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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 50 Documents
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Search results for , issue "vol. 13 no. 3 (2026)" : 50 Documents clear
Pollution analysis and quality assessment of heavy metals in the Batanghari River Water, Jambi, Indonesia Badariah, Badariah; Heraningsih, Sarah Fiebrina; Rainiyati, Rainiyati; Yulistian, Saldi; Jauza, Zia
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.2026.133.10595

Abstract

The Batanghari River is currently under serious threat due to extensive anthropogenic activities, including illegal gold mining, domestic waste discharge, and industrial effluents. This study aimed to evaluate the biogeochemical characteristics and the extent of heavy metal contamination in the Batanghari River water. Pollution indices, including the Single Factor Pollution Index (Pi), Nemerow Pollution Index (NPI), Contamination Factor (CF), Degree of Contamination (Cd), Pollution Load Index (PLI), and Potential Ecological Risk Index (PERI), were calculated to assess contamination levels and ecological risk. The results showed that the Batanghari River is heavily contaminated with heavy metals, with NPI values ranging from 4.05 to 35.8, exceeding the threshold for severe pollution (NPI>3.0). Mercury (Hg) was identified as the dominant pollutant, followed by cadmium (Cd), copper (Cu), and lead (Pb). The high Hg concentration is associated with illegal gold mining activities along the riverbanks. The computed PLI values (2.7-5.1) and Cd values (>24) confirmed deterioration in the river water quality. PERI analysis revealed very high ecological risk at several sites, with values up to 1,298, mainly attributed to Hg and Cd toxicity. Without proper treatment, the Batanghari River is no longer suitable for direct use, posing significant ecological and human health risks. Without proper treatment, the Batanghari River is no longer suitable for direct use, posing significant ecological and human health risks.
Role of pioneer trees and stand structure in facilitating reclaimed limestone quarry regeneration Yunanto, Tedi; Shiddiq, Asep M.I.; Suswanto, Suswanto; Megawati, Megawati; Wulansari, Ayu Ratna; Baroroh, Maryam Karomah; Wardani, Melly Kusuma; Choirunnisa, Jihan
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.2026.133.10703

Abstract

Mine reclamation is essential to restore the natural functions of an environment. This usually starts with the planting of pioneer plants to enhance soil and trigger ecological succession. But the choice of pioneer species can have a huge impact on natural regeneration. This study investigated the impact of different planted pioneer species and their stand characteristics on the composition and number of naturally regenerated tree seedlings in a reclaimed limestone quarry. This study surveyed 14 random circular plots (radius 17.8 m) and compared the existing stand properties (Basal Area and Mean Height) and the number of naturally regenerated tree seedlings in the understory. The planted pioneer species significantly affected seedling abundance and composition, with twenty-four species identified. Enterolobium cyclocarpum (Fabaceae) was considered to be a particularly effective nurse tree and provided 'islands of fertility' for different heterospecific seedlings. Other species were found to have very large autogenic regeneration or inhibitory effects. Multiple regression indicates that BA positively (b=48.51, p=0.0009) and Mean Height negatively  (b=-17.27, p=0.00995) had an impact on seedling abundance (adjusted R²=0.627), and the total amount of seedling is compared to the light limitation by stand maturity and seedling density from 2017 to 2024. Potassium (K?) and clay content were significantly increased from 2017 to 2024. These findings highlight that a variety of pioneer species, including Fabaceae can be planted together with silvicultural interventions, including thinning to increase canopy structure, seedling recruitment, biodiversity and ecosystem recovery in post-mining sites
Coalbed methane potential in Kalimantan-Indonesia: Geological condition, membrane technology, environmental and economic challenges Fikri, Hafidz Noor; Elma, Muthia; Rahma, Aulia; Azwar, Prayudhi; Handoko, Heryanto; Rahmi, Resti Nisaidha
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.2026.133.10277

