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All Journal HAYATI Journal of Biosciences MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management MEDIA KONSERVASI Forum Pasca Sarjana AL KAUNIYAH Cannarium (Jurnal Ilmu-ilmu Pertanian) Journal of Rural Indonesia Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Journal of Tropical Biodiversity and Biotechnology Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Silva Tropika Jurnal Risalah Kebijakan Pertanian dan Lingkungan Buletin Poltanesa Devotion: Journal of Research and Community Service Eduvest - Journal of Universal Studies Equivalent: Jurnal Ilmiah Sosial Teknik Policy Brief Pertanian, Kelautan, dan Biosains Tropika Jurnal Forest Island International Journal of Oil Palm Biodiversitas Journal of Biological Diversity
Arzyana Sunkar
Departemen Konservasi Sumberdaya Hutan Dan Ekowisata, Fakultas Kehutanan Dan Lingkungan, IPB University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Neuroscience Physics Social Sciences Other

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Determining key mammalian species and food web robustness across different land cover vegetation using network analysis IDUNG RISDIYANTO; YANTO SANTOSA; NYOTO SANTOSO; ARZYANA SUNKAR
Biodiversitas Journal of Biological Diversity Vol. 25 No. 7 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250738

Abstract

Abstract. Risdiyanto I, Santosa Y, Santoso N, Sunkar A. 2024. Determining key mammalian species and food web robustness across different land cover vegetation using network analysis. Biodiversitas 25: 3175-3190. The ecosystem's food web depicts the intricate energy flow and complex interactions among its diverse organisms. Organisms are not confined to single trophic levels or food chains; they establish multiple food connections with other organisms within the ecosystem. This study aims to identify critical mammalian species and assess the robustness of various ecosystem types, considering the diversity of species presence, through food web analysis. Computational graphic-based network analysis is employed to achieve this goal. Ecosystem types, categorized by their land cover, include plantation/agricultural forests, Bushes and shrubss, forests, and mixed landscapes. Network centrality metrics such as degree, closeness, betweenness, and eigenvector centrality are utilized to evaluate the presence of key species and ecosystem robustness. The relative contribution of mammalian species as connectors and regulators of energy flow in the food web ranges from 8-23% of all nodes involved. Key mammalian species are classified into ecosystem stability and sustainability keys. In Bushes and shrubss ecosystems, key species predominantly consist of mammalian predator species that are crucial for maintaining ecosystem stability through population control. Conversely, in other ecosystems, key species are primarily connectors, ensuring the sustained energy flow. The most resilient food webs are observed in Bushes and shrubss and mixed ecosystems due to their higher biomass growth rates and abundant presence of mammalian species. Utilizing food web analysis can significantly contribute to species and ecosystem conservation efforts by offering a comprehensive understanding of interspecies interactions, food web structures, and ecosystem dynamics.
ICCAs as a Bio-Geo-Cultural Foundation for Strengthening the Aspiring Sangkulirang–Mangkalihat Geopark Ronna Meila Leswana; Arzyana Sunkar; Sarwititi Sarwoprasodjo; Resti Meilani
Eduvest - Journal of Universal Studies Vol. 6 No. 8 (2026): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v6i8.53232

Abstract

The Sangkulirang–Mangkalihat karst landscape in East Kalimantan possesses exceptional bio-geocultural value and has historically been safeguarded by the Dayak Basap Indigenous community. While Indigenous and Community Conserved Areas (ICCAs) and Geoparks both aim to promote sustainable land management, the synergistic integration of Indigenous spiritual-ecological practices within formal Geopark frameworks remains underexplored, particularly in tropical karst environments. To address this research gap, this study examined the integration of ICCAs within the Geopark framework to promote participatory conservation and responsible tourism. Employing a qualitative methodology comprising ethnographic fieldwork, in-depth interviews with Indigenous stakeholders, and field observations, this research evaluated traditional conservation mechanisms. The findings revealed that the traditional governance systems and cultural rituals of the Dayak Basap community maintained ecological and spiritual balance, reflecting the core principles of ICCAs. The study identified three specific ICCAs—Mengkuris Cave, Mount Kepang, and Kiamplasan—that uniquely integrated heritage, ecological, and community values. The integration of these frameworks demonstrated a strong complementary relationship; ICCAs provided social, cultural, and spiritual foundations, while Geoparks offered institutional recognition, technical support, and international networks to support sustainable geotourism. These findings provided important policy implications, suggesting that regional and national governments should formally incorporate ICCA recognition into Geopark zoning regulations to strengthen the legal protection of Indigenous governance systems. Ultimately, this synergy established a replicable model for responsible tourism that balances biodiversity conservation, cultural resilience, and equitable development, providing a critical framework for advancing global socio-ecological sustainability efforts.
Institutional Structural Modelling of District Governments for Sustainable Management in the Danau Sentarum Landscape Indra Kumara; Rinekso Soekmadi; Lilik Prasetyo; Arzyana Sunkar
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 4 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.4.483

