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All Journal Journal of Degraded and Mining Lands Management
Saraphirom, Phayom
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Geoinformatics-based assessment of land degradation and ecological recovery (2004-2024) in the Phung River Basin, Northeast Thailand Ruksajai, Narathip; Saraphirom, Phayom; Lohpaisankrit , Worapong
Journal of Degraded and Mining Lands Management Vol. 12 No. 4 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.124.8159

Abstract

A geoinformatics-based assessment of land degradation and early ecological recovery was conducted in the Phung River Basin, Northeast Thailand between 2004 and 2024. Multi-temporal Landsat imagery, NDVI-based vegetation indices, and centimeter-level UAV RTK GNSS ground validation were integrated to detect land cover changes and ecological dynamics. Significant declines in cropland and forest areas were observed, largely due to urbanization and the expansion of plantations. Localized NDVI improvements suggested early signs of vegetative regeneration. The integrated classification framework achieved high accuracies—93.4% in 2004 and 86.9% in 2024—validating its robustness for land transformation analysis. The findings of this study contribute to landscape monitoring practices and provide actionable insights for policymakers to achieve SDG 15.3 on land degradation neutrality.
Co-Authors Lohpaisankrit , Worapong Ruksajai, Narathip