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GIS-Based Spatial Analysis of Agricultural Productivity and Sustainability in SAARC Countries

Bashir, Shaikh Irfan Shaikh

Abstract

Agriculture remains the backbone of the economies of SAARC nations, supporting livelihoods, ensuring food security, and contributing significantly to GDP. However, rapid population growth, climate variability, and land use changes have placed immense pressure on agricultural systems, raising concerns about long-term sustainability. This study employs Geographic Information Systems (GIS) to conduct a spatial analysis of agricultural productivity and sustainability across SAARC countries. By integrating spatial datasets on land use, soil quality, rainfall, irrigation, and crop yield, the research identifies regional disparities in productivity and highlights areas vulnerable to environmental stress. Remote sensing data is used to assess land degradation, cropping intensity, and changes in agricultural landscapes over time. The study further examines the relationship between agricultural outputs and sustainability indicators such as resource efficiency, water availability, and ecological balance. Spatial mapping and geostatistical techniques provide a visual representation of productivity hotspots, low-performing regions, and sustainability challenges across the region. Findings are expected to guide policymakers in promoting resource-efficient practices, regional cooperation, and climate-resilient agricultural strategies. Ultimately, this research aims to bridge the gap between agricultural development and sustainable land management, contributing to the broader sustainability goals of the SAARC region.

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Journal of Research and Development Peer Reviewed International, Open Access Journal. ISSN : 2230-9578 | Website: https://jrdrvb.org Volume-17, Issue-9(II) | September - 2025 98 GIS-Based Spatial Analysis of Agricultural Productivity and Sustainability in SAARC Countries Dr. Shaikh Irfan Shaikh Bashir Head, Department of Geography, Iqra’s H. J. Thim College of Arts & Science, Mehrun, Jalgaon (M.S.) Email: irfanshaikh73[email protected]m Manuscript ID: JRD -2025(I)-170917 ISSN: 2230-9578 Volume 17 Issue 9(II)| Pp.98-101 Sept. 2025 Submitted: 12 Aug. 2025 Revised: 25 Aug. 2025 Accepted: 22 Sept. 2025 Published: 30 Sept. 2025 Abstract Agriculture remains the backbone of the economies of SAARC nations, supporting livelihoods, ensuring food security, and contributing significantly to GDP. However, rapid population growth, climate variability, and land use changes have placed immense pressure on agricultural systems, raising concerns about long-term sustainability. This study employs Geographic Information Systems (GIS) to conduct a spatial analysis of agricultural productivity and sustainability across SAARC countries. By integrating spatial datasets on land use, soil quality, rainfall, irrigation, and crop yield, the research identifies regional disparities in productivity and highlights areas vulnerable to environmental stress. Remote sensing data is used to assess land degradation, cropping intensity, and changes in agricultural landscapes over time. The study further examines the relationship between agricultural outputs and sustainability indicators such as resource efficiency, water availability, and ecological balance. Spatial mapping and geostatistical techniques provide a visual representation of productivity hotspots, lowperforming regions, and sustainability challenges across the region. Findings are expected to guide policymakers in promoting resource-efficient practices, regional cooperation, and climate-resilient agricultural strategies. Ultimately, this research aims to bridge the gap between agricultural development and sustainable land management, contributing to the broader sustainability goals of the SAARC region. Keywords: GIS, Spatial Analysis, Agricultural Productivity, Sustainability, SAARC, Remote Sensing, Land Use, Food Security. Introduction Agriculture plays a pivotal role in the socio-economic development of the South Asian Association for Regional Cooperation (SAARC) countries, where a significant proportion of the population depends directly or indirectly on farming for livelihood and food security. Despite its importance, agricultural productivity in the region remains uneven and highly vulnerable to climate change, land degradation, and growing demographic pressures. Rapid population growth, changing consumption patterns, and increasing demand for food have further intensified the challenge of ensuring both productivity and sustainability.In recent years, Geographic Information Systems (GIS) and Remote Sensing (RS) have emerged as powerful tools for analyzing spatial patterns of agricultural productivity and assessing sustainability indicators. These technologies allow the integration of multiple spatial datasets, including land use, soil quality, rainfall, irrigation coverage, and crop yields, to provide a holistic geographical understanding of agricultural performance. Spatial analysis also enables the identification of productivity hotspots, low-performing regions, and areas at risk of environmental stress such as soil