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All Journal Jurnal Rekayasan Lingkungan dan Biosistem
Mas Davino Sayaza
Environmental Study Center, Ibn Khaldun Bogor University
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Other

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Freshwater Ecosystem Policies for Sustainable Management of Eels (Anguilla spp.) in Sukabumi Regency Siti Rahmawati; Mohammad Mukhlis Kamal; Tjahjo Tri Hartono; Robin Bahari; Triyanto Trie; Mas Davino Sayaza
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 2 No. 2 (2024): Jurnal Relibi Vol.2 No.2 2024
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v2i2.1258

Abstract

Sukabumi Regency, rich in environmental and eel resources, faces challenges such as declining fish biodiversity, habitat degradation, and invasive species. This study used field surveys and descriptive data analysis to identify key issues in eel fisheries, including: a) low income for eel fishermen; b) limited market volume for eels; c) inadequate implementation of eel cultivation practices; d) lack of designated eel conservation areas; and e) declining eel habitat quality. To address these issues, the study proposes a sustainable eel fisheries plan with policies focused on: a) improving the eel supply chain; b) establishing and managing conservation areas; c) integrating watershed management; and d) promoting economic development for small-scale eel fishing communities.
Socioeconomic Feasibility of Waste-to-Energy Facilities: A Case Study in South DKI Jakarta Rizal Riyadi; Tjahjo Tri Hartono; Mas Davino Sayaza
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 2 No. 2 (2024): Jurnal Relibi Vol.2 No.2 2024
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v2i2.1259

Abstract

The socioeconomic feasibility of Waste-to-Energy (WtE) facilities is analyzed through a case study in South Jakarta, emphasizing its potential as a sustainable urban waste management solution. This study evaluates the comparative costs and benefits of implementing an Intermediate Waste Treatment Facility (ITF) in three prospective locations: Sukapura (North Jakarta), Pesanggrahan, and Petukangan Selatan (South Jakarta). Results highlight Sukapura’s strategic advantage due to its industrial zoning, resulting in lower residential density, reduced social resistance, and minimized environmental costs. By contrast, higher costs are associated with South Jakarta sites due to greater population densities, leading to amplified pollution impacts. Key findings reveal that WtE facilities generate significant environmental and economic benefits, including reduced greenhouse gas emissions, improved air and water quality, job creation, and regional budget efficiencies. The integration of circular economy principles, such as waste reduction and resource efficiency, further underscores the importance of sustainable waste management strategies. However, successful WtE implementation requires careful alignment with land-use planning and community engagement to address socio-environmental challenges effectively. This study offers valuable insights for policymakers and urban planners, proposing that strategic site selection and adaptive approaches are critical for achieving long-term sustainability in waste management.
Barriers to Green Job Growth in Indonesia: Insights on Economic, Educational, and Social Challenges Mas Davino Sayaza; Tjahjo Tri Hartono
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 2 No. 2 (2024): Jurnal Relibi Vol.2 No.2 2024
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v2i2.1261

Abstract

This study examines the barriers to green job development in Indonesia, focusing on economic, educational, and societal dimensions. Using a literature review methodology, the research synthesizes findings from academic studies, policy reports, and government publications to identify key challenges. Economic barriers include insufficient investment, inadequate fiscal incentives, and limited financial access for small and medium enterprises (SMEs). Educational barriers highlight a lack of targeted training programs, insufficient integration of sustainability in curricula, and disparities in access to education in rural areas. Societal barriers are reflected in low public awareness, negative perceptions of green jobs, and limited inclusion of marginalized communities. These challenges constrain the growth of green industries and limit workforce readiness for emerging sectors. The study concludes that addressing these barriers requires coordinated efforts, such as enhancing investments, reforming education systems, and fostering societal engagement.
Financial Viability Assessment of Intermediate Waste Treatment Facilities in South Service Area of DKI Jakarta Rizal Riyadi; Tjahjo Tri Hartono; Mas Davino Sayaza
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1679

