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The Impact of Climate Change Community Empowerment in Water Resource Monitoring and the Conservation of the Baumata Karst Area as an Effort to Sustain Spring Water Resources in Kupang Regency Noni Banunaek; Herry Z Kotta; Woro Sundari; Robertho Kadji; Irene Augusta Boymau; Matilda Metboki; Aisyah Ahmad; Andreas Sinuhaji; Ika Krisnasiwi; Yusuf Rumbino; Rizhard Anselmus Ndolu
Jurnal Pengabdian Kepada Masyarakat Vol 6 No 1 (2026): Juni 2026
Publisher : Universitas Nusa Cendana

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Baumata Village, located in Taebenu District, Kupang Regency, East Nusa Tenggara Province, is a karst area that plays a crucial ecological role as a groundwater recharge zone and a major spring water source utilized by local communities and the regional water utility company (PDAM). The Baumata forest area contributes significantly to maintaining hydrological balance; however, increasing human activities may threaten environmental quality and water sustainability. Therefore, strengthening community capacity in forest conservation and participatory water resource monitoring is essential. This community service program was initiated by the Mining Engineering Study Program to improve public awareness regarding the ecological functions of karst ecosystems and forest conservation while providing technical training on spring discharge measurement and rainfall monitoring using ombrometers. The implementation methods included community outreach, technical training, practical demonstrations, installation of rainfall gauges, and mentoring activities. The results indicated a significant improvement in community understanding of the relationship between forest cover, rainfall patterns, and water availability. Community members were able to independently operate discharge measurement instruments and rainfall gauges and understood the importance of regular hydrological data recording. The program successfully fostered collective awareness and active participation in conserving the Baumata forest area as a critical component of the karst hydrological system. This initiative may serve as a sustainable community-based water resource management model for karst regions in Kupang Regency. Keywords: karst area, spring water, forest conservation, water discharge, community empowerment

DEVELOPMENT OF THE BONEN CAVE TOURISM AUGMENTED REALITY APPLICATION BASED ON WATERFALL ANALYSIS Robertho Kadji; Irene Augusta Boymau; Lidia Paskalia Nipu; Ika FitriKrisnasiwi; Henda V. R. Taopan; Frengky S. Banunaek; Rizhard A. Ndolu
International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Vol. 5 No. 3 (2025): November 2025 - February 2026
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.19480411

This study presents the application of an Augmented Reality (AR)–based digital interpretation system to enhance speleological geotourism experiences at Bonen Cave, Baumata Village, Kupang Regency, Indonesia. The research addresses limitations in conventional geotourism interpretation, including low interactivity, limited informational accessibility, and potential environmental disturbance in karst cave environments. The developed AR application integrates three-dimensional cave models, geological explanations, and historical narratives related to the use of the cave during the Japanese occupation period. Implementation was conducted through a community-based approach involving local tour guides and tourism stakeholders. The application was officially launched during the Fatusuba Festival on 17 October 2025 and publicly demonstrated to visitors. Field testing confirmed stable performance and compatibility across multiple Android devices, including Redmi Note 13 Pro, Redmi Note 9 Pro, and Samsung Galaxy A56. Results indicate that the AR application improves visitor engagement, supports knowledge transfer, and strengthens digital promotion of speleological geotourism while reducing the need for direct physical interaction with sensitive cave features. This study demonstrates that AR technology can serve as an effective and sustainable tool for enhancing geotourism experiences and empowering local communities in karst regions.

Developing Sustainable Tourism through Competency-Based Training for Geotourism Guides in Sadi Village: Pengembangan Pariwisata Berkelanjutan Melalui Pelatihan Pemandu Geowisata Berbasis Kompetensi di Desa Sadi Matilda Metboki; Lidia Paskalia Nipu; Herry Zadrak Kotta; Robertho Kadji; Irene Augusta Boymau; Andreas Sinuhaji
Room of Civil Society Development Vol. 5 No. 1 (2026): Room of Civil Society Development
Publisher : Lembaga Riset dan Inovasi Masyarakat Madani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59110/rcsd.852

Sadi Village, located in East Tasifeto District, Belu Regency, East Nusa Tenggara Province, possesses significant geological and paleontological value, particularly related to the discovery of ancient elephant (Stegodon) fossils. This scientific potential provides strong prospects for development as an educational geotourism destination. However, its utilization remains limited due to the insufficient number and competencies of local geotourism guides. This community service program aims to strengthen the capacity of local guides through competency-based training to support sustainable tourism development in Sadi Village. The program was implemented through a needs assessment, preparation of competency-based training materials, offline training sessions integrating theoretical instruction and field practice, and evaluation through guiding simulations. The training covered basic geology and paleontology, geotourism interpretation techniques, guiding ethics, and communication skills. The results indicate improvements in participants’ knowledge, interpretative skills, communication abilities, and professional confidence in delivering geological information. Furthermore, the program fostered active involvement of local youth and community members in managing and promoting the geotourism site. The activity demonstrates that competency-based training can enhance local human resource quality and contribute to strengthening the geotourism identity of Sadi Village while supporting sustainable tourism development.

