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All Journal Jurnal Pembangunan dan Alam Lestari Journal of Coffee and Sustainability
Burhanuddin, Achmad Dadang
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Environmental Science Other

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Evaluating Performance and Sustainability of the Waste Bank in Some Cities in East Java Indonesia Burhanuddin, Achmad Dadang; Yanuwiadi, Bagyo; Arisoesilaningsih, Endang
Jurnal Pembangunan dan Alam Lestari Vol. 15 No. 2 (2024): Jurnal Pembangunan dan Alam Lestari
Publisher : Postgraduate School of Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpal.2024.015.02.03

Abstract

East Java was one of the top five waste Indonesian producers in 2020, and the waste bank is a promising strategy for managing domestic waste better. This study aims to evaluate the performance and sustainability of waste banks in East Java. The research was conducted by observing 40 Surabaya, Malang, and Gresik waste banks. The interview involved managers and 10% of waste bank customers. The bank’s performance and sustainability were determined by some indices: effectiveness, elasticity, zero-waste index (ZWI), and diversion rate. Results showed that waste banks varied in the establishment age (6 to 10 years) and performance (moderate to high). The highest proportion of waste managed by waste banks was plastic and paper. However, some of them also managed degradable waste. The Gresik and Malang District waste banks were established younger and performed better than the Surabaya City ones.  All waste banks reduced waste slightly, as shown by the ZWI index (0.20 to 0.40) and diversion rate (21 to 40%) in reducing waste volume disposal to landfills. Its sustainability constraints were facilities, prices, partners, community or government support, and the COVID-19 pandemic. Waste banks provided some benefits, including increasing sorted waste, environmental sanitation, income, and culture changes. Keywords: Covid-19, East Java, performance, sustainability, waste banks
Evaluation of Flood Disaster with Canopy Density Analysis in Batu: Mitigation Strategy through Coffee Agroforestry Burhanuddin, Achmad Dadang; Nisa, Nur Islakhun
Journal of Coffee and Sustainability Vol. 2 No. 2 (2025)
Publisher : Directorate of Research and Community Services

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jcs.2025.02.02.02

Abstract

Flash floods that struck Bumi Aji, Batu City, in 2021 were a direct consequence of environmental degradation, primarily the loss of water catchment areas due to land-use change and must restoration strategy. This study aims to: (1) analyze the decline in canopy density using Geographic Information System (GIS) and the Normalized Difference Vegetation Index (NDVI), (2) assess the impact of this decline on flood vulnerability, and (3) formulate a strategic mitigation model with coffee agroforestry. Through a time-series analysis of satellite imagery (<2000 to 2020), the research identifies significant land degradation, particularly on the northern slopes of Mount Arjuno, where vegetation cover decreased by approximately 40% due to agricultural expansion. This reduction diminishes water infiltration and increases surface runoff, heightening flood risk. In response, this paper proposes a strategic shift to coffee-based agroforestry as a sustainable land conservation model. This approach directly restores a multi-layered canopy, which improves soil structure and reduces erosion. Furthermore, it offers economic resilience for local communities through diversified income. Implementing coffee agroforestry is presented as a synergistic strategy that aligns with Bumi Aji's agrotourism potential while effectively mitigating future flood disasters through ecological restoration.
Co-Authors Bagyo Yanuwiadi Endang Arisoesilaningsih Nisa, Nur Islakhun