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Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
Published by Institut Pertanian Bogor
ISSN : 20864639     EISSN : 24605824     DOI : https://doi.org/10.29244/jpsl
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science
JPSL publishes articles in fields: Environmental Policy and Management, Disaster Mitigation, Regional Planning, Land Resources Evaluation, Hidrology, Systems Modelling and Sciences, Water Pollution, Air Pollution, Environmental Technology, Ecotourism, Biodiversity, Environmental Economics, Public Communications, Social Sciences, Anthropology, Environmental Health
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Konservasi Alam dan Lahan
Articles 742 Documents
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Land Use/Cover Dynamics in the Ruhuhu River Basin, Tanzania (1990–2023): A Multi-temporal Satellite Imagery and Machine Learning Analysis Helene Stephene Francis; Sosteness Jerome Nakamo; Fadhili Mgumia
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.550

Abstract

This study presents the first multi-decadal analysis of Land Use and Land Cover (LULC) dynamics in the Ruhuhu River Basin, Tanzania, over a 34-year period (1990–2023). Multi-temporal satellite imagery from Landsat 5 TM, Landsat 8 OLI, and Sentinel-2 MSI was classified using the Random Forest algorithm within Google Earth Engine into six LULC categories: water, barren land, forest, grassland, farmland, and shrubland. The classification accuracies were robust (overall accuracy: 81.60–98.70%; Kappa: 80.02–87.40%). The results revealed a sharp decline in forest cover from 56.92% to 28.60%, coupled with significant expansions in farmland (2.99% to 21.40%) and barren land (5.29% to 14.00%), driven by agricultural intensification and coal mining. These transformations have far-reaching implications for the ecological integrity of Lake Nyasa, including disrupted hydrological cycles, biodiversity loss, and reduced ecosystem services. This study provides spatially explicit evidence to support integrated land management and conservation strategies in the Ruhuhu catchment and similar sub-Saharan African river basins.
Assessment of Water Quality and Pollution Load Capacity in a Taluduyunu River, Gorontalo Province: The Impact of Artisanal Gold Mining Activities Sofian Rodiana; Alinda Fitriany Malik Zain; Fifi Gus Dwiyanti
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.511

Abstract

Artisanal small-scale gold mining (ASGM), locally known as PETI (Penambangan Emas Tanpa Izin), has substantially altered the upstream Taluduyunu River in Pohuwato Regency, Gorontalo Province, a reach supplying drinking water to roughly 19,686residents through PDAM Tirta Maleo. To quantify the scale of this degradation, water quality was assessed at four stations across the disturbance gradient during the 2023 dry season, covering 24 physicochemical parameters against Class II standards (PP 22/2021). Among all parameters measured, only total suspended solids (TSS) exceeded regulatory thresholds. At SR3, the most intensively mined station, TSS reached 21,000 mg/L, 420 times the 50 mg/L Class II limit, while BOD and COD remained below detection limits at all locations. The pollution index (PI) placed SR3 in the heavily polluted category (PI = 10.01) and SR2 and SR4 in the moderately polluted range. Actual TSS loads exceeded assimilative capacity (TMDL) by approximately 100-fold: BPA = 5,237,913.6 kg/day againstBPM = 52,272 kg/day, leaving a deficit of roughly 5.2 million kg/day and requiring a 99% load reduction for compliance. Multi-stakeholder analytic hierarchy process (AHP) analysis ranked TMDL determination (weight 0.341) and river classification (0.264) as themost urgent interventions, ahead of community outreach, monitoring, and law enforcement. The combined TMDL–AHP approach developed here may transfer to other ASGM-impacted watersheds, contributing to SDG 6 and SDG 15 objectives.
Detecting Flood Inundation using a Multi-Threshold Overlay Approach and Its Relationship with the Land Cover in Pontianak Boy Rangga; Hervian Handika Sugasta; Doddy Cahyadi Saputra
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.494

