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Alfons, Alfred Benjamin
Universitas Sains Dan Teknologi Jayapura
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Journal : Journal of Innovative and Creativity

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Analisis Penentuan Lokasi Tempat Penampungan Sementara (TPS) Sampah di Distrik Depapre Kabupaten Jayapura Magai, Frans; Abrauw, Alberth E S; Alfons, Alfred B
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

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Abstract

This study analyzes the determination of temporary waste collection site (TPS) locations in Depapre District, Jayapura Regency, focusing on three villages: Tablanusu, Waiya, and Tablasupa. The research addresses the critical need for proper waste management infrastructure in a coastal tourism area that currently lacks adequate waste collection facilities. The study employed a descriptive survey method, utilizing both primary and secondary data through interviews with village heads and spatial analysis using Geographic Information System (GIS) buffering techniques. Population projections were calculated using arithmetic models, estimating growth from 1,368 residents in 2025 to 1,792 residents by 2034. Waste generation was calculated using SNI 19-3964-1995 standards at 0.08 kg/person/day and 2.5 liters/person/day. The research established five criteria for TPS site selection: road accessibility (buffer >100m), distance from settlements (<100m for accessibility), river proximity (>100m to prevent contamination), slope gradient (0-5% for optimal placement), and availability of vacant land (>10m²). GIS buffer analysis was applied to evaluate potential locations against these criteria. Results show that Waiya Village generates the highest daily waste volume at 470 kg (1,880 liters), followed by Tablasupa at 206 kg (823 liters), and Tablanusu at 179 kg (718 liters). The spatial analysis identified suitable locations in all three villages that meet the established criteria. The study recommends installing one 6m³ container-type TPS per village, with collection frequency of three times weekly using arm-roll trucks and three-wheeled vehicles for transportation. This research provides a scientific foundation for sustainable waste management planning in coastal tourism areas, contributing to environmental protection and supporting the tourism sector development in Depapre District
Efektivitas Pemanfaatan Air Lindi Sisa Pakan Maggot Sebagai Poc Terhadap Pertumbuhan Selada Air Sefaniwi, Yehuda Devid Welem; Alfons, Alfred B; Suhartawan, Bambang
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.2095

Abstract

Organic waste management in urban areas poses significant environmental challenges. Black Soldier Fly (BSF) maggot cultivation offers a sustainable solution by converting organic waste into valuable resources. However, the leachate produced during this process remains underutilized despite its potential as liquid organic fertilizer (LOF). This study aimed to evaluate the effectiveness of maggot feed residue leachate as liquid organic fertilizer on watercress (Nasturtium officinale) growth in hydroponic systems and determine the optimal concentration for maximum plant performance. An experimental study using Completely Randomized Design (CRD) was conducted with five LOF concentration treatments (0%, 5%, 10%, 15%, and 20%) and three replications, totaling 15 experimental units. The research was carried out at BTN Skyland, Abepura, Jayapura City, Papua, from February to September 2025. Parameters measured included plant height, leaf number, and fresh weight. Data were analyzed using one-way ANOVA followed by Tukey HSD post-hoc test. ANOVA analysis revealed highly significant effects (p < 0.001) of LOF concentration on all growth parameters. The optimal concentration was found at 10% LOF, showing remarkable improvements: 50% increase in fresh weight (30g vs 20g), 60-67% increase in leaf number (18-20 leaves vs 10-12 leaves), and 57-67% increase in plant height (20-22 cm vs 12-14 cm) compared to control. A dose-response pattern following an inverted parabolic curve was observed, with stimulation zone at 5-15% concentrations and inhibition zone at 20% concentration. Maggot feed residue leachate proved highly effective as liquid organic fertilizer for hydroponic watercress cultivation. The 10% concentration represents the optimal application rate, supporting sustainable urban agriculture while addressing organic waste management challenges. This technology demonstrates successful implementation of circular economy principles in urban farming systems.
Co-Authors Abel, Andrea K.M. Abel, Andrea Karina Marielle P. Abrauw, Alberth E S ALBERT EINSTEIN STEVAN ABRAUW Alberth E. S. Abrauw Alberth Einstein Stevann Abrauw Balabuana, Gaspar B Bambang Suhartawan Condro, Novita Daawia Daawia Daawia, Daawia Delaplata, Carolin Miranda Dewi ANGGRAENI Dewi Anggraeni Gaspar Bao Balabuana Helen Riupassa Herman Hi. Tjolleng Taba Iriyanto, Santje Iriyanto, Santje Magdalena Kogoya, Otius Lieza Corsita Lulita Anggreani Magai, Frans Maria Ch Hokoyoku Musfira, Musfira Ngaderman, Theodora Novianti, Andi Gita Nuriah, Yuyun Nurul Matin Padmi, Tri Rani, Ajeng Dewi Raynard C. Sanito Reliubun, Lukman Nurdiansyah Rumawak, Sarah A Rumawak, Sarah Agustina Rustam, Abdul Sarah Jessie Aprina Ubruangge Sefaniwi, Yehuda Devid Welem Selvi Jikwa Selvi Jikwa Sroyer, Katherina Sroyer, Katherina T. J. Mayor Sumule, Sapari Suyatno Suyatno Suyatno Suyatno Taba, Herman HI Tjolleng Tanwir, Tanwir Tri Padmi Tri Padmi Tri Winarno Tri Winarno Tri Winarno