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Floristic composition and diversity of saplings in an Upper Hill Dipterocarp Forest, Perak, Peninsular Malaysia

Z. AHMAD FITRI, M. S. NIZAM, A. LATIFF, K. ABD. RAHMAN, D. F. CHRISTINE, I. SHAMSUDIN

Abstract


A study of floristic composition and diversity of saplings was conducted in an
upper hill dipterocarp forest at Temengor Forest Reserve, Perak, Malaysia. Twenty four 80 m x 1 m transect were established and all saplings with 1.0–4.9 cm DBH and >0.5-m height were recorded. A total of 344 saplings wa recorded in the 24 subplots (0.192 ha) that comprise of 42 families, 101 genera and 163 species. Euphorbiaceae was the largest family with 16 species while Syzygium was the most speciose genus with 12 species. The understorey group records the highest total number of species and individuals with 54 species (33.13%) and 128 individuals (37.21%). A total of 29 species from 58 individuals was listed under the IUCN Red List. The Shannon Diversity Index (H') for the saplings in the study area was 4.24 (H’max = 4.43) while for Shannon Evenness Index (J') the value was 0.96. Nineteen endemic species to Peninsular Malaysia were also recorded in this study.


Keywords


saplings, transect, species groups, upper hill dipterocarp forest

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