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All Journal Biodiversitas Journal of Biological Diversity Nusantara Bioscience
INOCENCIO E. BUOT JR
Faculty of Management and Development Studies, University of the Philippines Open University. Los Baños, Laguna 4030, Philippines
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Other

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Woody plant composition along Ulot River, Samar Island Natural Park, Philippines: Community uses and conservation concerns ANNE FRANCES V. BUHAY; MARIA CELESTE N. BANATICLA-HILARIO; INOCENCIO E. BUOT JR; JONES T. NAPALDET; LAILANI MASUNGSONG; MARNE ORIGENES; NOBA HILVANO; EDELYN ECHAPARE; DIANE SHANE BALINDO
Biodiversitas Journal of Biological Diversity Vol. 26 No. 7 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260701

Abstract

Abstract. Buhay AFV, Banaticla-Hilario MCN, Buot Jr IE, Napaldet JT, Masungsong L, Origenes M, Hilvano N, Echapare E, Balindo DS. 2025. Woody plant composition along Ulot River, Samar Island Natural Park, Philippines: Community uses and conservation concerns. Biodiversitas 26: 3081-3103. A comprehensive woody plants inventory is crucial for local governments and agencies to determine useful plant species and develop effective conservation policies. This study enumerates woody plant species in the Ulot riparian forest of Samar Island Natural Park (SINP), Philippines. A total of 574 individual plants, comprising 153 species from 46 families, were documented. There are 112 species classified as trees, six as shrubs, 20 that can be shrubs or small trees, one vine species, 10 palm species, and one grass species. The recorded 43 Philippine endemics and 39 threatened species emphasize the unique riparian flora of Ulot River. Economic uses and seed storage behavior were also assessed through literature and database review. Local communities utilized plant species in the Ulot riparian zone for economic purposes like food (21 species), medicine (61 species), fuelwood (21 species), timber (64 species), landscaping (8 species), dyes/tannins (8 species), and rope-making (4 species), as well as for cultural uses, including ornamentals (15 species), landscaping (8 species), and mastication (2 species). Several species, such as Aquilaria cumingiana, dipterocarps and Syzygium species, are noted to be endemic and have economically important uses. Based on these findings, a conservation framework is proposed that balances sustainable resource use and conservation measures in Samar Island riparian zones. It integrates environmental policies, awareness, and ecotourism while supporting in situ and ex situ conservation, including seed banking and habitat restoration. These strategies are critical in ensuring ecological stability and in local environmental policy-making.
Diversity of urban street tree communities in Semarang District, Indonesia ARDHIAN ABDUL MADJID; ARDITA AYU WULANDARI; ASFI DZIHNI; MARIO PINTOR DAVID SIMANJUNTAK; SAFIRA CHAIRUNISA; ARU DEWANGGA; WIDHI HIMAWAN; INOCENCIO E. BUOT JR; AHMAD DWI SETYAWAN
Nusantara Bioscience Vol. 17 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n170215

Abstract

Abstract. Madjid AA, Wulandari AA, Dzihni A, Simanjuntak MPD, Chairunisa S, Dewangga A, Himawan W, Buot Jr IE, Setyawan AD. 2025. Diversity of urban street tree communities in Semarang District, Indonesia. Nusantara Bioscience 17: 337-353. Roadside vegetation plays an important role in maintaining ecological functions, microclimate regulation, and environmental quality in rapidly urbanizing tropical landscapes. This study examined the diversity, composition, and functional structure of urban street trees across five major 10-km roadside corridors in Semarang District, Central Java, Indonesia. Field surveys conducted in September 2024 recorded 2,091 individuals representing 53 species, 47 genera, and 26 families, and classified into functional categories based on ecological and management attributes. Species richness and abundance varied markedly among routes. The Bandungan-Kaloran corridor showed the highest richness and stability, while the Ungaran-Cangkiran corridor exhibited the strongest species dominance, and the Semarang-Bawen corridor had the lowest richness. Three species-Swietenia mahagoni, Polyalthia longifolia, and Mangifera indica-emerged as district-wide dominants. Functional composition was heavily skewed toward Ornamental Plant (OP) and Timber Plants (TP), with Frugivory-supporting species (Fr) providing secondary ecological roles. Diversity indices (Shannon, Simpson, Margalef, and Evenness) revealed substantial spatial heterogeneity: peri-urban routes showed balanced community structures, whereas highly built-up corridors exhibited low diversity and high dominance. These patterns highlight the influence of urbanization intensity, planting space limitations, and disturbance pressure on roadside vegetation structure. These findings highlight the need for more diversified and functionally balanced street tree planting strategies to enhance the sustainability and resilience of urban green infrastructure in Semarang District and other rapidly developing tropical cities.
Co-Authors AHMAD DWI SETYAWAN ANNE FRANCES V. BUHAY ARDHIAN ABDUL MADJID ARDITA AYU WULANDARI ARU DEWANGGA ASFI DZIHNI DIANE SHANE BALINDO EDELYN ECHAPARE JONES T. NAPALDET LAILANI MASUNGSONG MARIA CELESTE N. BANATICLA-HILARIO MARIO PINTOR DAVID SIMANJUNTAK MARNE ORIGENES NOBA HILVANO SAFIRA CHAIRUNISA WIDHI HIMAWAN