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<p>Wetlands provide essential ecological services, yet many degraded agricultural lands occupy former wetland areas, necessitating effective restoration strategies. Existing evaluation frameworks for restoration potential remain limited due to the absence of multidimensional indicators that integrate both biophysical conditions and socio-economic factors, leading to incomplete assessments of restoration feasibility. This study proposes a streamlined framework to assess the potential for converting agricultural land to wetlands in the southeastern United States, incorporating spatial analyses of land productivity, topographic moisture, hydrologic characteristics, disaster risk, and crop insurance indemnities. The results showed that areas with medium and high restoration potential accounted for 16.59% of the existing wetland area, highlighting significant opportunities for wetland restoration. Florida had the highest proportion of areas with medium and high restoration potential at 25.49%, followed by Mississippi with 15.27% and Alabama with 15.10%. A comparison with the Potential Wetland Areas (PWA) dataset revealed that many high restoration hotspots on low-productivity agricultural lands in Alabama were underestimated by 5.13% in the PWA. Analysis of the water quality dataset identified high-priority regions with degraded water quality and significant crop indemnities in western Mississippi, Tennessee, southeastern Georgia, and central Florida. These areas should be prioritized by environmental institutions for wetland restoration programs aimed at restoring ecological functions. This study offers a scientific foundation for improving wetland restoration strategies, contributing to the sustainability of agroecosystems.</p>

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A Synthesized Approach for Assessing Wetland Restoration Potential on Agricultural Land: A Case Study in the Southeastern United States

  • 期刊论文

  • 发表日期：

    2025年8月7日

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  • Hua Yan

摘要

Wetlands provide essential ecological services, yet many degraded agricultural lands occupy former wetland areas, necessitating effective restoration strategies. Existing evaluation frameworks for restoration potential remain limited due to the absence of multidimensional indicators that integrate both biophysical conditions and socio-economic factors, leading to incomplete assessments of restoration feasibility. This study proposes a streamlined framework to assess the potential for converting agricultural land to wetlands in the southeastern United States, incorporating spatial analyses of land productivity, topographic moisture, hydrologic characteristics, disaster risk, and crop insurance indemnities. The results showed that areas with medium and high restoration potential accounted for 16.59% of the existing wetland area, highlighting significant opportunities for wetland restoration. Florida had the highest proportion of areas with medium and high restoration potential at 25.49%, followed by Mississippi with 15.27% and Alabama with 15.10%. A comparison with the Potential Wetland Areas (PWA) dataset revealed that many high restoration hotspots on low-productivity agricultural lands in Alabama were underestimated by 5.13% in the PWA. Analysis of the water quality dataset identified high-priority regions with degraded water quality and significant crop indemnities in western Mississippi, Tennessee, southeastern Georgia, and central Florida. These areas should be prioritized by environmental institutions for wetland restoration programs aimed at restoring ecological functions. This study offers a scientific foundation for improving wetland restoration strategies, contributing to the sustainability of agroecosystems.