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All Journal Journal of Selvicoltura Asean Journal of Humanities Research Sustainability
Caroline Eide
University of Stavanger
Agriculture, Biological Sciences & Forestry Humanities

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THE ROLE OF SHADE-GROWN COFFEE AGROFORESTRY SYSTEMS IN CONSERVING BIRD DIVERSITY IN THE SUMATRAN HIGHLANDS Regi Fernandez; Eddy Silamat; Caroline Eide
Journal of Selvicoltura Asean Vol. 2 No. 6 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jsa.v2i6.2769

Abstract

Conservation in the Sumatran Highlands is critically threatened by the continuous simplification of shade-grown coffee (SGC) agroforestry systems into sun-grown monocultures, necessitating an urgent evaluation of the ecological function of complex SGC structures. This study aimed to systematically quantify avian species richness (SR) and functional diversity (FDI) across the coffee land-use gradient to establish the specific structural determinants necessary for developing an Avian-Optimized Agroforestry Protocol (AOAP). A quantitative, gradient-based comparative study utilized the Fixed-Radius Point Count method and meticulous structural measurements across 54 plots. Data were analyzed using ANOVA and multiple linear regression. Results showed that High-Diversity SGC (HD-SGC) plots retained 72\% of avian SR and maintained an FDI (4.1) statistically equivalent to natural forest fragments (4.8), proving their functional viability. Regression confirmed that Shade Tree Basal Area (BA) and Canopy Closure (CC) are the most significant positive predictors of bird diversity (R^2=0.78, p < 0.001). Simplified systems, conversely, registered a steep 40\% drop in SR, confirming their ineffectiveness. The research concludes that the AOAP is validated by confirming that conservation value is determined by structural complexity, not just 'shade.' This compels global certification schemes to adopt precise, performance-based ecological standards using quantitative metrics like BA and CC.
Media Representation and Social Reality Critical Perspectives on Power, Identity, and Communication Petrus Jacob Pattiasina; Henrik Johansen; Caroline Eide
Journal of Humanities Research Sustainability Vol. 3 No. 4 (2026)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jhrs.v3i4.4320

Abstract

Background. Media plays a central role in shaping public perception, constructing social realities, and influencing individual and collective identities. Through selective representation of power, culture, and ideology, media platforms contribute to the framing of social issues and the construction of dominant narratives. In today’s interconnected world, the study of media representation has become increasingly crucial for understanding the social, political, and cultural dynamics that inform our daily lives. Purpose. This study aims to critically examine how media representation influences social reality, with a particular focus on issues of power, identity, and communication. It seeks to explore the ways in which media perpetuates or challenges social norms, constructs identities, and shapes power dynamics in society. The research also investigates the role of media in reinforcing or subverting dominant ideologies. Method. A qualitative, critical discourse analysis was employed to examine a variety of media sources, including news broadcasts, films, social media, and advertisements. The analysis focuses on identifying recurring themes and representations of power, identity, and communication across different media platforms. Results. The study finds that media representation often reinforces existing power structures and ideologies, yet it also offers spaces for resistance and subversion. The representation of marginalized groups is particularly significant in understanding how media constructs social identities and influences public perception. Conclusion. The research concludes that media is a powerful tool in shaping social reality and identity. It plays a pivotal role in both reflecting and shaping the ideologies that govern society. This study calls for a more critical engagement with media representation, particularly in relation to issues of power and identity.
Co-Authors Eddy Silamat Henrik Johansen Petrus Jacob Pattiasina Regi Fernandez