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Beyond the Green Revolution: A 10-Year Longitudinal Mixed-Methods Analysis of Balinese Subak Socio-Ecological Governance and its Alignment with SDG 2 and SDG 6 Fitriyanti Fitriyanti; Anita Havyasari; Ni Made Nova Indriyani; Jasmila Tanjung; Matilda Munoz; Maya Enderson; Sudarto Sudarto
Indonesian Community Empowerment Journal Vol. 5 No. 1 (2025): Indonesian Community Empowerment Journal
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/icejournal.v5i1.50

Abstract

The global challenges of food insecurity (SDG 2) and water scarcity (SDG 6) require proven, sustainable governance models. Socio-ecological systems (SES) rooted in local wisdom (kearifan lokal) offer resilient alternatives. The Balinese Subak, a UNESCO World Heritage site guided by the Tri Hita Karana philosophy, is a pre-eminent example. This research employed a 10-year (2015-2025) longitudinal, mixed-methods, comparative case study of two Subak systems in Bali. We collected a comprehensive dataset including 1,200 systematic water sampling events (yielding 7,200 analytical data points for pH, TSS, BOD, COD, NO3-N, PO4-P) and a 10-year rolling panel survey (n=2,000 completed survey-years) to assess agricultural and governance metrics. Qualitative data (n=60 interviews, n=24 meeting observations) were thematically analyzed. Generalized Linear Mixed-Effects Models (GLMMs) revealed a statistically significant time-dependent reduction in pollution, including Nitrate (β = -0.21 mg/L/year, p < .001) and BOD (β = -0.15 mg/L/year, p < .001), across both sites. This trend was strongly associated with a validated Social Governance Index (SGI). Critically, rice yields remained stable at a high-productivity average (6.2 t/ha), while chemical pesticide use declined by 48% (p < .001). Qualitative analysis identified the core mechanisms: (1) Tri Hita Karana as an internalized moral framework, (2) ritual calendars as coordination mechanisms, and (3) awig-awig as an adaptive governance system. In conclusion, the Subak system demonstrates a proven, sophisticated, and data-driven framework that operationalizes kearifan lokal to achieve the non-trade-off, simultaneous goals of sustainable agriculture (SDG 2) and clean water (SDG 6). These findings provide robust evidence that such systems are not relics but essential, adaptive governance models for global sustainability.
Beyond the Canopy Cover: A Comparative Mediation Analysis of Green Space Quality versus Quantity on Mental Well-being and Social Cohesion in High-Density Low-Income Neighborhoods Jasmila Tanjung; Maya Enderson; Taufiq Indera Jayadi; Eva Naritawati; Nurul Hanifah; Maximillian Wilson
Scientia Psychiatrica Vol. 6 No. 2 (2025): Scientia Psychiatrica
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/scipsy.v6i3.197

Abstract

Introduction: Rapid urbanization in the Global South has precipitated a mental health crisis, particularly in high-density, low-income neighborhoods where environmental stressors are endemic. While the association between urban green space (UGS) and mental well-being is well-documented, a critical knowledge gap remains regarding the differential impacts of green space quantity (availability) versus quality (usability/biodiversity) and the mediating role of social cohesion. Methods: This cross-sectional study employed a comparative mediation analysis involving 1,240 residents across 15 high-density districts in Jakarta, Indonesia. UGS quantity was measured using satellite-derived Normalized Difference Vegetation Index (NDVI), while quality was assessed using the Quality of Public Open Space Tool (POST). Mental well-being was evaluated using the WHO-5 Index, and physiological stress was quantified via salivary cortisol. Structural Equation Modeling (SEM) was utilized to test the mediating pathways of social cohesion and physical activity. Results: UGS quality demonstrated a significantly stronger direct effect on mental well-being (β = 0.42, p < 0.001) compared to UGS quantity (β = 0.15, p < 0.05). Social cohesion fully mediated the relationship between UGS quality and well-being (Indirect Effect = 0.18, 95% CI [0.12, 0.25]), whereas salivary cortisol levels were inversely associated primarily with UGS quality (β = -0.33, p < 0.001). Conclusion: In resource-constrained urban environments, the quality of green space—defined by safety, amenities, and aesthetics—is a more critical determinant of public mental health than mere vegetative cover.