The influence of tree height and diameter at breast height on the stemflow generation: a preliminary study

Fera @ Nony Cleophas and L.L. Ee and Nur Zaida Zahari and Maznah Mahali and Baba Musta and Kawi Bidin (2020) The influence of tree height and diameter at breast height on the stemflow generation: a preliminary study.

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Abstract

The rainfall partitioning of gross precipitation into stemflow of canopy interception was studied and measured in a tropical forest situated in Danum Valley Field Center, Lahad Datu. Specifically, this study demonstrates the quantification of the factors affecting the stemflow production, the influence of smaller size trees on stemflow in terms of diameter at breast height (DBH) and tree height, and the significance of gross precipitation on stemflow production. A relatively low value of 0.27% (0.32 mm) as stemflow was collected as to propose shorter research duration would cause higher uncertainties. Both components of the interception were highly dependent on the amount of precipitation, thus, causing rainfall interception to also be dependent on it. Nonetheless, smaller DBH classes (<20 mm) were found to be equally influential in the production of stemflow volume where its R2 shows a high correlation which was within the range of 0.69 – 0.80. Even so, a larger study area which encloses a wide range of tree height and DBH, and a longer research period is required to reduce uncertainties and enhance the findings.

Item Type: Proceedings
Uncontrolled Keywords: Rainfall Partitioning, Stemflow, Tree Height, Diameter At Breast Height
Subjects: Q Science > Q Science (General)
Q Science > QK Botany
Divisions: FACULTY > Faculty of Science and Natural Resources
Depositing User: SITI AZIZAH BINTI IDRIS -
Date Deposited: 15 Jun 2021 10:56
Last Modified: 17 Jun 2021 10:59
URI: http://eprints.ums.edu.my/id/eprint/21608

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