A survey of soil disturbance from tractor logging in a hill forest of Peninsular Malaysia

Kamaruzaman Jusoff, . (1991) A survey of soil disturbance from tractor logging in a hill forest of Peninsular Malaysia. In: Malaysian forestry and forest products research: proceedings of the conference. Forest Research Institute Malaysia, Kuala Lumpur, Malaysia, pp. 16-21. ISBN 967-9991-563

Soil surface (0-10 cm depth) conditions associated with timber harvesting was surveyed and its physical properties investigated after crawler tractor logging in Berkelah Forest Reserve Pahang, Malaysia. Two plots (50 x 50 m each) were established on two different slopes (below and above 30%) of a one-week-old logged over block for visual observations and randomised soil sampling. Results showed three disturbance classes on sites with a slope below 30 % : 44.5 % of the area was heavily disturbed (57.6% for slope above 30%) 33.3 % slightly disturbed (23.3 % for slope above 30%) and 22.2% undisturbed (19.0% for slope above 30%). The data indicate a positive correlation between percent slope and the degree of soil disturbance and an inverse relationship between the soil penetration index, moisture content and the degree of soil disturbance. The extent of soil disturbance and its physical properties determined in this study provide a measure for the needs of soil management and proper tree harvesting machine and system.

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Abstract

Soil surface (0-10 cm depth) conditions associated with timber harvesting was surveyed and its physical properties investigated after crawler tractor logging in Berkelah Forest Reserve Pahang, Malaysia. Two plots (50 x 50 m each) were established on two different slopes (below and above 30%) of a one-week-old logged over block for visual observations and randomised soil sampling. Results showed three disturbance classes on sites with a slope below 30 % : 44.5 % of the area was heavily disturbed (57.6% for slope above 30%) 33.3 % slightly disturbed (23.3 % for slope above 30%) and 22.2% undisturbed (19.0% for slope above 30%). The data indicate a positive correlation between percent slope and the degree of soil disturbance and an inverse relationship between the soil penetration index, moisture content and the degree of soil disturbance. The extent of soil disturbance and its physical properties determined in this study provide a measure for the needs of soil management and proper tree harvesting machine and system.

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Item Type:	Book Section
Additional Information:	Available at Perpustakaan Sultan Abdul Samad, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia. SD235 M3M239 Call Number
AGROVOC Term:	forest soils
AGROVOC Term:	tropical forests
AGROVOC Term:	soil properties
AGROVOC Term:	soil sampling
AGROVOC Term:	soil management
AGROVOC Term:	foresters
AGROVOC Term:	sustainable development
Geographical Term:	Malaysia
Depositing User:	Nor Hasnita Abdul Samat
Date Deposited:	10 Aug 2025 15:53
Last Modified:	10 Aug 2025 15:53
URI:	http://webagris.upm.edu.my/id/eprint/1026

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