ORIGINAL PAPER
Post-fire peatlands conditions based on soil resistivity and physical properties in Balangan County, Indonesia
1
Department of Physics, University of Lambung Mangkurat, Indonesia
2
Department of Soil Sciences, University of Lambung Mangkurat, Indonesia
3
Department of Chemical Engineering, University of Lambung Mangkurat, Indonesia
4
Department of Forestry, University of Lambung Mangkurat, Indonesia
Submission date: 2024-06-25
Final revision date: 2024-08-02
Acceptance date: 2024-11-11
Online publication date: 2024-11-11
Publication date: 2024-11-11
Corresponding author
Ahmad Kurnain
Department of Soil Sciences, University of Lambung Mangkurat, A. Yani Km. 36, 70714, Banjarbaru, Indonesia
Department of Soil Sciences, University of Lambung Mangkurat, A. Yani Km. 36, 70714, Banjarbaru, Indonesia
Soil Sci. Ann., 2024, 75(4)195821
KEYWORDS
ABSTRACT
Tropical peatlands are formed by the accumulation of organic matter under waterlogged conditions for thousands of years. Tropical peatlands are ecosystems that play an important role in global carbon storage and cycling. However, peatfires lead to a decline and insufficient soil quality. This study examines post-fires soil condition based on soil resistivity and physical properties in the peatland areas that burned in 2015 and reoccurred in 2019. This study was conducted in the peat hydrological unit of the Balangan River - Batangalai River in Balangan County, Indonesia. The study area included natural areas with no fires, areas burned in 2015, areas burned in 2019, and areas burned in 2015 and reoccurred in 2019. Field measurements of soil resistivity using the Wenner configuration geoelectric method with the smallest spacing of 10 cm to n = 12. The physical properties test of soil samples includes Bulk Density (BD), water content, fibre content, ash content and pH. This study was conducted during the dry season, so the condition of the area that experienced fires in 2015 and repeated in 2019 had only peat decomposition up to 10.0 cm thick, and the underlying layer was still bedrock. This research shows that the results of the physical and electrical properties of the soil indicate that the peatland that was burned in 2015 exhibited a recovery rate for eight years that was nearly identical to that of the unburned peatland. The peatland that was burned in 2019 and the peatland that was burned in 2015 and re-burned in 2019 exhibited a low recovery rate in comparison to the unburned peatland.
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