Abstract
In Central Kalimantan, cajuput (Melaleuca cajuputi subsp. cumingiana) mostly can be found in the riptide swamp area. The present research was intended to determine the distribution of biomass based on the part of tree, position to the ground surface, growing stage, and allometric equation models to estimate the prospective of biomass in 2 different locations (A and B). The A and B locations were characterized by type B riptide peat swamp forest (high tide effected with peat thickness of 51-100 cm) and type C riptide peat swamp forest (tide unaffected shallow soil of < 50 cm with peat thickness of 101-200 cm), respectively. The distribution of cajuput biomass based on the part of tree, position to the ground surface, and growing stage in both locations indicated a similar pattern. Stem contained the highest biomass followed successively by that of root, branch, leave, fruit, and flower. Biomass above the ground was also higher than that of below the ground. Furthermore, biomass content of poles was the highest, followed successively by that of sapling, tree, and seedling. Allometric equation models used to estimate biomass of the A location in the state of green, air dry, and oven dry were 0.335D2,35, 0.143D2,42, and 0.128D2,41, respectively. While those in the B location for green, air dry, and oven dry state were 0.279D2,48, 0.127D2,58, and 0.114D2,56, respectively. The potential of biomass in the A and B location were 144,100 and 127,212 ton ha-1, respectively.
Highlights
Cajuput (Melaleuca cajuputi subsp. cumingiana) tree, a species of Myrtaceae family, predominantly grows in riptide swamp area
Cajuput other names include swamp tea-tree, kayu putih (Indonesia), kayu putih or gelam (Malaysia), samet-kao (Thailand), and c(aa)ytr(af)m (Vietnam) (Oyen & Dung 1999) and in South East Asia, its common growing niche includes the area of Western Indonesia (Sumatera, West Java, South Kalimantan), Malaysia, Myanmar, Thailand and Vietnam (Rimbawan & Susanto 2004)
Similar pattern of biomass distribution was found in the type B (A location) and type C (B location) riptide peat swamp cajuput forest of Central Kalimantan
Summary
Cajuput (Melaleuca cajuputi subsp. cumingiana) tree, a species of Myrtaceae family, predominantly grows in riptide swamp area. In South-Kalimantan and Sumatera the wood has been mostly utilized for construction material. In Central Kalimantan, cajuput naturally grows in the disastrous and abandoned land of the former one million Peat Area Development Project (PAD) (Poniman et al 2006). The report of the Watershed Management Unit (WMU) Kahayan (2007) and the result of a previously conducted survey in the research areas indicated that cajuput was considered a prospective biomass in riptide swamp area of the former PAD project. These were the basis of the present study on the distribution of cajuput biomass. It was expected that the study would complete the information related to the development of cajuput biomass utilization, either from economy and ecology point of view
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Schedule a callMore From: Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management)
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