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DADE JUBAEDAH
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SRIWIJAYA JOURNAL OF ENVIRONMENT
Published by Universitas Sriwijaya
ISSN : 25274961     EISSN : 25273809     DOI : 10.22135/sje.xx
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Energy Environmental Science Public Health
Sriwijaya Journal of Environment (SJE) publishes original research or theoretical papers, notes, and mini reviews on new knowledge and research or research applications on current issues in environmental sciences and related such as: Environmental Science, Environmental Technology, Environmental Health Environmental ethics Lowland Management Environmental policy Environmental economy
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 231 Documents
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Retaining Wall Design As a Landslide Disaster Mitigation Effort On The Enim River South Sumatra, Indonesia Putra, M. Sang Gumilar Panca; Anggraini, Nita; Wahyuni, Dwi
Sriwijaya Journal of Environment Vol 10, No 3 (2025): ENVIRONMENTAL ENGINEERING
Publisher : Program Pascasarjana Universitas Sriwijaya

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Abstract

This research focuses on analyzing the stability of three types of retaining walls cantilever, gravity, and sheet pile to address landslide risks along the Enim River in Tanjung Karangan Village, Muara Enim Regency. The village is prone to landslides due to high riverbanks and unstable soil conditions exacerbated by erosion and settlement encroachment. To mitigate these risks, retaining walls are crucial in maintaining slope stability and preventing further erosion. The study utilized Windows Forms methods to perform numerical simulations and evaluate key factors such as the safety factor, sliding resistance, overturning resistance, bearing capacity, and material strength of the designed walls. The cantilever retaining wall design proved effective, achieving safety factors for overturning (1.80), sliding (1.51), and bearing capacity (1.31), making it suitable for implementation at the study location. However, the gravity retaining wall, despite meeting safety requirements for overturning (1.72) and bearing capacity (1.35), failed in sliding, with a safety factor of 1.49, indicating it is not appropriate for this case due to insufficient sliding resistance. The analysis of the sheet pile retaining wall focused on embedment depth and material quality. A steel sheet pile with a length of 9 meters, an embedment depth of 4.82 meters, and material properties of Fy = 450 MPa and E = 2.1 x 105 MPa was determined to be a feasible solution. The findings conclude that both cantilever and sheet pile retaining walls can effectively mitigate slope instability and riverbank erosion, while the gravity retaining wall is not suitable for the given conditions. These results provide valuable insights for future infrastructure development in landslide-prone areas.
How Robust Is Local Knowledge? The Role of Pranata Mangsa in Rice Production Budiyoko, Budiyoko; Verrysaputro, Exwan Andriyan; Sunendar, Sunendar
Sriwijaya Journal of Environment Vol 10, No 1 (2025): Environmental Impacts
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.1.27-33

Abstract

The Bonokeling indigenous community of Banyumas District is still insisting on continuing its various traditions and local wisdom within various phases of life. One form of local wisdom possessed by the people of Bonokeling is the pranata mangsa, a calendrical system based on the apparent motion of the sun, which is widely used by Javanese farmers to determine planting times for agricultural commodities. This research was conducted in a bid to analyze the application of pranata mangsa and its impact on rice yield. In that respect, this qualitative-quantitative study uses primary data collected from interviews conducted among 50 farmers within the Bonokeling community and secondary data taken from the previous research and publications by related institutions. Data analysis used in the Wilcoxon signed-rank test. The result shows that there is no significant difference in the rice produced between farmers who used pranata mangsa and those who did not. This might probably be explained by increased uncertainty of the seasons due to climate change.
Integration of Socio-Agroecosystem in the Implementation of Semi-Autonomous Hand Tractors in Wetlands: Efforts to Empower Women and the Elderly Towards Sustainable Agriculture Saputri, Dellah Tian; Rejo, Amin; Adhiguna, Rizky Tirta
Sriwijaya Journal of Environment Vol 10, No 3 (2025): ENVIRONMENTAL ENGINEERING
Publisher : Program Pascasarjana Universitas Sriwijaya

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Abstract

Abstract: Pelabuhan Dalam Village, Ogan Ilir, is a swamp–lowland agricultural area dominated by rice cultivation. Challenges such as the decline in productive labor, the use of conventional tractors that cause soil compaction, and the low participation of women and the elderly have led to socio-economic and ecological problems. This study integrates a socio-agroecosystem approach through the implementation of semi-autonomous hand tractors to improve technical efficiency and community empowerment. The results show a 31% increase in work efficiency, a 17% reduction in fuel consumption, and a 21% decrease in soil compaction. The participation of women and the elderly also increased, accompanied by a 16% rise in household income per planting season. This integration has proven effective in promoting socio-economic welfare and the sustainability of wetland agriculture in South Sumatra. 
Ecotourism Product Development Strategy at Bunder Forest Park in Gunung Kidul Syaharani, Nabilla Rasya; Prayuda, Rizal Arya; Nurjuita, ike; supriyadi, supriyadi; agustina, ana
Sriwijaya Journal of Environment Vol 10, No 1 (2025): Environmental Impacts
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.1.34-40