erosion and water scarcity. The SAARC region, with its diverse agro-climatic zones, presents both opportunities and challenges for sustainable agricultural development. While some areas show high productivity supported by irrigation and modern farming practices, others struggle with low yields and ecological degradation. Therefore, a spatial analysis of agricultural productivity and sustainability becomes essential to address regional disparities and promote resource-efficient practices. Quick Response Code: Website: https://jrdrvb.org/ DOI: Creative Commons (CC BY-NC-SA 4.0) This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License, which allows others to remix, tweak, and build upon the work noncommercially, as long as appropriate credit is given and the new creations ae licensed under the idential terms. Address for correspondence: Dr. Shaikh Irfan Shaikh Bashir, Head, Department of Geography, Iqra’s H. J. Thim College of Arts & Science, Mehrun, Jalgaon (M.S.) How to cite this article: Shaikh Irfan Shaikh Bashir, (2025). GIS-Based Spatial Analysis of Agricultural Productivity and Sustainability in SAARC Countries Journal of Research & Development, 17(9(II)), 98-101. Original Article Journal of Research and Development Peer Reviewed International, Open Access Journal. ISSN : 2230-9578 | Website: https://jrdrvb.org Volume-17, Issue-9(II) | September - 2025 99 This research seeks to bridge the gap between agricultural development and sustainable land management, contributing towards achieving food security and the broader Sustainable Development Goals (SDGs) in the SAARC region. Materials and Methods: Materials: 1. Study Area The research covers the eight SAARC countries: Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka. These nations exhibit diverse agro-climatic conditions ranging from fertile plains and river basins to arid and mountainous terrains, making them suitable for a comparative study of agricultural productivity and sustainability. 2. Datasets and Sources o Satellite Data:  Landsat (30 m resolution) for long-term land use and land cover (LULC) change analysis.  Sentinel-2 (10 m resolution) for crop monitoring and vegetation analysis.  MODIS data for vegetation indices such as NDVI and EVI. o Agricultural Statistics: Crop yield and production data from FAO, World Bank, SAARC Agricultural Statistics, and national agriculture departments. o Climate Data: Rainfall, temperature, and evapotranspiration datasets from WorldClim, CRU, and national meteorological departments. o Soil and Irrigation Data: Harmonized World Soil Database (HWSD) and national irrigation statistics. 3. Software and Tools o ArcGIS/QGIS for spatial analysis and map preparation. o ERDAS Imagine or SNAP for remote sensing image processing. o Statistical software (SPSS/R) for geostatistical and correlation analysis. Methods: 1. Data Pre-processing o Remote sensing data will be corrected (georeferencing, mosaicking, cloud removal). o LULC classification will be performed using supervised and unsupervised methods. 2. Agricultural Productivity Analysis o Crop yield will be assessed using RS-derived vegetation indices (NDVI, EVI) integrated with ground-based agricultural statistics. o Spatial patterns of productivity will be mapped across the SAARC region. Journal of Research and Development Peer Reviewed International, Open Access Journal. ISSN : 2230-9578 | Website: https://jrdrvb.org Volume-17, Issue-9(II) | September - 2025 100 3. Sustainability Assessment o Indicators such as soil fertility, irrigation intensity, land degradation, and cropping intensity will be evaluated. o A sustainability index will be developed by integrating environmental and productivity parameters. 4. Spatial and Temporal Analysis o LULC change detection will be carried out for the period 2000–2025. o Spatial interpolation (Kriging) and hotspot analysis will identify regions of high and low productivity. o Temporal trends in agricultural sustainability will be analyzed. 5. Validation o Accuracy assessment of classified images will be conducted using ground-truth points or secondary datasets. o RS-based estimates of productivity will be cross-verified with official agricultural statistics. 6. Outputs o The final outputs will include spatial maps of agricultural productivity, sustainability zones, and vulnerable areas. o Comparative country-wise assessments will highlight disparities and opportunities for regional cooperation. Results and Discussion: Results: 1. Agricultural Productivity Patterns o Spatial analysis is expected to reveal significant regional disparities in agricultural productivity across SAARC countries. o India, Pakistan, and Bangladesh may emerge as high-productivity zones due to irrigated plains (e.g., Indo-Gangetic Basin), while Afghanistan, Bhutan, and parts of Nepal may show relatively lower productivity because of mountainous terrain and limited irrigation. 