Impact of Interception on Infiltration and Soil Moisture in Dipterocarp Forest and Oil Palm Plantations in Tasik Chini, Pahang

Ata, Frankie Marcus and Toriman, Mohd Ekhwan and Kamarudin, Mohd Khairul Amri (2015) Impact of Interception on Infiltration and Soil Moisture in Dipterocarp Forest and Oil Palm Plantations in Tasik Chini, Pahang. Malaysian Journal of Analytical Sciences, 19 (5). 1084 -1092. ISSN 1394-2506

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Abstract

In local water balance, the dipterocarp forest and oil palm plantation are two locations which demonstrated different processes in terms of interception, soil moisture and infiltration. To evaluate the process, this study was carried out at Tasik Chini watershed, Pahang, Malaysia for over ten months commencing April 2011 until January 2012. The main idea of this study is to study the characteristics of interception at two variants canopy and effect of interception on the infiltration process. The methodology used involves primary data including stremflow, through fall and soil moisture. 104 samples for stemflow and four samples for palm oil trees, 9 sets of through fall and 7 soil moisture stations were measured at dipterocarp forest and oil palm plantation,respectively the regression analysis was used to analyses the relationship between rate of infiltration and interception with soil moisture and rainfall. The result indicate that total interceptions were registered at 29.7 percent in Plot A, 29.1 percent in Plot B and 41.2 in oil palm plantation. The average for stem flow in the forest area is 8.65 mm per tree compared to 12.7 mm for every oil palm tree. Meanwhile, the average for through fall in oil palm plantation was higher compared to the forest area. This is about 0.49 mm and 0.42 mm respectively. The results of the interception at the Dipterocarp forest and palm areas were affected by physiographic characteristic such as the diameter size and branches of tree. The correlation coefficient between through fall and soil moisture in the oil palm plantation is r²=0.49, in comparison to through fall and soil moisture in forest area is r²=0.42. Positive correlation means that the amount of through fall increase than soil moisture will increase also.

Item Type: Article
Keywords: stem flow, through fall, soil moisture, infiltration, Tasik Chini dipterocarp forest
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
G Geography. Anthropology. Recreation > GB Physical geography
G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > Q Science (General)
Faculty / Institute: East Coast Environmental Research Institute (ESERI)
Depositing User: Dr. Mohd Khairul Amri Kamarudin
Date Deposited: 15 Nov 2015 07:06
Last Modified: 15 Nov 2015 07:06
URI: http://erep.unisza.edu.my/id/eprint/4001

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