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All Journal Jurnal Biologi Udayana Proceeding International Conference on Global Resource Conservation
Laily Mukaromah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Health Professions Other

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Diversity patterns and compositional variation of understorey plants in tropical forest of Mt. Pohen, Batukahu Nature Reserve, Bali Mukaromah, Laily
Proceeding International Conference on Global Resource Conservation Vol 6, No 1: Proceeding of 6th ICGRC 2015
Publisher : Proceeding International Conference on Global Resource Conservation

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Abstract

An understanding of the patterns in biodiversity is fundamentally important for efficient management of nature reserves. The objectives of this study were to: 1) investigate the diversity of understory plants in the tropical forest of Mt Pohen, Batukahu Nature Reserve, Bali, 2) explore patterns of understory plants in relation to underlying environmental factors. Field data collection was conducted to sample vegetation characteristics and the environmental parameters in the 78 quadrats of the study sites.Diversity indices (richness, diversity, and evenness) were measured and compared for each site. Environmental variables were plotted on the diagram produced by the NMDS to evaluate their relationship with the floristic patterns encountered. A total of 122 plant species were enumerated from 78 quadrats in the study area. Results show that Asteraceae and Poaceae were the predominant families in this study, followed by other most important families, i.e. Myrtaceae, Fabaceae, Moraceae, and Malvaceae. NMDS demonstrated the environmental variables most highly correlated with plant species distribution among the sites were altitude, humidity, light intensity, slope aspect and air temperature. Results also highlighted that fire and human disturbance likely play a significant role affecting biodiversity and vegetation characteristics in this forest ecosystem.Keywords: Batukahu Nature Reserve; environmental correlates; tropical forest; understorey
AUTEKOLOGI PURNAJIWA (EUCHRESTA HORSFIELDII (LESCH.) BENN. (FABACEAE) DI SEBAGIAN KAWASAN HUTAN BUKIT TAPAK CAGAR ALAM BATUKAHU BALI Sutomo -; Laily Mukaromah
Jurnal Biologi Udayana Vol 14 No 1 (2010): Jurnal Biologi
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

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Purnajiwa, which lives in highland jungles in Bali, is a famous medicinal plant in Bali and its presence in the wild is now under threat due to over exploitation and the destruction of its habitat. Batukahu nature reserves are one of its remaining habitats. This preliminary study aimed to describe purnajiwa’s habitat in Batukahu nature reserves. Purnajiwa was found in shaded areas with light intensity range from 55-65%. It grows under the shading of Laportea sp., Ficus sp., Syzygium zollingerianum, and Sauraria sp. Purnajiwa grows on soil with 6,7-6,8 range of pH with litter thickness of 3-7 cm. Purnajiwa also associated with the surrounding understorey vegetation such as Diplazium proliferum (IVI = 54,6) and Oplismenus compositus L. (IVI = 40). Result from this study gave usefull information for the purpose of its acclimatization and propagation in ex-situ conservation for its sustainable resources.
Co-Authors Sutomo -