Forest Structure and Carbon Storage of trees in the Huai Sataeng Watershed Management Unit, Thung Chang District, Nan Province

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Kanttanut Kawinpolasa
Thanakorn Lattirasuvan
Teeke Yatapakdee
Isaree Howpinjai

Abstract

This study aimed to investigate the forest structure and carbon storage of trees in the Huai Sataeng Watershed Management Unit, Thung Chang district, Nan province. The forest area in the unit is located at elevation ranging from 500 - 900 m above sea level. Sample plots of size 40 m x 40 m were placed according to the specific height above the mean sea levels of 500, 600, 700, 800 and 900 m, respectively. In each plot, trees, saplings and seedling data were collected to assess the relative density, relative frequency, relative dominance, and importance value index (IVI). The biomass also was calculated using allometric equations and the carbon stocks were estimated. The unit had a total of 89 species in 69 genera and 42 families of plants. The density of tree, saplings, and seedlings were 803, 40,500 and 764,000 (tree/ha), respectively. The top five indicator tree species in the Huai Sataeng Watershed Management Unit were Lithocarpus fenestratus, Aporosa villosa, Croton persimilis, Pterocarpus macrocarpus, and Schima wallichii. The total aboveground biomass of all species was 423.49 t/ha, with the tree, saplings, and bamboo biomass contributing 367.74, 1.83 and 53.92 t/ha, respectively. Additionally, the total carbon stock was estimated at 199.04 t/ha.

Article Details

How to Cite
Kawinpolasa, K., Lattirasuvan, T. ., Yatapakdee, T. ., & Howpinjai, I. . (2023). Forest Structure and Carbon Storage of trees in the Huai Sataeng Watershed Management Unit, Thung Chang District, Nan Province. Thai Journal of Forestry, 42(2), 199–213. Retrieved from https://li01.tci-thaijo.org/index.php/tjf/article/view/258507
Section
Original Articles

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