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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 952 Documents
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The potential of coffee husk biochar for chromium removal from acid mine drainage using constructed wetlands Titania, Opi Mida; Fahruddin, Fahruddin; Latunra, Andi Ilham
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9587

Abstract

This study aimed to characterize physicochemical properties of biochar generated from coffee husks and assess its efficacy in the removal of chromium (Cr) from acid mine drainage (AMD) using a constructed wetland system. The biochar was made through pyrolysis and then chemically activated with H?PO? and KOH to enhance its adsorption. Characterization results showed increased surface area and porosity, and that functional groups such –OH, –COOH, and C=O were present, which are good for metal binding. In the experiment, 5 g of biochar (T2) reduced the amount of Cr from 59.53 ppm to 4.47 ppm in 12 days, which was better than other amounts of biochar applied. The study observed significant reductions in sulfate content and improvements in pH. The sulfate levels in T2 went down from 176.78 mg/L to 81.60 mg/L, while the pH increased from below 3 to 6.85. This shows that the acid was neutralized well. These improvements show that biochar not only absorbs contaminants but also lowers the acidity of AMD. The addition of mangrove sediment also enhanced the remediation process by using ion exchange, complexation, and microbial activity, especially from sulfate-reducing bacteria (SRB). The results show that coffee husk biochar, especially when combined with mangrove sediment, is a sustainable and eco-friendly material for treating heavy metal-contaminated acidic wastewater.
Assessment of water erosion risk in the Fergoug watershed in Algeria using a GIS-based RUSLE approach Oualid, Ahmed Tewfik; Hamimed, Abderrahmane; Benamina, Benyekhlef; Miloudi, Kaddour; Benslimane , Mohammed
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9531

Abstract

This work evaluated the spatial distribution and severity of water-driven soil erosion in the Fergoug watershed in northwestern Algeria by using the RUSLE model integrated within a Geographic Information System (GIS) framework. The watershed, characterized by steep slopes, erodible marly formations, and semi-arid Mediterranean climatic conditions, is highly vulnerable to land degradation. Five thematic layers corresponding to the RUSLE factors (rainfall erosivity, soil erodibility, slope length and steepness, cover management, and support practices) were produced using long-term rainfall records, a 30 m resolution Digital Elevation Model (DEM), Landsat-8 OLI imagery, and lithological maps. The spatial analysis revealed that rainfall erosivity ranges from 120 to 301 MJ mm ha-1 h-1 yr-1, while soil erodibility ranges from 0.015 to 0.065 t ha h ha-1 MJ-1 mm-1. High LS values are concentrated in the rugged southern and western sectors, whereas low C and P values are associated with forested zones with adequate soil protection. The integration of these parameters indicates an average annual soil loss of approximately 38.5 t ha-1 yr-1, with the most critical erosion zones exceeding 150 t ha-1 yr-1, mainly in steep and poorly vegetated areas. These findings demonstrate the effectiveness of coupling RUSLE with GIS and remote sensing for mapping erosion risk in data-scarce environments. The generated erosion risk map serves as a key tool to support decision-making, promote sustainable land management, and implement targeted soil and water conservation strategies in fragile semi-arid Mediterranean ecosystems.
Dehydrogenase enzyme activity and lead (Pb) availability due to the application of biochar and Bacillus sp. in heavy metal-contaminated soil Solekhah, Bella Agit; Priyadarshini, Rossyda; Maroeto, Maroeto
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9645

Abstract

The increase in industrial productivity has raised global concerns about heavy metal pollution in soil. Heavy metals pose a major obstacle to natural degradation processes, potentially disrupting the life of soil microorganisms and affecting the enzymes they produce. Intracellular dehydrogenases are more sensitive to contaminants than extracellular enzymes, making them highly effective indicators of heavy metal pollution in soil. This study aimed to evaluate soil dehydrogenase activity and lead (Pb) availability following the application of biochar and Bacillus sp. to heavy metal-contaminated soil. The experimental design used a completely randomized factorial design with two factors. The first factor was the form of giving rice husk biochar (D) with four dose levels: 0 t/ha (D0), 20 t/ha (D1), 40 t/ha (D2), and 60 t/ha (D3). The second factor was the application of Bacillus sp. bacteria (B), with doses of 0 mL/kg soil (B0) and 25 mL/kg soil (B1). The results of this study showed that the combination of rice husk biochar and Bacillus sp. significantly increased dehydrogenase enzyme activity. The highest increase was observed in the sixth week of incubation with D3B1 treatment (biochar at 60 t/ha and Bacillus sp. at 25 mL/kg soil), yielding a value of 2,465.53 TPF/g. In addition, the treatment significantly reduced lead availability, with the lowest value being 1.26 ppm.
Native arbuscular mycorrhizal fungi and Albizia saponaria for potential revegetation of tropical asphalt and nickel post-mining areas Tuheteru, Faisal Danu; Husna, Husna; Nurdin, Wiwin Rahmawati; Wibowo, Surya Edy; Tuheteru, Edy Jamal; Albasri, Albasri; Arif, Asrianti
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9545

