Floristic composition of Pasoh Forest Reserve a lowland rainforest in Peninsular Malaysia

Kochummen K.M., . and LaFranckie J.V., . and Manokaran N., . Floristic composition of Pasoh Forest Reserve a lowland rainforest in Peninsular Malaysia. pp. 545-554.

We tabulated and compared all trees and shrubs (excluding monoctyledon) in the Malay Peninsula with all trees and shrubs greater than 1 cm dbh (340 000 individuals) in 50 hectares of primary lowland forest in Pasoh Forest Reserve Negeri Sembilan. There are 3197 species in Malaya of which 802 (25 percents) were found in the 50-ha plot. Those 802 species include about half of the species that might be expected for a lowland forest in Negeri Sembilan. Only 21 species (2.5 percent) were new to science 3 spp. were new to the Peninsula 3 spp. were previously thought to be restricted west of the Main range and 11 spp. were previously thought to be exceedingly rare. Family differences in representation were notable e.g. Dipterocarpaceae was represented by 30 of 156 Malayan species whereas Burseraceae by 21 of 35 Malayan species. The significance for conservation policy is two-fold: on the one hand small reserves may include a surprisingly large percentage of the region's tree and shrub flora e.g. the 50-ha plot included all 12 possible species of ((Mangifera)) (Anacardiaceae) an important fruit tree resource and 8 of 10 possible species of ((Ixora)) (Rubiaceae) an important horticultural resource. On the other hand many species are represented by too few individuals to be assured of their long-term conservation.

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Abstract

We tabulated and compared all trees and shrubs (excluding monoctyledon) in the Malay Peninsula with all trees and shrubs greater than 1 cm dbh (340 000 individuals) in 50 hectares of primary lowland forest in Pasoh Forest Reserve Negeri Sembilan. There are 3197 species in Malaya of which 802 (25 percents) were found in the 50-ha plot. Those 802 species include about half of the species that might be expected for a lowland forest in Negeri Sembilan. Only 21 species (2.5 percent) were new to science 3 spp. were new to the Peninsula 3 spp. were previously thought to be restricted west of the Main range and 11 spp. were previously thought to be exceedingly rare. Family differences in representation were notable e.g. Dipterocarpaceae was represented by 30 of 156 Malayan species whereas Burseraceae by 21 of 35 Malayan species. The significance for conservation policy is two-fold: on the one hand small reserves may include a surprisingly large percentage of the region's tree and shrub flora e.g. the 50-ha plot included all 12 possible species of ((Mangifera)) (Anacardiaceae) an important fruit tree resource and 8 of 10 possible species of ((Ixora)) (Rubiaceae) an important horticultural resource. On the other hand many species are represented by too few individuals to be assured of their long-term conservation.

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Item Type:	Article
Additional Information:	3 tables; 11 ref.; Summaries (En)
AGROVOC Term:	BOSQUES
AGROVOC Term:	ARBOLES
AGROVOC Term:	FLORA
AGROVOC Term:	MALASIA
Depositing User:	Ms. Norfaezah Khomsan
Last Modified:	24 Apr 2025 05:56
URI:	http://webagris.upm.edu.my/id/eprint/20550

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