Promoting agroforestry on sand dunes for desertification control in arid regions

Ram Ranjan

Journal of Environmental Planning and Management, 2024, vol. 67, issue 14, 3600-3625

Abstract: This research focuses on tackling the issue of fertile land turning into desert in arid regions. It proposes a solution involving financial incentives based on payment for ecosystem services (PES) to encourage the transformation of privately owned sand dunes into agroforestry systems. Under the proposed mechanism, farmers plant Acacia nilotica trees along with pearl millet on sand dunes, which provides resilient economic returns in regions with harsh climatic conditions. In addition, acacia trees help to prevent crop damage on neighboring farms through stabilizing sand dunes and serving as shelterbelts. A dynamic optimization model of land-use decisions between open millet farming and acacia-based agroforestry derives optimal afforestation of sand dunes under varying PES payments, crop incomes, and farm size endowments. Results suggest that such agroforestry systems can be effective towards preventing the spread of desertification in arid regions. Further, PES incentives can improve agroforestry uptake as well as augment farmers’ livelihoods.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:taf:jenpmg:v:67:y:2024:i:14:p:3600-3625

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DOI: 10.1080/09640568.2023.2230614

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