Abstract

Native arbuscular mycorrhizal fungi (AMF) have been shown to effectively enhance the growth and nutrient uptake of Vitex cofassus grown on post-asphalt mining soils. However, their potential needs to be further evaluated across various mining substrates and different tree species. This study aimed to assess the effects of native AMF inoculation on the early growth performance of Albizia saponaria seedlings cultivated on post-asphalt and post-nickel mining soils under greenhouse conditions. A completely randomized design was employed with seven treatments: uninoculated control, Racocetra crispi, Glomus intraradices, Glomus sp., Glomus sp.-LW10, Glomus sp.-SW10, and Mycofer IPB/AMF mixture. Parameters observed after three months of growth included plant height, AMF root colonization percentage, total dry weight, mycorrhizal inoculation effect (MIE), and the uptake of phosphorus (P), nitrogen (N), calcium (Ca), and nickel (Ni). The results indicated that native AMF inoculation significantly improved early growth and total dry weight of  A. saponaria seedlings. The highest MIE values were observed in the  G. intraradices treatment, reaching 92.73% and 82,9%. Native AMF inoculation also enhanced the uptake of P, N, Ca, and Ni in plant tissues. These findings suggest that local AMF isolates can be effectively utilized to improve seedling quality and accelerate the success of revegetation programs on degraded post-mining lands in Indonesia.
Geotechnical zonation and bearing capacity assessment for risk-informed foundation design in the heterogeneous soils of Girsang Sipangan Bolon, Indonesia Nata, Refky Adi; Ren, Gaofeng; Andas, Jukepsa; Yulanda, Yudi Arista; Rahmi, Hisni; Syahmer, Verra
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9567

Abstract

Subsurface?failures, often caused by poor site investigation, are a serious issue in geotechnical engineering. This research focused on unpredictable soil response at a geologically complex site in Girsang Sipangan Bolon District, Indonesia, where very high significant variation in subsoil conditions led to foundation failure. The subsurface profile was studied, and the ultimate bearing capacity (UBC) was first characterized in this research for safe foundation design. The site investigation utilized 11 boreholes, including Standard Penetration Tests (SPTs) and undisturbed sampling. They processed the readings using Meyerhof's theory and determined the UBC for strip, pad, and circular foundations. The findings showed extremely high subsurface heterogeneity (with SPT-N values between very soft top layers and ultra-dense rock-coral). Therefore, there?is a large variation in the predicted UBC. Based on statistical analysis of the data, clear geotechnical zones were defined, with some boreholes showing high, consistent capacity and others showing locally weak strata. Fill and ring foundations also had greater theoretical bearing?capacities than rectangular footings. The main conclusion is that?sufficiently pronounced subsurface heterogeneity requires site-specific geotechnical investigations to minimize the risk of differential settlement. Therefore, foundation design cannot be uniform throughout the site; deep foundations, such as end-bearing piles, are suggested in highly variable zones to transfer loads to competent strata and ensure long-term structural safety.
Block compost for acid mine drainage remediation and as a growing medium for Melaleuca cajuputi seedlings Daniswati, Nisa; Mansur, Irdika; Herliyana, Elis Nina
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9555

Abstract

Environmental problems arising from mining include the formation of acid mine drainage (AMD), which contains high levels of heavy metals and has a low pH, requiring remediation. Block compost made from goat manure and mushroom baglog waste has the potential to remediate AMD and serve as a planting medium. The objectives of this study were to analyze the effect of block compost on AMD remediation and to assess its effect as a planting medium on the growth of Melaleuca cajuputi. This study used a completely randomized design with six block compost composition treatments: without block compost (P0), mushroom baglog waste 70% + cement 30% (P1), goat manure 70% + cement 30% (P2), goat manure 35% + mushroom baglog waste 35% + cement 30% (P3), goat manure 25% + mushroom baglog waste 45% + cement 30% (P4), goat manure 45% + mushroom baglog waste 25% + cement 30% (P5). The results showed that the treatment of block compost with various compositions (P1, P2, P3, P4, P5) was effective in increasing the pH of AMD from 3 to 5.1-6.4 and reducing the concentration of Cd, Cu, Pb, and Zn metals by 45.74-82.70% within 5 days. The application of block compost with various compositions also had a significant effect on the height growth of Melaleuca cajuputi. The P3 treatment significantly increased the height of the seedlings to 34.00 cm within 8 weeks.
Soil deterioration assessment as an indicator of land degradation in dry land ecosystems based on a multi-criteria approach, North Halmahera, Indonesia Sofyan, Adnan; Hartati, Tri Mulya; Ishak, Lily; Aji, Krishna; Hartono, Gunawan; Tangge, Nurul Ainun; Achmad, Fitriani H.
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9607

