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On the distribution of Altingia excelsa Noronha (Hamamelidaceae) in Peninsular Malaysia with special reference to Tembat Forest Reserve, Terengganu

Z. AHMAD FITRI, 1M. AZHARI, M. N. NURUL ADYLA, M. N. SHUKOR, M. H. SHAHRIL, K. ZULKIFLI, A. LATIFF

Abstract


The rare species, Altingia excelsa Noronha (Hamamelidaceae) in Peninsular Malaysia is recently reported from Tembat Forest Reserve, Terengganu. This species is locally common along the upper streams of Sungai Tembat which are now threatened from inundation by the proposed hydroelectric dam impoundment. In previous literature, this species is only recorded at Gunung Tahan in the early 1920’s and Genting Highlands,
Gunung Ulu Kali, Pahang in the 1970’s. Its occurrence was also reported at Mentigi Forest Reserve, Cameron Highlands from the experimental plantation in late 1940’s. In the Tembat Forest Reserve, the range of DBH of A. excelsa is 5.0-92.0 cm and the tallest tree is c. 45 m tall. The species comprises of large trees (≥ 5 cm DBH) and two saplings were encountered
with height of 0.3-0.6 m tall. From the 147 individuals recorded along the streams, 122 are still alive and 25 are dead due to the impact of inundation of water and other natural factors. Many trees found in the upper streams and lower number had been recorded in the Keruing neram (Dipterocarpus oblongifolius) area in the lower stream. Three residual
stumps of trees with DBH 35-60 cm were also recorded.

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