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Journal : IJOEP : International Journal of Ecophysiology

Species Inventory of Araceae In West Block of Batang Toru Forest, North Tapanuli Regency, North Sumatra Nursahara Pasaribu
International Journal of Ecophysiology Vol. 3 No. 1 (2021): International Journal of Ecophysiology
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/ijoep.v3i1.10028

Abstract

Araceae is a family plant that generally inhabits the tropical region with relatively high humidity such as The Batang Toru Forest Area. Environmental conditions such as humid or wet, watery, shady and high rainfall support the growth of Araceae species. Araceae have an unique spadix inflorescence characteristic that protected by spatha. A study on Araceae in Batang Toru Forest Area has never been conducted, leaving the unknown status of the species diversity and distribuion. The aims of this study was to invent Araceae in The Batang Toru Forest West Block area. The study was carried out from July to September 2018. The exploration method were used to invent the Araceae along the existing track path. There were 34 species of Araceae belonging to 8 genera found in the study side. All of species, 25 of them were lived as terrestrial and 9 of them were as epiphytes. The genera with the most species are Homalomena (12 species) and the least are Pothos (1 species). Araceae can lived on the soil, stones, trees, riparian and pond. Araceae can be found at various altitude with high air humidity (73-99 %) and warm temperature (17-27 °C). Araceae also like acid soil (4-7), warm (19-27 °C) with various humidity (1.5-8).
Inventarization of Zingiberaceae in The West Block Batang Toru Forest of North Tapanuli North Sumatra Nursahara Pasaribu
International Journal of Ecophysiology Vol. 3 No. 2 (2021): International Journal of Ecophysiology
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/ijoep.v3i2.10097

Abstract

Zingiberaceae is one of the dominating plant family in West Block, Batang Toru forest region. According to preliminary survey, the forest is inhabited by many species of Zingiberaceae while information on its species richness is still limited. The aim of the study was to collect the species of Zingiberaceae in West Block, Batang Toru forest region, conducted from July to September 2018. Inventarization was conducted using exploration method, by exploring along designated tracking ways. The study found 18 species of Zingiberaceae belonging to 10 genera was obtained, two of them were Alpinia hansenii and Boesenbergia belalongensis were new record in Sumatra. From all species that was found, two species were known to live as epiphytes and the other 16 were terresterials. Zingiberaceae occur in varying habitats, starting from forest edge, open area with optimum sunlight and inside forest floor. The most species found belong to Globba and Amomum.Batang Toru Forest