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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
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Articles 36 Documents
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Search results for , issue "Vol. 12 No. 2 (2025)" : 36 Documents clear
Vegetation development and soil conditions in reclaimed areas of former silica mines in Indonesia Yunanto, Tedi; Wildan, Dadan; Suparno; Megawati; Santoso, Natasya
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7141

Abstract

To restore the function of ex-mining land according to its designation, the ex-mining area must be reclaimed. Ecological dynamics, especially soil conditions and the composition, structure, and biodiversity that occur in reclamation areas, need to be understood so that the reclamation area meets the criteria for the success of mine reclamation. This study aimed to understand the composition, structure, biodiversity, and soil conditions that influence growth in the reclamation area. The research was conducted in a silica mine reclamation area with a 17.8 m radius (r) circular plot (0.1 ha) of 10 plots (±1 ha) for vegetation and 9 points for soil sampling at a depth of 0-30 cm and 30-60 cm. In general, the results of the vegetation inventory show that the tree species recorded are dominated by Pinus merkusii, Hevea brasiliensis, and Enterolobium cyclocarpum with mean values of diameter, height, and low diversity conditions. The condition of soil physical and chemical properties in the reclamation area at both depths shows low mean values, which can affect the growth rate of plants in the reclamation area. The species of Schima wallichii that grow naturally in the reclamation area was found, indicating that the reclamation activities have created a good environment for other tree species to grow naturally. However, enrichment activities need to be carried out to increase biodiversity.
Mercury pollution in water, soil, and biota induced by artisanal gold mining: A case study from Ananea District, Puno, Peru Huisa-Mamani, Fidel; Arizaca-Avalos, Americo; Llanque-Maquera, Oscar Eloy
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7159

Abstract

Artisanal and small-scale gold mining (ASGM) significantly contributes to global mercury pollution, posing serious environmental and health risks. This study assessed mercury contamination in the Ananea District, heavily impacted by ASGM activities. Mercury levels were measured in water, soil, and plant tissues using a Direct Mercury Analyzer (DMA-80). Results showed water mercury concentrations ranging from 0.1169 mg/kg to 1.54 mg/kg, far exceeding the World Health Organization's safe limit of 0.001 mg/kg. Soil samples contained mercury levels between 0.0909 mg/kg and 22.49 mg/kg, surpassing typical uncontaminated soil levels. Plant tissues had mercury concentrations from 0.0909 mg/kg to 7.7467 mg/kg, indicating potential entry into the food chain. Elevated mercury levels closely correlate with proximity to mining and processing sites, highlighting ASGM's direct environmental impact. These findings align with global patterns observed in other ASGM regions. The study underscores the urgent need for mitigation strategies, including stronger regulations, promotion of mercury-free technologies, and community engagement to reduce mercury emissions and protect public health.
Assessing land subsidence from anthropogenic activity in Northern Sumatra, Indonesia revealed using SAR interferometry Perdana, Redho Surya; Anggara, Ongky; Suhadha, Argo Galih; Pangestika, Dita Mulia; Atmojo, Aulia Try; Al Attar, Muhammad Nabil; Sonya, Putri; Alif, Satrio Muhammad
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7235

Abstract

Land subsidence is a significant issue in urban areas globally, including several cities with a growing population in Northern Sumatra, Indonesia. This study employs Sentinel-1 SAR data and the Small Baseline Subset (SBAS) InSAR technique to monitor land subsidence in Medan, Deli Serdang, Dumai, North Aceh, and Lhokseumawe from 2015 to 2023. The SBAS algorithm was implemented in LiCSBAS with an unwrapped interferogram. Then corrected for atmospheric effects using GACOS, was employed to increase the results of the land subsidence. The analysis was enhanced using GRACE satellite data to assess the impact of groundwater depletion on subsidence. Results indicate significant subsidence across all study regions, particularly in Medan and Dumai, with rates ranging from -48.6 mm/year to +54.1 mm/year. The findings highlight the critical role of rapid urbanization, excessive groundwater extraction, and oil and gas exploration in driving subsidence. This study underscores the need for sustainable urban planning and aquifer management to mitigate future environmental and infrastructural risks.
Weather factors affecting snow coverage on Mt. Jayawijaya, Indonesia Syamsinar; Halide, Halmar; Febrianti, Aini Suci; Laode, Andri Moh Wahyu
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7255

