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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Prosiding Seminar Biologi BIOTROPIA - The Southeast Asian Journal of Tropical Biology Proceeding International Conference on Global Resource Conservation AGRIVITA, Journal of Agricultural Science Buletin Kebun Raya BERITA BIOLOGI Proceeding Biology Education Conference
Trimanto Trimanto
Purwodadi Botanic Garden
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Flora Diversity, Composition and Ecology in Besiq Bermai Tropical Forest of Damai District, East Kalimantan Sofiah, Siti; Metusala, Destario; Trimanto, Trimanto; Nurfadilah, Siti
BIOTROPIA Vol. 25 No. 2 (2018): BIOTROPIA Vol. 25 No. 2 August 2018
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2018.25.2.724

Abstract

Besiq Bermai Forest is part of Kalimantan forests known for vast plant diversity. The present study aimed to investigate flora diversity, composition, and ecology in Besiq Bermai Forest to support the management of biodiversity and forest conservation. Thirteen plots were established with different sizes of plots (100 m x 20 m plots for trees; 40 m x 5 m plots for saplings; and 5 m x 5 m plots for understory). Data recorded included plant species name and individual number of each plant species. Data analysed were Shannon-Wiener diversity index, Relative Density, Relative Frequency, Relative Dominance and Important Value Index. The principal component analysis (PCA) was performed to determine relationship between edaphic components and flora occurrence. The results showed that there were 93 species of trees (belonging to 48 genera and 22 families), 112 species of saplings (belonging to 62 genera and 43 families), and 48 species of understory (belonging to 28 genera and 20 families). Shannon-Wiener diversity index (H’) were 6.05, 6.25 and 3.26 for tree, saplings and understory, respectively. The most common family for tree and saplings in the forest ecosystem in this area was Dipterocarpaceae (Shorea spp). Species of tree with the highest importance value index were Dillenia excelsa, Syzygium sp. and Shorea parvifolia. The highest importance value index for species of saplings were Macaranga triloba and Shorea parvifolia; and for species of understory were Phrynium jagorianum. Ecological (edaphic) factors affecting the occurence and establishment of flora in Bermai forest were total N and C/N ratio. The present study has implication for the management of biodiversity and forest conservation.
Co-Authors Dwiyanti, Dini Lia Hapsari Metusala, Destario Serafinah Indriyani Siahaan, Febrina Artauli Siti Nurfadilah Siti Sofiah