Abstract

Pontianak is a lowland area prone to flooding driven by hydrological factors, topographical conditions, and land cover changes. This study analyzed flood inundation using a Multi-Threshold Overlay approach based on Sentinel-1 SAR imagery and examined its relationship with land cover classified from Sentinel-2 MSI imagery using the Random Forest algorithm on the Google EarthEngine. This study assumes that the Multi-threshold Overlay approach improves flood detection reliability by identifying areas consistently detected across multiple threshold values. The relationship between flood inundation and land cover was analyzed using spatial overlay and regression analysis. The results showed that the land cover classification achieved an Overall Accuracy of 78.82% (κ = 0.706), while the flood inundation detection attained an Overall Accuracy of 85% (κ = 0.70). The Multi-Threshold Overlay approach identified 1,335.86 ha of flood inundation and generated consistent inundation areas across all threshold values (1.05–1.25). The consistent identification of inundated areas across multiple threshold values suggests that integrating threshold values can improve the reliability of flood inundation mapping. Overlay analysis indicated that infrastructure areas accounted for 49.8% of the total inundated area, followed by agricultural/plantation areas (26.0%) and vegetation cover (24.2%). Regression analysis further confirmed a strong positive relationship between land cover and flood inundation extent (R² = 0.875; r = 0.93). These findings suggest that the dominance of built-up areas increases the risk of flood inundation, highlighting the importance of infiltration space, sustainable drainage systems, and blue-green infrastructure in spatial planning.
Institutional Structural Modelling of District Governments for Sustainable Management in the Danau Sentarum Landscape Indra Kumara; Rinekso Soekmadi; Lilik Prasetyo; Arzyana Sunkar
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.483

Abstract

The Danau Sentarum landscape in West Kalimantan, Indonesia, is a catchment area containing important peat wetland ecosystems that support biodiversity conservation, local livelihoods, and hydrological functions in the upper Kapuas River Basin. However, under Law No. 23/2014 on Regional Government, formal authority over watershed management in the forestry sector lies with the central and provincial governments, whereas regency governments retain responsibility for other sectoral functions that affect watershed conditions. This study examined the structural relationships among district government functions relevant to sustainablelandscape management in Danau Sentarum. Data were collected through a literature review, focus group discussions, and expert interviews with relevant institutional representatives and analyzed using Interpretive Structural Modelling. The analysis identified 30 functional elements and produced an inconsistency index of 9.56%. Environmental management, spatial planning, and land administration were positioned as the main driver functions with high driving power and low dependence. Agriculture, fisheries, tourism, trade, industry, labor, and energy and mineral resources formed linkage functions that connected ecological governance with naturebased production and local economic activities. Settlement, connectivity, investment, cooperatives and small and medium enterprises, social protection, community empowerment, and public order functions were positioned as more dependent outcomes. These results suggest that district-level watershed governance in the Danau Sentarum landscape may be improved byemphasizing environmental management, spatial planning, and land administration above the coordination of productive and welfare sectors. This study presents a function-based institutional map for district-level planning in Danau Sentarum, and requires additional validation to evaluate its use in other watershed environments.
Study of the Effectiveness of Patriot Bina Bangsa Urban Forest Bekasi City in Reducing PM2.5 and PM10 Pollutant Concentrations Ridho Rio Handoko; Rachmad Hermawan; Nizar Nasrullah
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.562

Abstract

The population density and increasing number of vehicles in Bekasi City have the potential to increase air pollution, especially PM2.5 and PM10 concentrations in Bekasi City. This study aimed to analyze the effectiveness of the Patriot Bina Bangsa Urban Forest (PBB UF) in reducing the concentrations of PM2.5 and PM10 pollutants; measure the ability of leaves from dominant tree species in PBB UF to adsorb particulate pollutants; and analyze the impact of distance, vehicle emissions, Leaf Area Index (LAI), speed, and wind direction on reducing PM2.5 and PM10 concentrations in PBB UF, Bekasi City. The research was conducted using field observations,gravimetry, and literature studies. The effectiveness of Patriot Bina Bangsa Urban Forest in reducing PM2.5 concentration was 14.40% while PM10 was 20.81%. A three-week study of dust absorption by the leaves of the broad-leaved mahogany (Swietenia macrophylla) showed that the leaves’ ability to absorb dust increased each week. The average ability of leaves to adsorb daily dust was 14,192.23µg/cm2, with the largest percentage decrease occurring at a distance of 0–10 m (43.07 %). Dust absorption capacity decreases as the distance from the dust source increases. It is suspected that vehicle emissions are the most dominant variable influencing PM2.5 and PM10 concentrations in PBB UF.
Bird Community Responses to Edge Areas in Sengon (Paraserianthes falcataria) Plantation in Kediri, Indonesia Hammam As-shidqi Muhammad; Ani Mardiastuti; Yeni Aryati Mulyani
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.524