Abstract

Land degradation is one of the biggest challenges to agricultural sustainability in tropical regions, mainly due to the pressures of land intensification, climate change, and unsustainable soil management practices. Soil deterioration can occur in physical, chemical, and biological aspects, thereby reducing the soil's capacity to support agricultural productivity. This study aimed to evaluate the status of soil deterioration through a multi-parameter approach in the dryland ecosystem of North Halmahera, Indonesia. The parameters analyzed include solum thickness, surface stoniness, fraction composition, bulk density, porosity, water permeability, pH, electrical conductivity (EC), redox potential, and microbial population. The results showed that all points experienced degradation, with four points (T1, T2, T4, T5) classified as moderately deteriorated and the other four points (T3, T6, T7, T8) classified as severely deteriorated. The main factor of deterioration was very high salinity (29-50 mS/cm), far exceeding the critical threshold, which caused osmotic stress and ion toxicity to plants, low redox (100 mV), high bulk density (1.83-1.99 g/cm³), extreme porosity (>70%), and low microbial population (<10² CFU/g) at several points. However, the soil pH is relatively neutral (6.8-7.0), so it is not a limiting factor. The results of this study are used as reference material for sustainable land management to achieve the sustainable development goals.
Effect of the combined application of rhizobacteria and compost on the ability of Pteris vittata L. as a phytoremediator for mercury in gold mine tailing Aminatun, Tien; Budiwati, Budiwati; Suhartini, Suhartini; Raharjo, Rahmanto
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9597

Abstract

Artisanal gold mining activities in Indonesia often cause mercury (Hg) pollution, which is toxic and bioaccumulative. Phytoremediation using Pteris vittata L. as a hyperaccumulator and rhizobacteria Pseudomonas aeruginosa RTKP1 is an alternative to overcome this problem. This study aimed to analyze the effect of combined treatment of Pseudomonas aeruginosa RTKP1 induction and compost on the ability of Pteris vittata L. to accumulate Hg in gold mine tailings. The treatment consisted of bacterial induction without compost, and with compost at a tailings:compost ratios of 1:1 and 2:1. This study used descriptive and quantitative analyses. The results showed that Pseudomonas aeruginosa RTKP1 induction without compost resulted in the highest reduction in Hg levels in the tailings, from 10.7 mg/kg to 0.00467 mg/kg with a medium-high BCF value and TF <1, indicating a phytostabilization mechanism. However, the addition of compost reduced the effectiveness of bioaccumulation. Hence, treatment of Pseudomonas aeruginosa RTKP1 without compost was most effective in increasing the ability of Pteris vittata L. to reduce mercury content.
Bioremediation of the Lapindo mud contaminated soil using eco-enzyme: Case of a total petroleum hydrocarbon removal Sulistiyaningrum, Dwi Rakhmatun; Rumhayati, Barlah; Srihardyastutie, Arie
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9659

Abstract

This research investigated the effectiveness of bioremediation of Lapindo mud-contaminated soil using an eco-enzyme for total petroleum hydrocarbons (TPH) removal. The soil samples were collected from Glagaharum and Gedang Villages, Sidoarjo, East Java, Indonesia, which have been contaminated by the Lapindo mud containing TPH. The bioremediation experiment was carried out ex situ in a container filled with contaminated soil samples, which were watered with eco-enzymes daily. Bioremediation time was optimized at 0, 7, 4, 21, and 28 days while the eco-enzymes concentration was varied at 0, 5, 10, and 15% (v/v). The concentration of TPH in the soil samples was analyzed using the gravimetric method at 0, 7, 4, 21, and 28 days. The results showed that TPH concentration was gradually decreased during remediation. The remediation removal percentage reached an optimum after 21 days. The TPH was optimally removed using the eco-enzyme at 15% (v/v), achieving 95.39%. The bioremediation of contaminated soil using eco-enzymes also increased the contents of total C and total N by 50.97% and 39.43%, respectively. However, this treatment reduces total P by 50.89%. Furthermore, the pH and temperature values for the three samples before and after the bioremediation process remained fairly stable, within the pH range of 6-7 and the temperature range of 25.7-26.2 °C.
Assessment of landslides in the Banjarsari area, Ciamis Regency, Indonesia: A morphographic and morphometric approach Ibrahim, Mochammad Malik; Alfalah, Jasmin Arya; Zahra, Salsabila Az
Journal of Degraded and Mining Lands Management Vol. 13 No. 1 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.131.9623

Abstract

Landslides are among the most common geological hazards in Indonesia, particularly in areas with steep topography and complex geology. This study was conducted in the Banjarsari Area, Ciamis Regency, West Java Province, Indonesia, to assess landslide susceptibility using morphographic and morphometric approaches based on Digital Elevation Model (DEM) data and field observations. The results showed that more than 35% of the study area has slope gradients exceeding 15%, indicating it is landslide-prone terrain. Hilly morphographic conditions and morphometric characteristics influenced by geological structural control contribute to the occurrence of translational, rotational, and rockfall-type landslides identified during field surveys. Landslide susceptibility was further quantified using the Landslide Susceptibility Index (LSI), which integrates slope gradient, landform, drainage pattern, slope aspect, and field indicators. The spatial distribution of LSI values ranges from low to very high susceptibility and shows strong agreement with observed landslide locations. Areas with higher LSI values indicate zones of greater slope instability and provide an objective basis for prioritizing landslide mitigation efforts and for supporting risk-informed land-use planning in the study area.

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