Abstract

The Danau Sentarum landscape in West Kalimantan, Indonesia, is a catchment area containing important peat wetland ecosystems that support biodiversity conservation, local livelihoods, and hydrological functions in the upper Kapuas River Basin. However, under Law No. 23/2014 on Regional Government, formal authority over watershed management in the forestry sector lies with the central and provincial governments, whereas regency governments retain responsibility for other sectoral functions that affect watershed conditions. This study examined the structural relationships among district government functions relevant to sustainablelandscape management in Danau Sentarum. Data were collected through a literature review, focus group discussions, and expert interviews with relevant institutional representatives and analyzed using Interpretive Structural Modelling. The analysis identified 30 functional elements and produced an inconsistency index of 9.56%. Environmental management, spatial planning, and land administration were positioned as the main driver functions with high driving power and low dependence. Agriculture, fisheries, tourism, trade, industry, labor, and energy and mineral resources formed linkage functions that connected ecological governance with naturebased production and local economic activities. Settlement, connectivity, investment, cooperatives and small and medium enterprises, social protection, community empowerment, and public order functions were positioned as more dependent outcomes. These results suggest that district-level watershed governance in the Danau Sentarum landscape may be improved byemphasizing environmental management, spatial planning, and land administration above the coordination of productive and welfare sectors. This study presents a function-based institutional map for district-level planning in Danau Sentarum, and requires additional validation to evaluate its use in other watershed environments.
Co-Authors Adisti Permatasari Putri Hartoyo Agung Nur Haq Haq Agus Hikmat Ainy Amelya Utami Ali Muhammad Muslih Allan Rosehan anggit haryoso Anindika Putri Lakspriyanti Aprillyasari, Wulan Mayang Ar Rasyid, Ulfa Hansri Arif Habibal Umam Audelia Thalita Ramadhanti Burhanuddin Masy’ud DEDE AULIA RAHMAN Dewi Kurniati Djuara P. Lubis Drucella Benala Dyahati Dudung Darusman Dwi Kusharyono Dwi Kusharyono Elis Nina Herliyana Endang Koestati Sri Harini Muntasib Erniwati Erniwati Ervizal A.M. Zuhud Ervizal AM. Zuhud Ervizal AMZU Eterna Firliansyah Eva Rachmawati Guntoro, Joko Haidir Hardjanto Hermawan, Rachmad Hidayati, Syafitri Hutagalung, Labana Idung Risdiyanto Indra Kumara Indra Kumara Indra Kumara Ismayati Afifah Istomo . Iswandi Anas JARWADI BUDI HERNOWO Jesus Pereira Babo, Maria Ligia de Kulsum, Fifit Kushendaryanti, Saharani Kuswandono . Lailan Syaufina Leti Sundawati Lilik B. Prasetyo Lilik B. Prasetyo LILIK BUDIPRASETYO Lilik Prasetyo Lola Adres Yanti Masyithoh, Galuh Merzyta Septiyani Meti Ekayani Mirza Dikari Kusrini Muthiah, Jadda Nur Hikmah Nur Hikmah Nurul Marufi Nyoto Santoso Pangaribuan, Ivana Joy Pauline Poppy Oktadiyani Poppy Oktadiyani RAHMATULLOH RAMADANI Resti Meilani Ria Sukma Dewi Riani, Windy Mardiqa Riani, Windy Mardiqa Rinekso Soekmadi Ronna Meila Leswana Rozza Tri Kwatrina Saefullah Salbiah Hanum Hasibuan Sambas Basuni Sari, Yovita Ratna Siti Asiyatun Siti Hasanah Siti Hasanah Siti Nurjannah Siti Nurjannah Siti Nurjannah Syafitri Hidayati SYAHLAN FALUTHI TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN Tiara, Alma Tri Rahayuningsih Tri Rahayuningsih Tutut Sunarminto Ulfa Hansri Ar Rasyid Ulfa Hansri Ar Rasyid Umam, Arif Habibal Wulandari Mulyani YANTO SANTOSA YANTO SANTOSA Yuriko Asahiro Yuriko Asahiro Zuhud, Ervizal