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All Journal Jurnal Hutan dan Masyarakat Unri Conference Series: Community Engagement Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal Ilmu-Ilmu Kehutanan Jurnal Riset Rumpun Ilmu Tanaman Jurnal (FORSINTA) Informatika, Sistem Informasi dan Kehutanan Majority Science Journal Jurnal Pengabdian Masyarakat Jurnal Riset dan Pengabdian Interdisipliner
Dinda Tri Agustina
Jurusan Kehutanan, Fakultas Pertanian, Universitas Riau, Pekanbaru, 28293
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Nursing Social Sciences Other

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Analisis Keanekaragaman Flora dan Fauna di Hutan Mangrove, Kelurahan Bagan Barat, Kabupaten Rokan Hilir Hanifah Ikhsani; Anesha Allasselcida; Dinda Tri Agustina; Erwanda Trio Bintan Sabri; Maryani Maryani
Jurnal Ilmu Ilmu Kehutanan Vol. 10 No. 1 (2026)
Publisher : Jurusan Kehutanan Fakultas Pertanian Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jiik.10.1.%p

Abstract

This study aims to analyze the diversity of flora and fauna in the mangrove forest of Bagan Barat Village, Rokan Hilir Regency. The research was conducted using a combination of transect and nested sampling methods to assess vegetation structure at different growth levels, including trees, poles, saplings, and seedlings, while fauna observations were carried out through direct and indirect approaches. The results showed that the mangrove ecosystem is dominated by three main species, namely Avicennia marina, Avicennia alba, and Acanthus ilicifolius. The Shannon-Wiener diversity index of flora at all growth levels ranged from moderate to relatively high, indicating a fairly stable ecosystem, although species composition remains limited and dominated by Avicennia marina. The Simpson dominance index at the tree level indicated moderate dominance, while the evenness index showed low distribution among species. A total of 15 fauna species were identified, consisting of reptiles, birds, mammals, arthropods, and fish. The fauna diversity index was categorized as moderate to high, with relatively high evenness and low dominance, reflecting a balanced community structure. Overall, the mangrove ecosystem in the study area has a moderate level of biodiversity and stability, but efforts to increase species diversity are needed to support sustainable ecosystem management.
Keanekaragaman Burung pada Berbagai Tipe Vegetasi di Resort Aikmel, Taman Nasional Gunung Rinjani, Nusa Tenggara Barat Anesha Allasselcida; Dinda Tri Agustina; Niskan Walid Masruri; Viny Volcherina Darlis; Lefdi Agung Nugraha; Hanifah Ikhsani
Jurnal Ilmu Ilmu Kehutanan Vol. 10 No. 1 (2026)
Publisher : Jurusan Kehutanan Fakultas Pertanian Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jiik.10.1.%p

Abstract

Birds are important components of ecosystems whose diversity is strongly influenced by habitat conditions, vegetation structure, and food availability. This study aimed to analyze bird diversity across different vegetation types in Aikmel Resort, Mount Rinjani National Park, including primary dryland forest, secondary dryland forest, savanna, and post-encroachment areas (PKTI). Bird observations were conducted using the point count method with a 50 m observation radius at 20 sampling points. Analyses included species encounters, diversity index, species richness, dominance, and species similarity among vegetation types. A total of 503 individuals representing 22 species and 16 families were recorded during the study. The PKTI area showed the highest number of individuals (250 individuals; 13 species), whereas the savanna had the lowest (42 individuals; 8 species). Primary dryland forest exhibited the highest diversity index (  = 2,14), likely due to its dense canopy cover and more complex vegetation structure. Secondary dryland forest had the highest species richness index (  = 2,43), while the savanna was dominated by Collocalia linchi. The highest species similarity index was observed between primary and secondary dryland forests (0,35). Differences in vegetation structure and habitat complexity influenced bird composition and diversity across vegetation types. These findings highlight the importance of habitat heterogeneity in supporting bird conservation within Mount Rinjani National Park.
Co-Authors Agusrinal Amelia Retno Eka Putri Anesha Allasselcida Asramid Yasin Asramid Yasin Citra Rahmatia Eka Putri, Amelia Retno Erwanda Trio Bintan Sabri Evi Sribudiani Ewi Irfani Fazriyas Fazriyas Gandhiko Mohta Gandri, La Hanifah Ikhsani Hendra Kurniawan Ika Lestari Ika Lestari Hutasuhut Ika Lestari, Ika Kurniawan, Riko Maria Ulfa Maryani Maryani Maryani Maryani Muhammad Mardhiansyah Niskan Walid Masruri Nugraha, Lefdi Agung Nurul Qomar Pebriandi, Pebriandi Putra, Agung Kartika Putri, Amelia Retno Eka Rahmatia, Citra Sabri, Erwanda Tri Bintan Thoriq DevisHoriansa Viny Volcherina Darlis