Comparison of growth and standing volume on monoculture and mixed planting system of rehabilitated forest in Bintulu Sarawak

Seca G., . and Krishnamurthi N., . and Ravivarman S., . and Amir F. M., . (2011) Comparison of growth and standing volume on monoculture and mixed planting system of rehabilitated forest in Bintulu Sarawak. [Proceedings Paper]

There is limited research related to rehabilitated tropical forest standing volume estimation and growth. The objective of this research was to compare the standing volume and growth between monoculture and mixed planting of rehabilitated tropical forest. This study was conducted at Phase 1 of 19-year old rehabilitated forest at Bukit Nyabau Universiti Putra Malaysia Bintulu Sarawak Campus. The research plots were established in monoculture stand and in mixed planting of rehabilitated forest. Diameters for all the trees in the plots were measured and their heights were measured from thirty trees. Diameter was measured at every 2 m sectional. The total volume of the standing trees was estimated by calculating the basal area and volume sectional by using the Smalian;s formula. Annual growth measurement was used to estimate the growth rate. Regression analysis was conducted to find the regression equation which could reflect the relation between volume diameter and height of the tree. Results show that there was a relationship between volume diameter and height of tree and trees in the mixed plantation having a larger standing tree volume and growth compared with trees in monoculture. This result indicates that tropical forest species strive better in mixed planting than in monoculture.

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Abstract

There is limited research related to rehabilitated tropical forest standing volume estimation and growth. The objective of this research was to compare the standing volume and growth between monoculture and mixed planting of rehabilitated tropical forest. This study was conducted at Phase 1 of 19-year old rehabilitated forest at Bukit Nyabau Universiti Putra Malaysia Bintulu Sarawak Campus. The research plots were established in monoculture stand and in mixed planting of rehabilitated forest. Diameters for all the trees in the plots were measured and their heights were measured from thirty trees. Diameter was measured at every 2 m sectional. The total volume of the standing trees was estimated by calculating the basal area and volume sectional by using the Smalian;s formula. Annual growth measurement was used to estimate the growth rate. Regression analysis was conducted to find the regression equation which could reflect the relation between volume diameter and height of the tree. Results show that there was a relationship between volume diameter and height of tree and trees in the mixed plantation having a larger standing tree volume and growth compared with trees in monoculture. This result indicates that tropical forest species strive better in mixed planting than in monoculture.

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Item Type:	Proceedings Paper
Additional Information:	2 tables; 3 ref. QH 541.5 R27 I61 2011
AGROVOC Term:	Monoculture
AGROVOC Term:	Forest rehabilitation
AGROVOC Term:	Mixed planting
AGROVOC Term:	Sarawak
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:14
URI:	http://webagris.upm.edu.my/id/eprint/11569

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