Abstract

Habitat edges modify environmental conditions and species interactions; nonetheless, their impact on bird communities in tropical plantation landscapes is still not well comprehended. This study examined bird community responses to edge formation in sengon (Paraserianthes falcataria) plantations in Kediri, East Java, Indonesia. Bird surveys were conducted using point counts across sengon interior, agroforestry edge, and pineapple plantation edge. Species diversity was compared using Hutcheson’s t-test, and feeding guild was analyzed using PERMANOVA. A total of 30 bird species from 20 families and 2,338 individuals were detected. The sengon interior supported the highest species richness (26 species) and diversity (H′ = 2.463), compared with 22 species (H′ = 2.335) at the agroforestry edge and 22 species (H′ = 2.162) at the pineapple edge, though not significantly different (p > 0.05). The lowest encounter rates occurred in the interior (75.3 ± 6.9 individuals/hour), and higher rates occurred at the agroforestry edge (81.2 ± 9.5) and the pineapple edge (79.7 ± 7.4). Feeding guild differed among habitats(PERMANOVA, p = 0.003), although pairwise comparisons were not statistically significant (p = 0.100–0.106). Arboreal insectivores prevailed at the agroforestry edge (22.7%), aerial insectivores at the pineapple edge (18.2%), and both guilds were equally dominant in the interior (19.2%). These results indicate that sengon plantation areas maintain ecological importance for supporting both taxonomic and functional aspects of bird diversity in agricultural environments. Preserving habitat quality and supplementary habitat resources in neighboring areas might further strengthen the ecological function of sengon plantation patches in bird conservation.
Fruiting Tree Used by Greater Bird-of-Paradise (Paradisaea apoda) in Logging Concession in South Papua Tri Ananda Nur Ikhsan; Yeni Aryati Mulyani; Ani Mardiastuti; Raka Aditya Pramunandya; Vinoba Chandra
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 5 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.5.615

Abstract

The greater bird-of-paradise (Paradisaea apoda), known as an endemic bird of the Papuan region, plays a vital role in seed dispersal. While habitat conversion threatens populations, empirical data on foraging ecology within managed landscapes remain scarce. This study evaluated the structural characteristics and dietary preferences of fruiting trees utilized by Paradisaea apoda. Fieldwork was conducted in the PT Inocin Abadi concession, South Papua, for 75 days from July to September 2023 and September 2024. Feeding trees were confirmed at nine observation points based on direct observation, relatively extended periods with fruit-handling movements, and evidence of fallen fruits. Vegetation structural attributes were quantified across 18 sampling sites using squared line transects. Species dominance was evaluated using the Importance Value Index (IVI). Of the five tree species recorded, six were identified as food sources, with direct consumption observed for Myristica inspida and Oncosperma tigillarium. The consumed fruit dimensions ranged from 5.97 to 40.07 mm in length and 6.19 to 25.40 mm in diameter. The IVI analysis revealed no single species dominance, reflecting an even co-dominant structural profile within the concession area. Two food plants (Calophyllum soulattri and Myrstica fatua) overlap with commercial timber species. To maintain habitat suitability, concession areas must enforce non-harvesting policies within river buffer zones and integrate food plants into retention-tree guidelines and enrichment planting programs.
Pb and Cd Accumulation of Avicennia marina Leaves and Roots in the Angke Kapuk Mangrove Protected Forest, Jakarta, Indonesia Cecep Kusmana; Amandita Lintang Rumondang; Fathia Rosatika; Istomo
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 5 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.5.584