Abstract

The snow cover in Jayawijaya, Papua, Indonesia, has been rapidly declining due to various climatic factors, posing significant threats to both the ecosystem and local culture. This research focused on the analysis of the impact of weather factors (temperature, relative humidity, wind direction, and wind speed) on the decrease in snow cover in Mt. Jayawijaya. Using the datasets from 2013 to 2022, a stepwise multiple regression analysis was performed to ascertain the predictors for snow cover loss. The findings indicated that out of all the weather factors, relative humidity and wind direction were the most important, with a p-value of 0.005 and 0.032, respectively. The regression model indicates that higher humidity increases snow sublimation, while wind direction brings warm air that accelerates snow melting. Pearson correlation analysis showed a strong correlation (r = 0.81) between the observed snow cover decline and the model, with an RMSE of 20.70 ha. These findings contribute to the understanding of how atmospheric factors interact with snow dynamics in tropical regions and can aid in future conservation efforts for Jayawijaya’s snow cover.
Geophysical methods reveal a subsurface historic wastewater tunnel exposed by a sinkhole: a case study in Bandung City, Indonesia Parnadi, Wahyudi Widyatmoko; Warsa, Warsa; Nailufar, Mira; Jubaedah, Neng Endah; Ruchimat, Acep
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7265

Abstract

Bandung City, the capital of West Java Province in Indonesia, has changed its physical face rapidly due to the many constructions of office buildings, hotels, and other facilities until now. To avoid the instability of existing buildings and for building construction in the future, knowledge of the subsurface conditions in the city must be enhanced. A sudden soil collapse in the yard of the PAG Building occurred in early 2018 and resulted in a sinkhole with a diameter of 5 m, which revealed a historic wastewater tunnel structure in the subsurface. Non-invasive, low-cost, and time-effective geophysical methods to solve those problems are proposed. Ground-penetrating radar (GPR) and Electrical Resistivity Tomography (ERT), widely applied to identify artificial objects underground, came to be used for these purposes. A research to know the suitability of both methods for application began with numerical simulation, followed by field measurement on 4 GPR and ERT lines and analysis of each method. The results show that GPR data, through both numerical and field data,  could identify and locate the tunnel in a radargram due to its hyperbola shape, whereas ERT data provided the property contrast between the tunnel and its host. The results suggest that GPR and ERT techniques are effective for revealing water tunnels in the study area with a maximum depth of 1.8 m and a 65% reduction in size. These findings can be used as a guide to using both methods to reveal the water tunnel network in the central part of Bandung City for sustainable urban planning.
Distribution of heavy metals in Gasing River, South Sumatra, Indonesia Izromaita; Ibrahim, Eddy; Suheryanto; Wildayana, Elisa
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7313

Abstract

The environment consists of land, the earth's atmosphere, and air. Air quality is a measure of air conditions relative to the needs of one or more biotic species. The results of the air quality analysis obtained cloudy water at sampling points 1-5, parameters below class II water quality standards are found in pH parameter at points 6-15, DO parameter at all points, BOD parameter at all points, COD parameter at points 4-6, TSS parameters at points 1-5 and 7, while the temperature and TDS parameter are still below the quality standards at all sampling points. The results of heavy metal measurements obtained Pb parameter at all points, Cu parameter at points 4-15, Cd parameter at point 7, Fe parameter at all points, Mn parameter at points 1-3 and 6-15, while the Cr parameter is still below the quality standards at all sampling points. Point 8 obtained an index value of 5.13, which means moderate pollution, while points 1 to 7 and points 9 to 15 were lightly polluted.
Heavy metals in soil contaminated with aluminum black dross waste in Jombang Regency, East Java Lukita, Maya; Abidin, Zaenal; Riany, Etty; Ismail, Ahyar
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7301

Abstract

Aluminum waste recycling activities in Sumobito District, Jombang Regency, produce aluminum black dross that is classified as hazardous waste. Aluminum black dross dumped into the environment will become a potential hazard to human health and environmental quality. This study aimed to determine the soil condition at aluminum black dross landfills in Sumobito District. Soil quality was determined by comparing the concentration of heavy metals in the samples with the total concentration (TC) of heavy metal pollutants regulated by the Government Regulation of the Republic of Indonesia No. 22 of 2021. Soil samples were analyzed using X-ray fluorescence (XRF). The analysis of four landfill samples showed that all samples should be managed as hazardous waste. The analysis of soil samples carried out around the landfill area shows that three samples are managed as non-hazardous waste, and one soil sample must be managed as hazardous waste. This indicates that heavy metal infiltration of aluminum black dross from the landfill area into the soil area has occurred.
Soil and Water Assessment Tool (SWAT) model for hydrological response analysis in the Gajahwong subwatershed, Yogyakarta, Indonesia Hermawan, Sekar Gading; Suprayogi, Slamet; Fadlillah, Lintang Nur
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7287

