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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.
Bawean Island: The Potential for Ecotourism and Local Knowledge on Plant Diversity Supporting Ecotourism Trimanto, Trimanto; Danarto, Setyawan Agung; Nurfadilah, Siti
Journal of Indonesian Tourism and Development Studies Vol. 4 No. 3 (2016)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitode.2016.004.03.02

Abstract

Bawean Island has attractive biodiversity and natures that are potential for development. The present study was aimed to investigate (i) the potential of Bawean Island's natural resources for ecotourism (ii) local knowledge of Bawean people on plant diversity and uses, and (iii) the potential of plants for commodities supporting ecotourism development. The potential of Bawean Island for ecotourism was examined based on data of attractive natural environments, while the local knowledge was obtained by interviewing Bawean people and observation of the daily practical use of plants. Various plants were analysed for their potential as commodities suppporting ecotourism. The results showed that Bawean Island has high potential resources for ecotourism. It is ranging from beaches, mountains, rivers, plant diversity, and endemic animals. The local knowledge showed that Bawean has plant diversity with various potential uses. There were 81 plant species traditionally used by Bawean people, including plants for foods (40 species), ornamental plants (15 species), timbers for housings and buildings (9 species), medicines (8 species), natural dyes (4 species), and other uses (5 species). Various plant species potential as the commodity supporting ecotourism development included Abelmoschus manihot (traditional food), Diospyros discolor (fresh local fruit), Nypa fruticans and Pandanus tectorius (local handicrafts), Phalaenopsis amabilis (ornamental plants or cutting flowers). The use of plants in Bawean Island needs to consider the sustainable use of plants and conservation approaches. Keywords: Bawean, conservation, ecotourism, local knowledge, plant diversity.