Analysis of Land Cover Changes and Sustainable Reforestation in Sianjur Mula-Mula District, Samosir Regency, Indonesia

Urban Farm DB summary

This study analyzed land cover changes in Sianjur Mula-Mula District, Samosir Regency, Indonesia, between 2017 and 2022 using Sentinel 2 imagery and a guided classification method. In 2017, shrubs dominated, covering 4,689 hectares (39.68%), a pattern that persisted in 2022 with 4,529 hectares (38.32%). Forest land decreased by 182 hectares (1.54%), while built-up land increased by 111 hectares (0.95%). The study concluded that reforestation of 4,529 hectares of shrubs is necessary to maintain Lake Toba's water quality.