Abstract

Hydrological response is a specific reaction of a watershed to rainfall, and one form is surface runoff, which can be influenced by climatic and physiographic factors. These factors are represented by various parameters that have their own impact on surface runoff, otherwise known as parameter sensitivity. The purpose of this study was to identify the hydrological response in the form of flow discharge based on the application of the Soil and Water Assessment Tool (SWAT) model and to identify the sensitivity of parameters that affect the hydrological response in the Gajahwong subwatershed. The data used in this study came from secondary data obtained from relevant agencies and primary data collected through sampling and laboratory testing. Flow discharge modeling was carried out using SWAT+ software, and the modeling results were automatically calibrated and validated using statistical tests. Meanwhile, sensitivity analysis was conducted by calculating the relative sensitivity values. The results showed that the flow discharge modeling of the Gajahwong subwatershed exhibited a pattern that is similar to the observed discharge. Based on this finding and the validation results with statistical tests, it can be said that the SWAT model can model and predict the flow discharge in the watershed quite well. The input parameter that is very sensitive and has a significant influence on the hydrological response in the subwatershed is the curve number (cn2), with a relative sensitivity value of 1.12.
Ecological risk assessment of some heavy metals in sediments in the Dong Nai River section flowing through Binh Duong Province, Vietnam Huynh, An The; Ho, Lien Bich; Nguyen, Tuyet Anh Huynh
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7247

Abstract

This study assessed heavy metal contamination and ecological risk in the sediments of the Dong Nai River section flowing through Binh Duong Province, Vietnam. Four monitoring stations (DN1, DN2, DN3, DN4) were established to analyze the concentrations of heavy metals, including arsenic (As), copper (Cu), zinc (Zn), lead (Pb), cadmium (Cd), and chromium (Cr). The results indicated that the concentrations of heavy metals were generally low and within acceptable limits established by Vietnam national standards (QCVN 43:2012/BTNMT). Notably, chromium and arsenic exhibited the highest concentrations among the metals analyzed. The Degree of Contamination (Cd) across the sampling sites ranged from 1.48 to 1.64, indicating a low level of overall sediment contamination. Correspondingly, the Potential Ecological Risk Index (PERI) values ranged from 5.23 to 6.73, reflecting low ecological risk levels across all monitoring stations. These findings suggest that while the current sediment quality in this section of the Dong Nai River is stable, ongoing monitoring is essential to prevent potential risks associated with heavy metal accumulation, particularly for chromium and arsenic. The study underscores the importance of proactive environmental management to safeguard the aquatic ecosystem against future contamination threats.
The potential use of rhizobacteria and cover crop residue for improving the growth of sorghum on post-nickel mining soil in Southeast Sulawesi Leomo, Sitti; Alam, Syamsu; Muhidin; Sadimantara, Gusti R
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7277

Abstract

The utilization of rhizobacteria and cover crop residue for improving plant productivity has been widely applied in agricultural land. However, the effectiveness of those treatments for increasing the growth performance of crops in the post-mining soil is still not evaluated. This study investigated the potential use of rhizobacteria and cover crop residue for improving the growth of Sorghum sp. developed in the post-mining soil in Southeast Sulawesi. An experiment was established at the laboratory level using a completely randomized design with three replicates for every treatment. Four treatments were examined in this trial comprising of CE (control+Eleusine indica), CC (control+Centrosema sp.), BE (Bacillus sp.+Eleusine indica), and BC (Bacillus sp.+Centrosema sp.). Some parameters were observed to evaluate the growth of Sorghum sp., namely diameter, height, total leaves, leaf area, and biomass. The results demonstrated the use of rhizobacteria and cover crop residue potentially improves the growth of Sorghum sp. in the post-mining soil even though there was not a significant difference among treatments statistically. The highest average biomass of Sorghum sp. was noted in BE (3.72±1.06 g), BC (3.20±0.50 g), CC (2.95±1.40 g), CE (2.81±0.33 g). These findings indicated that the treatment of BE was the best way to improve the growth performance of Sorghum sp. at the post-mining. According to the results, this study concluded that rhizobacteria and cover crops play a key role in soil fertility. The utilization of rhizobacteria and cover crop residue has the potential to support the growth of Sorghum sp. developed in the post-nickel mining soil.

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