Abstract

Kalimantan has extensive Neogene coal reserves, making it an area with great potential for coalbed methane (CBM). After decades of preliminary investigations and studies, coalbed methane production has not yet reached the desired level. This indicates a complex interaction among geological, techno-economic, and environmental challenges. This study provides a literature review on the CBM potential in Kalimantan. A comprehensive literature study was conducted on the coalbed methane system in Kalimantan. The key parameters synthesized are the geological conditions of coal in the form of thermal maturity, gas composition, adsorption characteristics, and permeability, followed by the environmental impact and economic feasibility when applied. It appears that the greatest potential for CBM lies in the Kutai, Barito, and Tarakan basins. The reported Kalimantan coal ranks are primarily sub-bituminous to high-volatile bituminous (Ro = 0.4%-0.7%). Gas storage capacity significantly, ranging from 44 to 410 scf/ton (1.5-9.0 m³/ton). However, CBM application is hampered by poor reservoir permeability (often <5 mD) and undersaturated deposit conditions. Studies have shown that high development costs, long drying times, and unfavorable fiscal conditions have made most CBM projects uneconomical at current domestic gas prices. This review reconfirms that Kalimantan holds significant CBM resources. However, the financial viability of CBM projects depends on the ability to address significant technical barriers and requires financial incentives due to the high risks and substantial long-term investments involved.
Response of soil strength and density to compost application: A study on the vegetative phase of pineapple Dermiyati, Dermiyati; Rahmawanty, Adisty; Afandi, Afandi; Larasati, Jeni; Ramadhani, Winih Sekaringtyas; Yuwono, Slamet Budi
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.2026.133.10519

Abstract

This study aimed to determine the effects of applying 50 t ha?¹ of compost, made from a mixture of cow dung, bromelain waste, and chopped bamboo, on soil compaction and penetration in pineapple (Ananas comosus L. Merr.) plantations in Central Lampung, Indonesia. This study used a survey method at four locations, each representing a different age of pineapple plants. Soil penetration analysis was performed using a Digital Cone Penetrometer. Soil bulk density and total pore space were determined using the volumetric method. The results indicated that soil compaction decreased with increasing pineapple plant age, corresponding to a reduction in soil bulk density. Specifically, the soil bulk density values for pineapple plants at 0, 3, 5, and 9 months after planting (MAP) were 1.42 g cm?³, 1.23 g cm?³, 1.13 7 g cm?³, and 1.02 g cm?³, respectively. Lower soil bulk density corresponded to less soil compaction, leading to lower soil penetration resistance. The lowest soil penetration value was recorded at location 9 MAP, while other locations remained below the critical soil penetration limit. A lower soil penetration value indicates reduced soil strength. There was a positive correlation between soil bulk density and specific gravity, and between soil penetration and age at 5 and 9 months. Conversely, higher soil pore space and dispersion index were associated with decreased soil penetration. In conclusion, applying 50 t ha?¹ of compost appears to be an effective solution for pineapple cultivation.
The potential of zeolite for the remediation of cadmium-contaminated Andisol from Dieng Plateau, Central Java, and its effect on potato vegetative growth Herliana, Okti; Kharisun, Kharisun; Tamad, Tamad; Sakhidin, Sakhidin
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.2026.133.10717

Abstract

Dieng Plateau, with Andisols, is one of the centers for potato cultivation in Indonesia. The intensive use of synthetic chemical fertilizers and pesticides to maximize potato yields has led to high cadmium levels in some potato fields, exceeding the U.S. Environmental Protection Agency's maximum threshold. Cadmium is an immobile heavy metal that can inhibit plant growth and pose health risks. Remediation of the cadmium-contaminated soil is required. This study aimed to elucidate the potential of zeolite for the remediation of cadmium-contaminated soil and the growth of potatoes. The treatments tested in this study were combinations of zeolite doses (5, 10, and 15 t/ha) and particle sizes (50, 100, and 100 mesh) applied to cadmium-contaminated soil. The variables observed were soil properties and potato vegetative growth. The results showed that applying 15 t/ha of 150-mesh zeolite significantly affected soil N, P, K, pH, and, especially, reduced soil Cd concentrations. The application of 10 t/ha of 150-mesh zeolite yielded the greatest increase (73.80%) in potato plant height, number, and leaf area. The application of 15 t/ha of 150-mesh zeolite yielded the lowest cadmium content (0.08 ppm) in the potato plant tissue.
Determination of slip plane geometry and classification of landslides on gentle slopes: Implications for management of degraded lands Utami, Ainun Ayu; Imran, A.M.; Pachri, Hendra
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.2026.133.10509