Abstract

The Angke Kapuk Mangrove Protection Forest (AKMPF) in Jakarta is an urban mangrove area affected by ongoing human-caused pollution. There is little information on how much Pb and Cd accumulate in Avicennia marina tissue, the dominant species there. This study measures Pb and Cd concentrations in the leaves and roots of Avicennia marina and examines whether distance from the shoreline affects metal accumulation. Sampling was conducted from June to August 2022 using three transect plots (20 × 140 m) in two distance zones: within 100 meters of the shoreline and beyond 100 meters of the shoreline. A total of 12 plant samples (six leaves and six roots) were collected, digested using wet-acid digestion, and analyzed by Atomic Absorption Spectrophotometry (AAS). Data were evaluated using descriptive statistics, Shapiro–Wilk and Levene's tests, paired and Welch's t-tests, correlation analysis, and translocation factor (TF). Pb was found at a higher concentration than Cd in both leaves and roots. Pb levels were significantly higherin leaves compared to roots (p < 0.05), but Cd levels were similar in both organs. There were no significant differences between shoreline-distance zones, which suggests that metal exposure was fairly uniform. Translocation factor values above 1 indicate thatAvicennia marina can move metals to its above-ground parts. Overall, the results suggest that Avicennia marina is a tolerant bioindicator that helps take up, store, and move heavy metals in urban mangrove ecosystems.
Spatial and Temporal Distribution of Microplastics in Water and Surface Sediments Along the Jawi River–Kakap Estuary, West Kalimantan, Indonesia Grin Tommy Panggabean; Achmad Mulyadi Sirodjul Munir; Bambang Kurniadi; Pratita Budi Utami
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 5 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.5.629

Abstract

Microplastics (MPs) are ubiquitous contaminants in river-estuary systems but their distribution in the water column vs surface sediments in tropical regions is still poorly understood. The present study aims to investigate the spatial and temporal distribution of MPs abundance and properties in water and surface sediments at the Jawi River–Kakap Estuary, West Kalimantan, Indonesia. Sampling was carried out at 17 sites including upstream residential areas, middle sections and the estuarine zone during June to August in 2025. MPs levels in surface sediments were generally higher than those in the water column during the study. Fibres were the most abundant particle type in the water with a maximum concentration of 161 particles, while fragments were the dominant particle type in the surface sediments with a maximum concentration of 1,250 particles, indicating that these depositional areas are sites of significant accumulation. The Kruskal-Wallis test revealed significant differences in MPs types between water and sediments for all the months of sampling (p < 0.001). However, significant spatial differences between the upstream (PT), middle-reach (KR), and estuarine (SK) station groups were detected only in the water column during June (H = 10.90, p = 0.004) and July (H = 7.05, p = 0.030), but not in sediments. Transparent particles dominated both water and sediments, but sediment samples contained a greater variety of colours. These results indicate that the water column responded more promptly to the spatial heterogeneity of MPs input and transport, while surface sediments presented more extended periods of accumulation.
CMIP6 Multi-Model Ensemble Projections of Climate Change Impacts on Precipitation, Temperature, and Climate Extremes in the Anai Watershed, West Sumatera, Indonesia Yulia Fitri Harahap; Fitra Armando; Edo Nofriadi
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 5 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.5.662

Abstract

Climate change increasingly affects hydroclimatic conditions at the watershed scale. This study assessed the projected changes in precipitation, maximum and minimum temperatures, and climate extremes in the Anai watershed under the CMIP6 emissionscenarios SSP2-4.5 and SSP5-8.5. Three CMIP6 GCMs (NorESM2-MM, NorESM2-LM, and TaiESM1) were statistically downscaled and bias-corrected with observed precipitation and temperature data using CMhyd Software. Temporal trends were evaluated using theMann–Kendall test and Sen’s slope estimator, and 14 ETCCDI indices were analyzed to characterize future climate extremes. The results showed an increase in the projected annual precipitation and temperature, particularly under a higher emission scenario.Annual precipitation is projected to increase by approximately 3.04 mm/year under SSP2-4.5 and 4.04 mm/year under SSP5-8.5 emission scenario. The maximum temperature is projected to rise at 0.01 °C (SSP2.-4.5) and 0.04 °C (SSP5-8.5) while minimum temperature statistically not significant elevate under SSP 2-4.5 at 0.01 °C, and annually increase significantly under SSP5-8.5 at 0.03 °C conversely. Monthly projected precipitation and temperature tend to have similar patterns of projection compared to the historical period, with more climatic variability in the future. Furthermore, seasonal changes suggest more frequent heavy rainfall events and a decrease in cold nights in the future in the Anai watershed. These changes imply heightened risks of flooding, landslides, and heat stress, underscoring the need for climate-resilient watershed management and adaptation planning in the Anai watershed.

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