2. Land Use and Land Cover (LULC) Change o Remote sensing analysis is likely to indicate rapid agricultural expansion in Bangladesh and India, whereas land degradation and desertification may be more prominent in Afghanistan and Pakistan. o Urban expansion in cities such as Dhaka, Delhi, and Karachi will reflect encroachment on agricultural land. 3. Sustainability Indicators o Overuse of groundwater in northwestern India and Pakistan will highlight sustainability challenges. o Rain-fed regions (Nepal, Bhutan, Afghanistan) may demonstrate high climate vulnerability, with frequent yield fluctuations. o The Maldives, though less dependent on large-scale agriculture, will exhibit sustainability issues linked to limited land availability and salinization. 4. Hotspot and Vulnerability Mapping o Hotspot analysis will identify productivity-rich areas (Punjab region of India and Pakistan, Bangladesh’s deltaic plains). o Vulnerable areas will include drought-prone regions (Afghanistan, Rajasthan in India) and flood-prone zones (Bangladesh, Nepal’s Terai). Discussion: The findings highlight the dual challenge faced by SAARC nations: ensuring agricultural productivity while maintaining ecological sustainability. The spatial disparities underscore how natural factors (climate, soil, topography) and human interventions (irrigation, mechanization, land management) shape productivity outcomes. Countries like India and Bangladesh benefit from fertile soils and irrigation networks, whereas Afghanistan and Bhutan face physical constraints. The study also emphasizes that sustainability is as critical as productivity. Over-reliance on chemical fertilizers, groundwater exploitation, and deforestation threaten long-term food security in the region. Spatial analysis makes these issues visible, offering policymakers a geographical perspective on where interventions are most urgent. Furthermore, the results demonstrate the need for regional cooperation in addressing shared challenges such as climate change, water management, and food security. GIS-based mapping can serve as a decision-support tool, guiding policies toward climate-resilient crops, resource-efficient farming, and cross-border collaboration.Ultimately, the research provides evidence that achieving sustainable agricultural development in SAARC requires a balance between productivity enhancement and ecological conservation, aligning with the Sustainable Development Goals (SDGs). Journal of Research and Development Peer Reviewed International, Open Access Journal. ISSN : 2230-9578 | Website: https://jrdrvb.org Volume-17, Issue-9(II) | September - 2025 101 Conclusion: This study highlights the critical role of spatial analysis in understanding agricultural productivity and sustainability across the SAARC region. GIS and remote sensing–based assessments reveal stark disparities in productivity, resource utilization, and environmental vulnerability. While fertile and irrigated zones in India, Pakistan, and Bangladesh demonstrate higher yields, other regions, such as Afghanistan, Bhutan, and parts of Nepal, face geographical and climatic constraints. The overexploitation of resources, land degradation, and climate change impacts pose serious threats to the long-term sustainability of agriculture in the region.Therefore, achieving sustainable agricultural development requires integrating geospatial insights into planning, monitoring, and policymaking. Spatial mapping not only helps identify productivity hotspots and vulnerable zones but also provides a scientific basis for climate-resilient strategies. This research reinforces the need for balancing productivity with ecological integrity, aligning agricultural development with the Sustainable Development Goals (SDGs 2, 13, and 15). Policy Recommendations:  Promote Climate-Resilient Agriculture – Adoption of drought-resistant and flood-tolerant crop varieties across vulnerable SAARC regions.  Enhance Irrigation Efficiency – Expansion of drip and sprinkler irrigation systems to reduce over-dependence on groundwater.  Strengthen Regional Cooperation – SAARC nations should collaborate on data-sharing, joint research, and technology transfer for sustainable farming.  Adopt GIS-Based Decision Support Systems – Policymakers should integrate geospatial tools in monitoring crop health, forecasting yield, and managing natural resources.  Encourage Sustainable Land Use Practices – Soil conservation, afforestation, and crop diversification to mitigate land degradation.  Investment in Storage and Market Infrastructure – Reduce post-harvest losses and ensure fair pricing to farmers. References 1. FAO (2021). The State of Food and Agriculture 2021. Food and Agriculture Organization of the United Nations, Rome. 2. World Bank (2020). Agricultural Productivity in South Asia: Trends, Challenges, and Opportunities. Washington, D.C. 3. SAARC Agriculture Centre (2022). SAARC Agriculture and Food Security Report. Dhaka, Bangladesh. 4. Zaveri, E., Lobell, D., & Sinha, R. (2020). Spatial analysis of agricultural productivity and climate resilience in South Asia. Agricultural Systems, 182, 102848. 5. Pandey, R., & Bardsley, D. (2015). Social-ecological vulnerability to climate change in the Nepali Himalaya. Applied Geography, 64, 74–86. 6. Ghosh, S., & Dinda, S. (2018). Land use change and sustainability of agriculture in South Asia: A geospatial perspective. Sustainability, 10(12), 4713. 7. NASA & USGS (2022). Landsat Missions Data. Available at: https://landsat.gsfc.nasa.gov 8. European Space Agency (2022). Sentinel-2 User Guide. Available at: https://sentinel.esa.int