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All Journal EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA Astonjadro Journal La Lifesci Journal La Multiapp Jurnal Teknik Sipil Macca Ranah Research : Journal of Multidisciplinary Research and Development Celebes Journal of Community Services Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK)
Desi, Natsar
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Journal : Journal La Lifesci

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Effectiveness of Ecological Management to Support Reclamation on Tails Land at The Milepost 21 Reclamation and Biodiversity Research Center Based on Environmental Policy Yoom, Lilis Irjayanti; Chaerul, Muhammad; Desi, Natsar
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2624

Abstract

This study investigates the effectiveness of ecological management in supporting reclamation of tailings land at the Mile Post 21 Reclamation and Biodiversity Research Center, PT Freeport Indonesia. Using a qualitative descriptive approach, the research employs primary data obtained through interviews, documentation, and direct observation, complemented by secondary data from archives, reports, and company records. The analysis is guided by ISO 14001 environmental management principles, using a checklist method adapted from the Global Environmental Management Initiative (GEMI) to evaluate ecological, technical, socio-economic, and regulatory aspects of reclamation practices. Findings reveal that ecological management at Mile Post 21 has been highly effective, achieving more than 80% compliance with ISO 14001 indicators. Vegetation cover increased from less than 10% to over 75%, with more than 160 planted species complemented by natural succession involving over 500 species. Soil quality improved significantly, with organic carbon rising from <0.5% to 2.5%, pH levels increasing toward neutrality, and cation exchange capacity reaching medium–high levels. These changes facilitated the restoration of ecological functions and supported biodiversity recovery. Moreover, reclaimed land has been transformed into productive agricultural areas integrating crops, livestock, and aquaculture, providing socio-economic benefits for local communities and involving indigenous landowners in sustainable management. Despite technical challenges related to poor soil properties and managerial constraints such as long-term funding, the program demonstrates that ecological management, when implemented systematically under ISO 14001, can effectively restore degraded post-mining land into ecologically resilient and socially beneficial systems.
A GIS-Based Analysis of Coastal Abrasion Risk Potential Jamilah, Jamilah; Chaerul, Muhammad; Desi, Natsar; Erniati, Erniati; Harun, Muh. A. Yusuf; Dirman, Eris Nur
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2650

Abstract

Coastal abrasion poses a significant threat to Indonesia, an archipelagic nation with one of the world’s longest coastlines. The phenomenon is particularly severe in Napabalano District, Muna Regency, where dense settlements, economic activities, and declining mangrove ecosystems increase exposure to erosion hazards. This study aims to assess the risk of coastal abrasion in Napabalano District using a GIS-based approach aligned with the Indonesian National Disaster Management Authority (BNPB) framework. Primary data, including GPS coordinates, satellite imagery, and field surveys, were integrated with secondary data such as demographic statistics, oceanographic parameters, and historical records of abrasion events. Spatial analysis in ArcGIS was employed to evaluate vulnerability, capacity, hazard, and disaster risk indices. Results show that all villages in Napabalano District fall into the high-risk category, with Napabalano and Napalakura recording the highest risk values due to concentrated populations, limited mangrove protection, and inadequate disaster management capacity. Social and economic vulnerabilities, including high poverty ratios and dependence on coastal livelihoods, exacerbate exposure, while institutional capacity remains critically low, marked by weak early warning systems and limited community preparedness. Mitigation strategies proposed include mangrove rehabilitation, strict coastal zoning enforcement, community-based disaster preparedness programs, and the establishment of effective early warning systems. These findings highlight the urgent need for integrated, multi-stakeholder approaches to strengthen resilience against coastal abrasion. The study provides a strategic basis for local government and community planning in managing and reducing the impacts of coastal hazards in Napabalano District.
Co-Authors Abdul Karim Abu, Arman Anugrah, Anugrah Asrudin, Asrudin Dirman, Eris Nur Erniati Erniati Gusty, Sri Haeriska, Haeriska Harun, A. Muh. Yusuf Harun, Muh. A. Yusuf Idris, M. Naufal Az Zarqan Irmawan Irmawan Ismail Marzuki Jamilah Jamilah Muhammad Azis Muhammad Chaerul Musliani, Musliani POPPY INDRAYANI, POPPY Rachman, David Sumantri Rosnaini Daga Satriawan, Andi Muh. Dayri Sry Gusty, Sry Sunusi, Widia Anggraeni Wintari, Ni Kadek Yoom, Lilis Irjayanti