Abstract

Shallow translational landslides on gentle slopes (~15°) in Herlang Subdistrict, Bulukumba Regency, South Sulawesi, have caused significant land degradation through soil erosion, nutrient loss, and damage to residential and agricultural areas in the weathered Walanae Formation. This study integrated 2D electrical resistivity imaging using the Wenner–Schlumberger array, Atterberg Limits testing, and Chemical Index of Alteration (CIA) analysis to elucidate landslide mechanisms and provide practical guidance for restoring degraded lands. The resistivity results indicated a saturated calcareous sandstone layer with very low resistivity (<7.53 ?m) as the main sliding mass, overlying a more competent fine tuff layer (28.9-111 ?m) at depths of 3.5-14.5 m, which serves as the slip plane. Soil samples are classified as high-plasticity clay (CH) according to the Unified Soil Classification System, with Plasticity Index values ranging from 34.55% to 39.82%. High CIA values (83.64-87.48) indicate intense chemical weathering leading to kaolinite dominance, which explains the marked reduction in shear strength upon saturation and the occurrence of translational failures even on gentle slopes. These integrated findings provide a robust scientific basis for developing low-cost restoration strategies, including subsurface drainage, terracing, and bio-engineering with deep-rooted vegetation, to enhance slope stability and restore soil function in similar tropical degraded landscapes.
Soil erodibility in Sangarus Catchment area: Linking soil properties to land degradation and sustainable management strategies Siregar, Diyanti Isnani; Kusumandari, Ambar; Permadi, Dwiko Budi; Santosa, Sigit Heru Murti Budi
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.2026.133.10349

Abstract

Land degradation resulting from agricultural expansion is a significant issue in the Sangarus Catchment area of Lampung, Indonesia, particularly in the upstream region. The conversion of forests into intensive agricultural land has led to declines in soil physical properties and increases in erosion rates. This study aimed to analyze the magnitude of soil erodibility (K-factor) and to evaluate its relationship with soil physical properties, to inform targeted management strategies. The research employed a Land Mapping Unit (LMU) approach, collecting 47 soil samples across the catchment based on soil type, slope, and land cover overlays. The soil samples underwent laboratory analysis for texture, structure, organic matter, and permeability. The K-factor was calculated following the Wischmeier and Smith equation. The results indicated that soil erodibility values (K) in the Sangarus Catchment area ranged from 0.01 to 0.33, with the highest erodibility observed in the upstream area, particularly within mixed dryland agriculture land use. In contrast, secondary forests exhibited the lowest soil erodibility. Statistical analysis revealed that soil permeability was the most significant factor influencing erodibility, followed by other soil properties. These findings suggest that mitigation strategies for the upstream mixed dryland agriculture zones should prioritize Nature-Based Solutions (NBS). Combining agroforestry systems with the intensive application of organic amendments is recommended as a primary strategy. These approaches are essential for improving soil permeability and maintaining organo-mineral complexes, thereby restoring hydrological functions and ensuring the sustainability of the catchment against the risks of degradation.
Evaluating logistic regression and decision tree for landslide susceptibility mapping: A comparison with heuristic methods in Indonesia Rama, Khairut Tamam Dwi; Hendrayanto, Hendrayanto; Jaya, I Nengah Surati
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.2026.133.10307