Abstract

Conservation area in Tahura Bunder has the potential for natural resources and environmental services that can supply the strengthening of the tourism sector. Special interest nature tourism through educational tourism/educational tourism is a special attraction. The strategy for developing educational tourism is a great opportunity in developing educational tourism. For this reason, this research is important in analyzing these opportunities. This research was conducted on March, 2024, taking qualitative data in the form of descriptive information, narratives, images, or symbols which were then analyzed using an inductive approach with quantitative descriptive analysis. The results of the study show that there is potential for landscapes and views that can be developed, as well as SWOT and alternative approaches that can be taken for the development of the BunderForest Park as an ecotourism product. landscapes and views that can be developed.
Coastal Development Implications to changes of Coastal Typology in Denpasar City Environment Atmaja, Dewa Made; Gunamantha, I Made; Bharata, Ida Bagus Arya Yoga
Sriwijaya Journal of Environment Vol 10, No 1 (2025): Environmental Impacts
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.1.1-10

Abstract

The physical development that occurs can change natural landscape units and none other than that is the coastal typology in the coastal area of Denpasar City with high development intensity. This research aims to describe the implications of coastal development on changes in coastal typology in Denpasar City. The method in this research design is quantitative descriptive using QGIS tools for analysis and Landsat satellite image data available on Google Earth Pro for the period December 1990, 2005, and 2020. The results of the research show that in development implications for changes in coastal typology that occur in the coastal area of Denpasar City include the addition or widening of the coastline for the anthropogenic coast coastal typology for the 1990-2005 period which was ±21.12 km long and in the 2005-2020 period it was increased to ±5.14 km long. The widening of the coastline in the marine deposition coast typology experienced an increase of ±1.7 km in the 1990-2005 period. Changes that occurred as a result of development implications that occurred during the 1990-2005 period also included the loss of the marine deposition coast typology along ± 10.61 km. Apart from that, in the same period, ± 1.66 km along the coastal typology of build-by organisms disappeared. Residential settlements on Serangan Island, which included the anthropogenic coast typology, also disappeared during this period for ± 1.18 km.
Assessing the Characteristic of Bands Combination in Log Ratio Change Detection Using SAR Imagery Hartanto, Agus Dwi; Setyawan, Dwi; Taqwa, Ferdinand Hukama
Sriwijaya Journal of Environment Vol 10, No 3 (2025): ENVIRONMENTAL ENGINEERING
Publisher : Program Pascasarjana Universitas Sriwijaya

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Abstract

Log ratio is one of the change detection techniques often used in SAR image-based flood inundation analysis where the differences in characteristics between its polarizations are expected to complement each other and provide optimal predictions. This research aimed to identify the characteristics of the output generated from various potential combinations utilizing log ratio change detection. The study utilized Sentinel-1 GRD IW dual polarization mode before and during the flood event  as its main datasource. Briefly, the data processing consists of preprocessing, collocation, and change detection, which were subsequently followed by analysis and evaluation. The analysis results indicated a highly significant difference in characteristics among the four outputs of log ratio change, where the combinations of VH1/VH2 and VV1/VV2 detected much smaller changes compared to the combinations of VV1/VH2 and VH1/VV2. The VV1/VH2 combination acts as a counterpoint to the VH1/VV2 combination, as the changes identified in VV1/VH2 showed a tendency towards positive values, whereas the opposite is true for VH1/VV2. The evaluation results show that the highest frequency of errors in detecting changes sequentially was observed in the combinations of VH1/VV2, VV1/VH2, VV1/VV2, and VH1/VH2.
Analysis of Ecotourism Development Typology in Indonesia: A Scoping Review Nugroho, Albertus Erico Jerry Krisna; Hidayat, Agung; Verdilla, Anastasia
Sriwijaya Journal of Environment Vol 10, No 1 (2025): Environmental Impacts
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.1.41-51

Abstract

This research examines the typology of ecotourism development in Indonesia through a scoping review approach by analyzing 37 scientific articles. The results show seven main categories of ecotourism development: education-based, regional or local potential, community, local wisdom, national regulation or strategy, conservation, and disaster mitigation. Each category illustrates a specific approach tailored to Indonesia's geographical, social and cultural conditions. Community-based approaches and local wisdom support active community engagement, while conservation and disaster mitigation-based approaches emphasize the importance of environmental preservation in the face of climate change. By combining perspectives from various disciplines, this research offers novelty in systematic mapping of ecotourism management. Analysis of the effectiveness of government policies, more in-depth exploration in less accessible areas, and the use of digital technology in tourism area management are some recommendations for further research. These results can be an important reference for readers around the world who are interested in ecotourism practices in tropical and developing countries. In addition, they can provide guidance to support sustainability for policy makers, academics, and ecotourism practitioners.
The Combination of Medium and Method of Cultivation on The Growth Performance of Porphyridium cruentum Hasanah, Hasanah; wulandari, Wulandari; afriani, Afriani; Hariski, M.; Muji Rahayu, Dyah; Arbajayanti, Rahma Dini
Sriwijaya Journal of Environment Vol 10, No 1 (2025): Environmental Impacts
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.1.11-16

