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All Journal PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Geographia: Jurnal Pendidikan dan Penelitian Geografi
Sekar Alim Padar
Universitas Sulawesi Tenggara
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Public Health Social Sciences

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Transplantasi Terumbu Karang Berbasis Citizen: Strategi Pendampingan Generasi Muda Desa Karae untuk Konservasi Pesisir: Citizen-Based Coral Reef Transplantation: A Youth Mentorship Strategy for Coastal Conservation in Karae Village Alim Setiawan; Budiyanti Budiyanti; Sekar Alim Padar; Arwin Arwin
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 6 (2026): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v11i6.11988

Abstract

Karae Village, Siompu District, possesses coral reef ecosystems that are essential to the sustainability of coastal resources; however, these ecosystems are increasingly threatened by destructive fishing practices and low awareness among young people. This community service activity aimed to enhance youth participation and understanding in Karae Village regarding coral reef conservation through a citizen-based coral reef transplantation approach. The program was implemented using a participatory approach comprising preparation, education, transplantation implementation, mentoring, and activity evaluation stages, involving 25 young participants. The results showed that all transplanted coral fragments were in good initial condition and remained stable on the substrate. In addition to producing physical outputs in the form of coral reef transplantation structures, the activity also improved participants’ knowledge, awareness, and environmental attitudes toward the ecological functions of coral reefs and the importance of coastal conservation. The citizen-based approach proved effective in integrating conservation knowledge with practical action and has strong potential to serve as a sustainable community service model for coastal ecosystem management.
Optimalisasi distribusi pusat pelayanan perkotaan Usuku Tomia menggunakan kernel density estimation Alwan Alwan; Edy Abdurrahman Syahrir; Sekar Alim Padar; Rahma Hiromi; Tri Sakti Pratiwy S; Siti Astija; Arizal Untung Juang; Asjul Muhammad Umar
GEOGRAPHIA: Jurnal Penelitian dan Pendidikan Geografi Vol. 6 No. 2 (2025): December backup record version
Publisher : Jurusan Pendidikan Geografi, Fakultas Ilmu Sosial dan Hukum, Universitas Negeri Manado

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Abstract

Small island cities face structural challenges in providing service centres due to spatial fragmentation and limited accessibility. This study aims to analyse the spatial structure and optimise the distribution of urban service centres in the Usuku Tomia Urban Area, Wakatobi Regency, using a weighted Kernel Density Estimation (KDE) approach. Data were obtained from field observations of 163 public service facilities spread across 12 villages/subdistricts in Tomia and East Tomia Subdistricts, covering 11 service categories. The analysis was conducted using a descriptive-analytical quantitative method based on a Geographic Information System (GIS) to estimate the spatial intensity of services and establish a hierarchy of service centres. The results of the study show significant spatial inequality and form four service centre hierarchies. The subdistricts of West Tongano and Waha were identified as primary service centres (Order I) with the highest density values (>4.5 units/km²), dominated by high-weight facilities such as education, trade and services, and settlements. Conceptually, these findings expand the application of place centre theory to the context of non-contiguous small island cities. Practically, this study confirms KDE as an evidence-based policy instrument to support more efficient and equitable service centre planning in island regions.
Co-Authors Alim Setiawan Alwan Alwan Arizal Untung Juang Arwin Arwin Asjul Muhammad Umar Budiyanti Rahma Hiromi Siti Astija Syahrir, Edy Abdurrahman Tri Sakti Pratiwy S