Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia

Knowledge of throughfall at abandoned skid trails in tropical forests is extremely scarce. Thus, throughfall was measured using 120 storage rain gauges set on a skid trail left abandoned 41 years after forest harvesting in the Bukit Tarek Experimental Watershed (BTEW) in Peninsular Malaysia. All tre...

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Main Authors: Noguchi, S., Negishi, J., Yusop, Z., Kosugi, Y., Shamsuddin, Siti Aisah, Tani, M.
Format: Article
Language:English
Published: Japan International Research Center for Agricultural Sciences 2018
Subjects:
Online Access:http://eprints.utm.my/86373/1/ZulkifliYusop2018_ThroughfallatanAbandonedSkidTrail.pdf
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author Noguchi, S.
Negishi, J.
Yusop, Z.
Kosugi, Y.
Shamsuddin, Siti Aisah
Tani, M.
author_facet Noguchi, S.
Negishi, J.
Yusop, Z.
Kosugi, Y.
Shamsuddin, Siti Aisah
Tani, M.
author_sort Noguchi, S.
collection ePrints
description Knowledge of throughfall at abandoned skid trails in tropical forests is extremely scarce. Thus, throughfall was measured using 120 storage rain gauges set on a skid trail left abandoned 41 years after forest harvesting in the Bukit Tarek Experimental Watershed (BTEW) in Peninsular Malaysia. All trees of ≥ 1 m height in the plot were identified to the species level, and their diameter at breast height (DBH) and height were measured. Vegetation along the skid trail comprises trees with smaller DBH (0.2-31.0 cm, with a mean of 2.0 cm) and shorter height (1.0-20.0 m, with a mean of 2.8 m) than those in the regenerated secondary forests of BTEW. The diversity (i.e. 43 families, 131 species) at the skid trail was similar to that in an old tropical forest at BTEW. The ratio of throughfall to gross rainfall (Th/Rg) for 84 rain events ranged from 27.4% to 204.7% with a mean and standard deviation of 98.1% and 33.2%, respectively. We found that a considerable amount of rainwater dropped under bertam (i.e. Eugeissona tristis) and rattan (i.e. Daemonorops callicarpa, Calamus insignis) vegetation. The Th/Rg ratio weakly correlated with canopy openness. The mean Th/Rg ratio is the largest mean ratio ever reported for forests in Malaysia.
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spelling utm.eprints-863732020-08-31T14:00:23Z http://eprints.utm.my/86373/ Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia Noguchi, S. Negishi, J. Yusop, Z. Kosugi, Y. Shamsuddin, Siti Aisah Tani, M. TA Engineering (General). Civil engineering (General) Knowledge of throughfall at abandoned skid trails in tropical forests is extremely scarce. Thus, throughfall was measured using 120 storage rain gauges set on a skid trail left abandoned 41 years after forest harvesting in the Bukit Tarek Experimental Watershed (BTEW) in Peninsular Malaysia. All trees of ≥ 1 m height in the plot were identified to the species level, and their diameter at breast height (DBH) and height were measured. Vegetation along the skid trail comprises trees with smaller DBH (0.2-31.0 cm, with a mean of 2.0 cm) and shorter height (1.0-20.0 m, with a mean of 2.8 m) than those in the regenerated secondary forests of BTEW. The diversity (i.e. 43 families, 131 species) at the skid trail was similar to that in an old tropical forest at BTEW. The ratio of throughfall to gross rainfall (Th/Rg) for 84 rain events ranged from 27.4% to 204.7% with a mean and standard deviation of 98.1% and 33.2%, respectively. We found that a considerable amount of rainwater dropped under bertam (i.e. Eugeissona tristis) and rattan (i.e. Daemonorops callicarpa, Calamus insignis) vegetation. The Th/Rg ratio weakly correlated with canopy openness. The mean Th/Rg ratio is the largest mean ratio ever reported for forests in Malaysia. Japan International Research Center for Agricultural Sciences 2018 Article PeerReviewed application/pdf en http://eprints.utm.my/86373/1/ZulkifliYusop2018_ThroughfallatanAbandonedSkidTrail.pdf Noguchi, S. and Negishi, J. and Yusop, Z. and Kosugi, Y. and Shamsuddin, Siti Aisah and Tani, M. (2018) Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia. Japan Agricultural Research Quarterly, 52 (1). pp. 63-75. ISSN 0021-3551 http://dx.doi.org/10.6090/jarq.52.63
spellingShingle TA Engineering (General). Civil engineering (General)
Noguchi, S.
Negishi, J.
Yusop, Z.
Kosugi, Y.
Shamsuddin, Siti Aisah
Tani, M.
Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia
title Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia
title_full Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia
title_fullStr Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia
title_full_unstemmed Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia
title_short Throughfall at an abandoned skid trail in a tropical rain forest in Peninsular Malaysia
title_sort throughfall at an abandoned skid trail in a tropical rain forest in peninsular malaysia
topic TA Engineering (General). Civil engineering (General)
url http://eprints.utm.my/86373/1/ZulkifliYusop2018_ThroughfallatanAbandonedSkidTrail.pdf
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