Abstract

This study evaluates the economic feasibility of developing Intermediate Waste Treatment Facilities (ITFs) utilizing Waste-to-Energy technology in Jakarta's South Service Area. A comparative analysis was conducted using two scenarios: conventional landfill management versus ITFs implementation at two potential locations—Pesanggrahan (South Jakarta) and Sukapura (North Jakarta). The research employed secondary data analysis over one month in August 2021, utilizing financial indicators including Net Present Value (NPV), Internal Rate of Return (IRR), and Benefit Cost Ratio (BCR). Environmental and social externalities were integrated into the economic assessment. Results demonstrate that conventional landfill approaches yield negative present value of IDR 5.24 billion, indicating financial unsustainability. Conversely, WtE technology scenarios show positive economic viability: Pesanggrahan achieves NPV of IDR 441 million (IRR 12.12%, BCR 1.08), while Sukapura demonstrates superior performance with NPV of IDR 1.25 billion (IRR 16.15%, BCR 1.23). The findings establish clear economic justification for transitioning from disposal-based to resource recovery systems, with industrial zone locations offering strategic advantages for ITF development in Jakarta's waste management modernization strategy.
Rural Livelihood Diversification and Economic Adaptation in East Kalimantan: Evidence from Six Village Communities Mas Davino Sayaza; Endah Nadiya Stephanie
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1725

Abstract

This study examines rural livelihood diversification patterns across six village communities in East Kalimantan Province, Indonesia. Using qualitative methodology including focus group discussions, in-depth interviews, and seasonal calendar development, the research analyzes how rural households adapt their economic strategies within contexts shaped by palm oil expansion and extractive industries. The study was conducted in Tepian Indah, Tepian Langsat, Tepian Makmur, Tebangan Lembak, Tepian Baru, and Tepian Budaya villages within Bengalon Subdistrict, Kutai Timur Regency. Findings reveal that livelihood strategies operate within complex intersections of demographic composition, land allocation systems, infrastructure access, and institutional capacity. Oil palm cultivation dominates five villages through both independent farming and plasma partnership arrangements, while mining employment characterizes Tebangan Lembak. Infrastructure disparities create differential opportunities for economic activities, with variations in electrical access, transportation connectivity, and water security affecting household adaptation strategies. Gender analysis shows women's critical roles in autonomous economic activities and environmental adaptation, though often underrecognized in development planning. Weak institutional capacity limits collective action for market integration despite formal farmer group existence. The study contributes to understanding rural economic adaptation in resource-rich regions by demonstrating how livelihood diversification reflects responses to both opportunities and constraints created by extractive industry presence.
Framing Floods: A Qualitative Analysis of Jakarta Flood Coverage in Indonesian Online Media Mas Davino Sayaza; Tazkialaras
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 2 (2025): Jurnal Relibi Vol.3 No.2 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i2.2335

Abstract

This study examines how Indonesian online media framed the Jakarta floods in 2024 using framing theory, agenda-setting theory, and attribution theory. Through qualitative content analysis of ten news articles from two major online portals, the research identifies dominant frames, causal attributions, and implications for public discourse. Findings reveal that 80% of articles framed floods as natural disasters caused primarily by weather conditions (90%), while only 30% mentioned infrastructure inadequacy. Government sources dominated coverage with consistently positive framing, and 100% of articles emphasized emergency response while only 20% discussed long-term solutions. The study contributes to environmental communication scholarship by documenting how Indonesian media construct flood narratives and extending disaster framing research to the Southeast Asian context.
Co-Authors Endah Nadiya Stephanie Mohammad Mukhlis Kamal Rizal Riyadi Robin Bahari Siti Rahmawati Tazkialaras Tjahjo Tri Hartono Tjahjo Tri Hartono Tjahjo Tri Hartono Tjahjo Tri Hartono Triyanto Trie