S., Gohardoost, A. (2023). An analysis of man-made factors' role in desertification Case study: Niyatak dust corridor in Sistan. , 30(2), 230-246. doi: 10.22092/ijrdr.2023.129899
Seyed Jafar Seyed Akhlaghi; Azadeh Gohardoost. "An analysis of man-made factors' role in desertification Case study: Niyatak dust corridor in Sistan". , 30, 2, 2023, 230-246. doi: 10.22092/ijrdr.2023.129899
Seyed Akhlaghi, S., Gohardoost, A. (2023). 'An analysis of man-made factors' role in desertification Case study: Niyatak dust corridor in Sistan', , 30(2), pp. 230-246. doi: 10.22092/ijrdr.2023.129899
Seyed Akhlaghi, S., Gohardoost, A. An analysis of man-made factors' role in desertification Case study: Niyatak dust corridor in Sistan. , 2023; 30(2): 230-246. doi: 10.22092/ijrdr.2023.129899

An analysis of man-made factors' role in desertification Case study: Niyatak dust corridor in Sistan

تحقیقات مرتع و بیابان ایران
Article 5, Volume 30, Issue 2 - Serial Number 91, September 2023, Pages 230-246    PDF (1.1 M)
Document Type: Research Paper
DOI: 10.22092/ijrdr.2023.129899
Authors
Seyed Jafar Seyed Akhlaghi* 1; Azadeh Gohardoost2
1Assistant Professor, Desert Research Division, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
2Researcher of Research Institute of Forests and Rangelands, Agriculture Research, Education and Extension Organization (AREEO), Tehran, I.R. Iran
Abstract
Background and objectives
Desertification is a multidimensional process initiated by the interlinking of environmental and human constructs. It is expanded by combining and synergizing natural conditions, climate change, and human pressure factors. This study aimed to combine economic, social, and managerial factors affecting desertification in the Niatac dust corridor in Sistan and using the application framework of multi-criteria decision-making models, the most important indicators of desertification Human-making is prioritized and introduced in the study area to be used in management and control of desertification and dust phenomenon in the region.
 
Methodology
This research is survey research. At first, based on the sources and conventional models of desertification assessment, 20 appropriate indicators were selected in the form of 5 criteria using a combination of different models such as IMDPA, MICD, and MEDALUS, along with the opinions of experts and experts familiar with the region, as well as the research executive team. Data and values related to the indicators were collected through various information sources, including reports from the Statistical Center of Iran, the Ministry of Energy, the Agricultural Jihad Organization, and the General Directorate of Natural Resources of the province, as well as structured interviews in the region, and then the factors and indicators under study were ranked using TOPSIS multi-criteria decision-making method, and finally, a zoning map of the study area was prepared by each of the anthropogenic factors. And it was presented.
 
Results
According to the results, policy and rules (32.5%), economics (25.1%), water, and agriculture (20.6%) had the greatest impact on desertification. The ranking of indicators showed that the Hamoon wetland rights index and Niatak River with a coefficient of 0.69, the institutional and organizational coordination index with a coefficient of 0.6743, the rural development index with a coefficient of 0.6743, the efficiency index of conservation and recovery of desert areas with a coefficient of 0.5596, poverty index and household income with a coefficient of 0.5988, grazing pressure index in rangelands with a coefficient of 0.4821 and agricultural land release index with a coefficient of 0.5596 had the greatest impact on The land was destroyed and deserted.
 
Conclusion
The results obtained in this study indicate the importance of anthropogenic factors in the desertification of Sistan. By relying on the results of this study that 62% of the land in the Niatak wind erosion corridor is subject to severe desertification, a long-term action plan implementing suitable measures for rehabilitating desert lands of the region by the custodians should be prepared. On the other hand, TOPSIS, used in this study to determine desertification intensity, is a relatively accurate method when using the appropriate indices. It also has simplicity, flexibility, and low cost. This method can help managers and planners of the desert area identify priorities affecting desertification. It can also provide appropriate programs for managing and restoring desert areas.
Keywords
Dust; Environmental protection; Institutional coordination; Niyatak; Sistan
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