THE ECOLOGICAL IMPACT OF VOLCANIC ASH DEPOSITION FROM MOUNT SEMERU’S ERUPTION ON SOIL MICROBIAL COMMUNITIES AND PLANT SUCCESSION Robertho Kadji; Emilía Elíasdóttir; Isabella Clark
Research of Scientia Naturalis Vol. 2 No. 6 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v2i6.2542

Volcanic eruptions are powerful geological events that drastically alter terrestrial ecosystems, yet the specific ecological recovery mechanisms, particularly the interplay between soil microbiology and vegetation, remain underexplored. The recent eruption of Mount Semeru in Indonesia deposited significant layers of volcanic ash, creating a unique natural laboratory to study primary succession. This research aimed to analyze the ecological impact of this ash deposition on the composition of soil microbial communities and the subsequent patterns of plant succession in the affected areas. The study employed a field survey method across a gradient of ash deposition thickness. Soil samples were collected for DNA metabarcoding to analyze bacterial and fungal community structures, while vegetation quadrats were established to monitor plant species recolonization and growth over a 12-month period. The results revealed a significant initial reduction in microbial diversity in heavily impacted soils, with a subsequent shift towards communities dominated by stress-tolerant, chemoautotrophic bacteria. This altered microbial landscape was strongly correlated with the emergence of pioneer plant species adapted to nutrient-poor volcanic substrates. The study concludes that volcanic ash deposition fundamentally resets soil microbial ecosystems, and this shift is a critical determining factor that directly governs the trajectory and composition of early-stage plant succession.

Developing Sustainable Tourism through Competency-Based Training for Geotourism Guides in Sadi Village: Pengembangan Pariwisata Berkelanjutan Melalui Pelatihan Pemandu Geowisata Berbasis Kompetensi di Desa Sadi Matilda Metboki; Lidia Paskalia Nipu; Herry Zadrak Kotta; Robertho Kadji; Irene Augusta Boymau; Andreas Sinuhaji
Room of Civil Society Development Vol. 5 No. 1 (2026): Room of Civil Society Development
Publisher : Lembaga Riset dan Inovasi Masyarakat Madani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59110/rcsd.852

Sadi Village, located in East Tasifeto District, Belu Regency, East Nusa Tenggara Province, possesses significant geological and paleontological value, particularly related to the discovery of ancient elephant (Stegodon) fossils. This scientific potential provides strong prospects for development as an educational geotourism destination. However, its utilization remains limited due to the insufficient number and competencies of local geotourism guides. This community service program aims to strengthen the capacity of local guides through competency-based training to support sustainable tourism development in Sadi Village. The program was implemented through a needs assessment, preparation of competency-based training materials, offline training sessions integrating theoretical instruction and field practice, and evaluation through guiding simulations. The training covered basic geology and paleontology, geotourism interpretation techniques, guiding ethics, and communication skills. The results indicate improvements in participants’ knowledge, interpretative skills, communication abilities, and professional confidence in delivering geological information. Furthermore, the program fostered active involvement of local youth and community members in managing and promoting the geotourism site. The activity demonstrates that competency-based training can enhance local human resource quality and contribute to strengthening the geotourism identity of Sadi Village while supporting sustainable tourism development.

Environmental Spatial Analysis of Water-Provisioning Ecosystem Carrying Capacity and Food-Crop Land Allocation in Dryland Agriculture In South Central Timor Regency, Indonesia Robertho kadji; Ika Fitri Krisnasiwi; Bayu Mahendra
International Journal of Environmental, Sustainability and Social Science Vol. 7 No. 5 (2026): International Journal of Environmental, Sustainability, and Social Science (Sep
Publisher : PT Keberlanjutan Strategis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38142/ijesss.v7i5.2077

Abstract:Water provisioning is a structural determinant of dryland-farming productivity in semi-arid Eastern Indonesia, yet the spatial coherence between water-provisioning ecosystem carrying capacity and the food-crop allocation prescribed by the regency Spatial Plan remains insufficiently quantified. This study evaluates the Water-Provisioning Ecosystem Service Index (IJL-PA) for South Central Timor (Timor Tengah Selatan, TTS) Regency under the three-proxy framework prescribed by Government Regulation No. 26 of 2025, focusing on the food-crop zone (P-1) overlaid on the dryland agriculture (PLK) land cover. The 393,233 ha regency was disaggregated through a GIS-based weighted overlay of landform (32 percent), natural vegetation (8 percent), and land cover (60 percent) layers, and subsequently intersected with the regency Spatial Plan and the PLK extent. The results indicate that 58.86 percent of TTS falls within the Low IJL-PA class and only 6.98 percent reaches the High or Very High class. Although the aggregate Water Carrying Capacity ratio (DDA) reaches 1.10, 20 of 32 sub-districts record a DDA below one, with Kokbaun reaching 0.13. Of the 41,315 ha food-crop allocation, 58.3 percent of the P-1 by PLK intersection (33,412 ha) is placed on Low to Very-Low IJL-PA, indicating a structural spatial mismatch that warrants explicit revision of the Spatial Plan and prioritization of soil-water conservation packages in the forthcoming Regional Environmental Protection and Management Plan.

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