Abstract

Porphyridium cruentum has advantages in pigments and exopolysaccharides, so it has the potential to be developed in the food, pharmaceutical, nutraceutical, and cosmetic industries. Porphyridium cruentum cultivation media uses synthetic and indoors, causing high costs. This study aims to determine the growth performance of Porphyridium cruentum in different mediums and method of cultivation. The research methods used cultivating Porphyridium cruentum for 7 days with four treatments, namely indoors Guillard media (IGM), outdoors Guillard media (OGM), indoors fertilizer media (IFM), and outdoors fertilizer media (OFM. Each treatment had three replications. Growth was identified using an optical density spectrophotometer uv-vis, gravimetrically dried weight of biomass and pH adjustment during 7 days of cultivation. The result shows the best growth performance in IFM, followed by IGM, OFM, and OGM. Fertilizer media is better for the growth of Porphyridium cruentum than Guillard media. pH growth Porphyridium cruentum during cultivation 7-7.5. Indoor cultivation is better than outdoor cultivation. The highest biomass was IFM, which had the best performance in IFM with OD 0.247, pH 7, and biomass 79.6%.
Antibacterial Activity of Lactic Acid Bacteria Isolated from Cincalok Against Escherichia coli and Listeria monocytogenes Oktavia, Yulia; Lubis, Zuwita Cahaya Rani Br; Amrizal, Sri Novalina; Wulandari, Wulandari
Sriwijaya Journal of Environment Vol 10, No 3 (2025): ENVIRONMENTAL ENGINEERING
Publisher : Program Pascasarjana Universitas Sriwijaya

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Abstract

This study aims to determine the antibacterial activity of lactic acid bacteria (LAB) isolates from cincalok, a traditional shrimp fermentation product, against Escherichia coli and Listeria monocytogenes. Five lactic acid bacteria isolates (A1, A2, A3, A4, and A5) were assayed for their antagonistic activity against E. coli and L. monocytogenes. The antagonistic assays were conducted with different incubation times of the LAB isolates before the antagonistic assays. The incubation times were 18, 21, and 24 hours. LAB isolates that showed inhibition zones were further assayed in antibacterial assays. Antibacterial assays were conducted by the disk diffusion method. Antagonistic and antibacterial assays were each carried out in triplicate. The antagonistic assay results showed that only isolates A3 and A4, which were incubated for 24 hours, showed inhibition zones. Inhibition zones of isolate A3 against L. monocytogenes were 1.33 ± 1.04 mm, while against E. coli were 0.67 ± 0.29 mm. Inhibition zones of isolate A4 against L. monocytogenes were 1.33 ± 1.04 mm, while against E. coli were 1 ± 0.5 mm. Antibacterial assay results showed inhibition zones of isolate A3 against L. monocytogenes were 4.67 ± 0.58 mm, while E. coli 6.67 ± 2.08 mm. Inhibition zones of isolate A4 against L. monocytogenes were 3.67 ± 0.58 mm, while E. coli 4.33 ± 0.58 mm. Antibacterial activity of Isolates A3 and A4 had weak inhibition against L. monocytogenes and E. coli. Antibacterial activity depended on the type of target bacteria and was influenced by incubation time and environmental conditions.
Evaluation of the Utilization of Palm Oil Mill Liquid Waste with the Land Application method at PT. X Izhar, Muhammad; Prayitno, Muh. Bambang; Ulqodry, T. Zia
Sriwijaya Journal of Environment Vol 10, No 1 (2025): Environmental Impacts
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.1.52-58

Abstract

Palm oil mill effluent (POME) as one of the largest wastes produced in the crude palm oil (CPO) production process is one of the significant environmental challenges in the palm oil industry. POME contains low pH and also contains organic and highly nutritious materials so that it has the potential to be utilized. The land application method has been proposed as one solution to utilize POME sustainably. This study evaluated the utilization of POME through the land application method at PT. X, with a focus on the palm oil mill liquid waste management system and its effect on surface water quality. The data obtained showed that the PT.X palm oil mill liquid waste management system already succeeded in reducing BOD levels by 64.83%. The results of surface water quality tests in the upstream and downstream water bodies around the activity location also showed that most parameters were still below the quality standards required by the government regulations. However, supervision of the implementation of land application must always be carried out because it also has a risk of water pollution if not managed properly.

Page 23 of 24 | Total Record : 231

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