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Journal of Degraded and Mining Lands Management
Published by Universitas Brawijaya
ISSN : 2339076X     EISSN : 25022458     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Journal of Degraded and Mining Lands Management is managed by the International Research Centre for the Management of Degraded and Mining Lands (IRC-MEDMIND), research collaboration between Brawijaya University, Mataram University, Massey University, and Institute of Geochemistry, Chinese Academy of Sciences-China Papers dealing with result of original research, and critical reviews on aspects directed to the management of degraded and mining lands covering topography of a landscape, soil and water quality, biogeochemistry, ecosystem structure and function, and environmental, economic, social and health impacts are welcome with no page charge
Arjuna Subject : -
Articles 1,043 Documents
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Electricity generation and petroleum hydrocarbon remediation in microbial fuel cell integrated with silver nanoparticles (AgNPs) from mangrove plant Melaleuca cajuputi Tinchana, Sudarat; Rothjanawan, Kronsirinut; Meenapha, Ason; Chaijak, Pimprapa
Journal of Degraded and Mining Lands Management Vol. 13 No. 3 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.133.10799

Abstract

Petroleum hydrocarbon contamination is a critical global issue affecting both terrestrial and coastal soils. In this study, a soil microbial fuel cell (SMFC) integrated with silver nanoparticles (AgNPs) synthesized from Melaleuca cajuputi leaf extract was developed for simultaneous diesel remediation and bioelectricity generation. The diesel removal efficiency and electrochemical performance, including open-circuit voltage (OCV), current density (CD), and power density (PD) were evaluated. The results demonstrated that the SMFC system achieved a maximum OCV of 710.00 ± 10.00 mV, CD of 83.33 ± 0.35 A/m3 (3.50 ± 0.03 A/m2), and PD of 28.80 ± 0.10 W/m3 (1.15 ± 0.20 W/m2). In addition, a maximum diesel removal efficiency of 98.15 ± 0.15% was obtained. These findings suggest that the integration of AgNPs in SMFC systems is a promising approach for enhancing petroleum hydrocarbon remediation while generating sustainable energy.
Spatial and temporal analysis of wild peat fire on island peatlands using remote sensing data Sutikno, Sigit; Hidayati, Nur; Ahmad Muhammad; Qomar, Nurul; Yamamoto, Koichi
Journal of Degraded and Mining Lands Management Vol. 13 No. 3 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.133.10773

Abstract

Indonesia has the largest areas of tropical peatland, which is becoming vulnerable to fires. Smoke haze crises due to forest fires that occur annually have plagued many parts of Southeast Asia between 2013-2015 with devastating effects on human health and economy. Fires spread fast on island peatlands in eastern Sumatra because their small catchments drain quickly into the sea. This research dived into the spatial and temporal patterns of peat wildfires in the Peat Hydrological Unit of Bengkalis Island. Drawing on remote sensing sources such as MODIS-C6 Terra/Aqua thermal hotspots from 2001 to 2020 and Landsat images, the findings revealed two clear yearly fire peaks in Bengkalis: Period I (January-March) and Period II (June-August). Hotspot density was concentrated in deep peat areas 57.3% of detections are from the 500-700 cm thickness class, and 93.1% from peat >300 cm. During 20 years, 343 fire-days burned a total of 56,202 ha; the largest single occurrence involved a burnt area of 19,999 ha in 2014. Monthly rainfall is the dominant climatic control, exhibiting a clear inverse relationship with hotspot frequency; rainfall below 100 mm/month defines elevated fire-risk conditions. These findings establish that MODIS hotspot monitoring combined with Landsat burned area mapping provides a robust long-term fire assessment framework, and that rainfall thresholds offer a practical operational basis for fire early warning systems on island peatlands.
Environmental risks and resource potential in small-scale gold mine tailings: A case study of Camarines Norte and Benguet, Philippines Gibaga, Cris Reven L.; Samaniego, Jessie O.; Tanciongco, Alexandria M.; Quierrez, Rico Neil M.; Gervasio, John Henry C; Bautista VII, Angel T.
Journal of Degraded and Mining Lands Management Vol. 13 No. 3 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.133.10787

Abstract

The tailings from the small-scale gold mining (SSGM) process are considered an environmental risk despite still containing precious metals. The tailings from three (3) small-scale mining sites, namely Paracale-Gumaus, Thanksgiving, and Antamok, were evaluated for both their environmental risk index as well as the amount of metals that are present. Results indicate that the tailings from the Paracale-Gumaus area have higher amounts of Au and Ag content at 26.9 mg/kg and 65.6 mg/kg, respectively, while having high amounts of mercury, arsenic, lead, and zinc. The Thanksgiving tailings, on the other hand, have low amounts of precious metals (Au: 2.9 mg/kg; Ag: 9.1 mg/kg) but have the highest environmental risk due to the presence of Cd. On the other hand, the Antamok tailings have relatively less contaminated levels, though there is an enrichment in potentially toxic elements (PTEs). The findings show the importance of adopting an approach to SSGM tailings management that involves risk mitigation alongside sustainable recovery processes, such as the use of green extraction techniques, which could lead to more effective recovery processes without causing much environmental damage. The findings clearly show that SSGM tailings can be categorized as resource-oriented, risk-oriented, or both. These findings serve as a foundation for classifying the SSGM tailings that will be remediated or recovered in the Philippines and other regions where artisanal mining takes place.

Page 105 of 105 | Total Record : 1043

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