A look at species composition in second rotation forests

Samsudin I., . and Samsudin M., . and Khairul Najwan A.J., . and Abd Rahman K., . and Wan Mohd Shukri W.A., . (2007) A look at species composition in second rotation forests. [Proceedings Paper]

Peninsular Malaysia is currently undergoing a critical period in forest management where exploitation of the production forests is moving from undisturbed forest to second rotation forests. It would not be long before harvesting of production forest will solely involve second rotation forests. This change will entail a shift from managing rich and productive forest to a highly variable forest generally expected to be of lower yield and containing smaller sized trees. The management of such forests in Malaysia is expected to bring new challenges to forests are not as productive as expected under Selective Management System SMS and thus will affect its capacity to supply the expected quality raw materials for the industry. To address this issue a study was carried out to assess the stocking and species composition of second rotation forests in two second production forests located in Tekam Forests Reserve Pahang and Cherul Forest Reserve Terengganu. The extent of the study areas in Tekam and Cherul were 11 000 ha and 3 600 ha respectively. The forests in the study areas were stratified according to stocking density and ground inventory was undertaken to assess the growing stock. The study indicated that the second rotation forests are not as productive as cycle. However species composition has been altered favouring greater dominance of the non-dipterocarp species. Some of the main factors that could have contributed to this phenomenon may include the slower recovery of the forest after the first cut higher mortality due to logging damage and implementation of cutting limit prescriptions that favoured high removals of dipterocarps as they are dominant in the upper diameter classes.

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Abstract

Peninsular Malaysia is currently undergoing a critical period in forest management where exploitation of the production forests is moving from undisturbed forest to second rotation forests. It would not be long before harvesting of production forest will solely involve second rotation forests. This change will entail a shift from managing rich and productive forest to a highly variable forest generally expected to be of lower yield and containing smaller sized trees. The management of such forests in Malaysia is expected to bring new challenges to forests are not as productive as expected under Selective Management System SMS and thus will affect its capacity to supply the expected quality raw materials for the industry. To address this issue a study was carried out to assess the stocking and species composition of second rotation forests in two second production forests located in Tekam Forests Reserve Pahang and Cherul Forest Reserve Terengganu. The extent of the study areas in Tekam and Cherul were 11 000 ha and 3 600 ha respectively. The forests in the study areas were stratified according to stocking density and ground inventory was undertaken to assess the growing stock. The study indicated that the second rotation forests are not as productive as cycle. However species composition has been altered favouring greater dominance of the non-dipterocarp species. Some of the main factors that could have contributed to this phenomenon may include the slower recovery of the forest after the first cut higher mortality due to logging damage and implementation of cutting limit prescriptions that favoured high removals of dipterocarps as they are dominant in the upper diameter classes.

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Item Type:	Proceedings Paper
Additional Information:	3 ills.; 2 tables.; 4 ref.call number: SD235 M3N277 2007
AGROVOC Term:	CROP ROTATION
AGROVOC Term:	MANAGEMENT
AGROVOC Term:	FOREST MANAGEMENT
AGROVOC Term:	BIODIVERSITY
AGROVOC Term:	MALAYSIA
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:13
URI:	http://webagris.upm.edu.my/id/eprint/11081

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