Citation
Appanah S., . and Weinland G., . Will the management systems for hill dipterocarp forests stand up. pp. 140-158. ISSN 0128-1283
Abstract
The hill dipterocarp forests of Peninsular Malaysia are managed under the Selective Management System (SMS) a variant of the Selective Fellings practised in Indonesia and the Philippines. Much controversy prevails over the capacity of the SMS to manage the dipterocarp forests. In this paper we review the silvicultural content of the SMS recognising that a management system is as good as its silviculture. The silvicultural core of the SMS is the retention of advanced relicts which grow into the next crop and in addition provide much of the seedling regeneration. There are many limitations as a result: in dipterocarp forests the middle sizes of trees are not well represented; and they may not all be superior and respond rapidly to logging; logging is not sensitive to variations in the stands; logging damage is usually heavier than projected; future regeneration may not be evenly distributed or adequate; and the selective removal of dipterocarps may mar the sustainability of yield following the second cutting. Several measures can be taken to improve the silvicultural content of the SMS. They include stratifying forest into productive and protection units improving felling and hauling techniques leaving seed trees replanting denuded areas and tending the young regeneration still surviving.
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Abstract
The hill dipterocarp forests of Peninsular Malaysia are managed under the Selective Management System (SMS) a variant of the Selective Fellings practised in Indonesia and the Philippines. Much controversy prevails over the capacity of the SMS to manage the dipterocarp forests. In this paper we review the silvicultural content of the SMS recognising that a management system is as good as its silviculture. The silvicultural core of the SMS is the retention of advanced relicts which grow into the next crop and in addition provide much of the seedling regeneration. There are many limitations as a result: in dipterocarp forests the middle sizes of trees are not well represented; and they may not all be superior and respond rapidly to logging; logging is not sensitive to variations in the stands; logging damage is usually heavier than projected; future regeneration may not be evenly distributed or adequate; and the selective removal of dipterocarps may mar the sustainability of yield following the second cutting. Several measures can be taken to improve the silvicultural content of the SMS. They include stratifying forest into productive and protection units improving felling and hauling techniques leaving seed trees replanting denuded areas and tending the young regeneration still surviving.
Additional Metadata
Item Type: | Article |
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AGROVOC Term: | Dipterocarps |
AGROVOC Term: | Tropical forests |
AGROVOC Term: | Forest management |
AGROVOC Term: | Selective felling |
AGROVOC Term: | Increment felling |
AGROVOC Term: | Logging |
AGROVOC Term: | Damage |
AGROVOC Term: | Plant residues |
AGROVOC Term: | Regeneration |
AGROVOC Term: | Silvicultural systems |
Geographical Term: | Malaysia |
Depositing User: | Ms. Suzila Mohamad Kasim |
Last Modified: | 27 Apr 2025 23:09 |
URI: | http://webagris.upm.edu.my/id/eprint/22644 |
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