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Aulia Nur Febrianti
UIN Sunan Ampel Surabaya
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Pentahelix Synergy in Coral Conservation: Restoring Ecological Health and Enhancing Social Trust through CBPR in Prigi Bay Dwi Ramadya Risqiana Putri; Aulia Nur Febrianti
Journal of Science and Engineering Vol 9 No 1 (2026): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v9i1.11806

Abstract

Coral reef ecosystems at Mutiara Beach, Trenggalek, face degradation due to sedimentation and non-environmentally friendly tourism. This study documents a community service initiative using a Community-Based Participatory Research (CBPR) approach to rehabilitate the reef and empower local stakeholders. Through a Pentahelix synergy involving academics, government, security forces (TNI), the private sector, and the community, 3800 coral fragments were successfully transplanted onto 12 iron rack units. Results indicate a significant increase in coral cover and fish populations, alongside a rise in tourism visits, evidenced by high ticket sales. Furthermore, the project established a sustainable “field laboratory” and strengthened social trust combining technical restoration with multi-stakeholder collaboration is vital for long-term marine conservation.
Optimalization of Solid Waste Transportation in Geger District, Madiun Rhenny Ratnawati; Aulia Nur Febrianti; Triana Triana
Journal of Science and Engineering Vol 9 No 1 (2026): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v9i1.11807

Abstract

This study aims to evaluate the performance of the solid waste transportation system in Geger District and determine the required transportation capacity to improve service coverage. The research involved the collection of primary and secondary data, including waste generation rates, transportation routes, and fleet characteristics (type, capacity, service area, and quantity). Fielad observations were conducted to quantity waste accumulation at temporary disposal sites, while fleet operational duration was analyzed through direct vehicle tracking. The performance assessment indicates that the current waste collection and transportation coverage is only 7.45%, demonstrating a significant gap between service capacity and waste generation. Operational analysis reveals inefficiencies in fleet utilization and routing. System optimization was conducted by estimating the required number of transportation units based on waste generation and service demand. Furthermore, a SWOT analysis was applied to formulate strategic improvements. The results suggest that enhancing fleet capacity, optimizing operational schedules, and improving TPS infrastructure are critical to increasing system performance. These findings provide a technical basis for developing a more efficient and sustainable solid waste transportation system in Geger District.
Co-Authors Agus Mardiyanto Annisa Budhiyani Tribhuwaneswari Arson, Rudolfus Dano, Gita Hang Darmastuti, Dwi Reping Dwi Ramadya Risqiana Putri Dwi Ramadya Risqiana Putri Erry Ika Rhofita Farikh Akhsanul Hafidhin Indah Nurhayati Joko Sutrisno Kurniawan, Helminoufal Latifah, Nabila Fuadah Made, Dewa Manik Ayu Titisari Muhammad Al Kholif Muhammad Indra Ramadhan Pungut Rahayaan, Natalia Rhenny Ratnawati Sri Widyastuti Sugih, Yuvita Sugito Susiloningtyas, Arianik Tjahjani, Ida Kusnawati Triana Triana Yanatra Budi Pramana