September 10, 2025LandOpen Access

Spatio-Temporal Changes in Mangroves in Sri Lanka: Landsat Analysis from 1987 to 2022

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National scale analysis reveals significant mangrove recovery in Sri Lanka, suggesting effective management strategies.

Mangrove extent in Sri Lanka increased by 1988 ha (13.6%) from 1989 to 2022, indicating recovery.
Overall mapping accuracy exceeded 96.29%, demonstrating the efficacy of remote sensing techniques.
Random Forest classification helped elucidate spatial changes in mangrove distribution across the country.
Colombo, Gampaha, and Kalutara districts experienced persistent declines, highlighting areas needing management.

Athukorala et al. (2025) studied this question.

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