Abstract

Landslides are one of the most frequent and destructive natural disasters in Indonesia, yet national susceptibility assessments still rely heavily on heuristic frameworks based on expert judgments. This study evaluated the performance and interpretability of two Machine Learning (ML) models, Logistic Regression (LR) and Decision Tree (DT), compared with the heuristic baseline for landslide susceptibility mapping in the Ciujung sub-watershed, West Java-Banten. The models were developed using the NASA Global Landslide Catalog and 13 conditioning factors at 30 m spatial resolution. The LR model passed the multicollinearity test and identified annual rainfall, soil texture, and land use as dominant factors, while DT identified the same factors as the main controller, but emphasized the role of local threshold and interactions between factors. Slope does not appear as a dominant factor due to the mudslide character that not only occurs on steep slopes, but also spreads to flatter areas as deposition zones, thereby reducing the discriminating power of slope in pixel-based modeling. The models of LR and DT performed quite well (AUC>0.9) and generated spatially limited susceptibility zones. In contrast to the heuristic baseline, which sometimes overestimates the hazard areas. The findings indicated that LR and DT frameworks are able to improve the methodological transparency, spatial accuracy, and policy relevance, offering a viable approach for evidence-based catastrophe governance.
Biochar of coal reject waste from coal mines, and its combination with chicken manure as an ameliorant material to increase rice paddy productivity Sulistiono, Muhammad Ramadhan Fauzi; Hartono, Arief; Pulunggono, Heru Bagus
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.2026.133.10429

Abstract

Increasing coal production each year has led to more coal rejects, which become mining waste and are generally unused, potentially causing long-term environmental problems. Research on its use as a soil conditioner is still limited, and no studies have specifically developed pyrolysis coal rejects into biochar combined with chicken manure to increase rice productivity. This study aimed to elucidate the effects of applying coal reject biochar and chicken manure on rice growth and production, as well as on soil chemical properties in Karawang Regency. This study compared coal reject and chicken manure (RCCM) with coal reject biochar and chicken manure (RCBCM) at doses of 0 (control), 5, 10, 20, and 40 t ha-1 using a split-plot design. The results showed an increase in pH and organic C with increasing dose. The RCBCM plot had a higher organic C value than the RCCM. In addition, RCBCM produced 3.97 kg of harvested dry paddy per plot, respectively, which was higher than RCCM 3.51 kg. On a hectare scale, RCBCM produced 6.35 t ha?¹ of harvested dry paddy, while RCCM produced 5.617 t ha?¹, respectively. The 20 t ha?¹ dose produced 3.78 kg of harvested dry paddy per plot or 6.06 t ha?¹. This was not significantly different from that of a 40 t ha?¹ dose, which produced 4.96 kg per plot or 7.93 t ha?¹. Therefore, the 20 t ha-1 dose was recommended as the optimal dose.
Effectiveness of modified biochar–humic acid–microbe–based granular organic fertilizer on mung bean in calcareous soil Matheus, Rupa; Kantur, Donatus; Pallo, Marchy; Risbarkah, Euis Bayu
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.2026.133.10231

Abstract

Calcareous soil is one of the dominant and potentially productive soil types found on Timor Island; however, it faces a major constraint in agricultural production due to relatively low nutrient availability, particularly phosphorus. This condition reduces the efficiency of chemical fertilizer application. Therefore, this study was conducted to evaluate the effectiveness of organic granular fertilizer based on modified biochar, humic acid, and functional microbes on the uptake of nitrogen (N) and phosphorus (P), as well as on the growth and yield of mung bean (Vigna radiata L.) cultivated in calcareous soils. An explanatory pot experiment was conducted in the Screen House of the State Agricultural Polytechnic of Kupang, employing a completely randomized design with several types of organic granular fertilizer (F1-F4) and a control (P0), each replicated three times. Compared with the control, the F4 treatment consistently produced the most favorable responses, including greater plant growth and higher nutrient uptake. Furthermore, the application of the F4 fertilizer formula simultaneously improved soil chemical properties, encompassing organic C content, soil N, available P, exchangeable K, and cation exchange capacity, indicating that the F4 formula has potential as an alternative for enhancing the productivity of calcareous soils.

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