Diversity of seed dispersed by frugivorous animals in primary and logged forest.

Mohamed Zakaria H., . (2007) Diversity of seed dispersed by frugivorous animals in primary and logged forest. [Proceedings Paper]

This study examined the effects of logging on dispersal of seeds by frugivorous animals. Previous studies on animal observations at fruiting trees have shown that species composition of frugivorous animals remains the same in logged forest. However most of these species particularly specialised frugiviores were less often observed feeding on fruits in logged forest compared to primary forest. Only the small size generalised frugivorous birds such as bulbulbs were frequently observed feeding on fruits in logged forest. Seed disporsal experiments were conducted simultaneously in primary and logged forests for 18 months. A total of 50 seed-traps each measuring 1m2 were placed randomly in each forest type. Results from the seed-traps showed that fewer seed particulatly of large size seeds were being dispersed in primary than in logged forests. Result also showed that the diversity of dispersed seeds richness diversity and eveness was higher in primary than in logged forest are secondary species that bearing samll-seeded fruits. Therefore logged forest may still rergenerate naturally but the rate is slower for primary forest species. If the next logging cycle is too short the forest may not be able to fully regenerate.

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Abstract

This study examined the effects of logging on dispersal of seeds by frugivorous animals. Previous studies on animal observations at fruiting trees have shown that species composition of frugivorous animals remains the same in logged forest. However most of these species particularly specialised frugiviores were less often observed feeding on fruits in logged forest compared to primary forest. Only the small size generalised frugivorous birds such as bulbulbs were frequently observed feeding on fruits in logged forest. Seed disporsal experiments were conducted simultaneously in primary and logged forests for 18 months. A total of 50 seed-traps each measuring 1m2 were placed randomly in each forest type. Results from the seed-traps showed that fewer seed particulatly of large size seeds were being dispersed in primary than in logged forests. Result also showed that the diversity of dispersed seeds richness diversity and eveness was higher in primary than in logged forest are secondary species that bearing samll-seeded fruits. Therefore logged forest may still rergenerate naturally but the rate is slower for primary forest species. If the next logging cycle is too short the forest may not be able to fully regenerate.

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Item Type:	Proceedings Paper
Additional Information:	2 tables.; 16 ref.call number: SD235 M3N277 2007
AGROVOC Term:	ANIMALS
AGROVOC Term:	SEED DISPERSAL
AGROVOC Term:	LOGGING
AGROVOC Term:	VIRGIN FORESTS
AGROVOC Term:	REGENERATION
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/11063

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