Land cover changes in Bila Watershed, South Sulawesi, Indonesia

Abstract

Abstract Changes in land cover are characterized by changes in land use conversion. One of the factors that cause changes in land closure is the increase in the number of residents so the need for residential land also increases. This study aims to identify changes in land cover in 2017 and 2021 in the Bila River Basin. Land cover change analysis is carried out using the Geographic Information System approach using the overlay analysis method in ArcGIS software. The results showed that in 2017-2021, secondary dryland forest land cover experienced a reduction in the area of 915.96 hectares or from the total area of watersheds converted to mixed dryland agriculture. Meanwhile, the largest addition occurred in the dry land closure class covering an area of 634.08 ha of the total watershed area converted to dryland farming. This is due to the increasing need and dependence of the community on land, with community activities in managing land and utilizing the land to increase agricultural yields as well as a source of livelihood for the community.

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