Tree Species Composition, Diversity and Above Ground Biomass of Two Forest Types at Redang Island, Peninsula Malaysia

Q3 Multidisciplinary Walailak Journal of Science and Technology Pub Date : 2012-12-13 DOI:10.2004/WJST.V10I1.239
M. Khairil, M. Nashriyah, N. Norhayati, Shahril Amin, N. Fatihah
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引用次数: 4

Abstract

A study was conducted to determine the tree species composition, diversity and above ground biomass at Redang Island, Terengganu. Two plots of 0.1 ha were established at the inland forest and coastal forest of the island. As the result, a total of 387 trees ≥ 5 diameters at breast height (DBH) were recorded. The coastal forest recorded 167 individuals representing 48 species from 37 genera and 26 families while the inland forest had 220 individuals representing 50 species from 43 genera and 25 families. Shorea glauca (Dipterocarpaceae) was the most important species at the coastal forest with a Species Importance Value Index ( SIV i ) of 10.5 % while Dipterocarpus costulatus (Dipterocarpaceae) was the most important species at the inland forest with 13.8 %. Dipterocarpaceae was the most important family in both forest plots with FIV i at 20.4 % in the coastal and 21.5 % in the inland forest. The Shannon-Weiner Diversity Index (H’) was considered high in both forest plots with 3.4 (H’ max = 3.9) at the coastal forest and 3.5 (H’ max = 4.0) at the inland forest. Sorenson’s Community Similarity Coefficient (CCs) showed that tree species communities between the two forest plots had moderate similarity with CC = 0.5. The Shannon Evenness Index ( J ’) in the two forest plots was 0.89. The total above ground biomass at the coastal forest was 491 t/ha and at the inland forest it was 408 t/ha. From all the species recorded in this study, 11 species were listed as threatened species by IUCN Red Data Book, of which four were listed as endangered and critically endangered, six were listed as lower risk and one species was listed as vulnerable.
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马来西亚半岛热当岛两种森林类型的树种组成、多样性和地上生物量
对丁加奴热当岛的树种组成、多样性和地上生物量进行了研究。在岛上的内陆森林和沿海森林建立了两个0.1 ha的样地。结果,共记录到胸径≥5径的乔木387棵。沿海林有26科37属48种167只,内陆林有25科43属50种220只。物种重要值指数(SIV i)为10.5%,是沿海森林最重要的物种,而内陆森林最重要的物种是双龙桃(Dipterocarpus costulatus),为13.8%。在两个样地中,双龙心科是最重要的科,其FIV i分别为沿海的20.4%和内陆的21.5%。两个样地的Shannon-Weiner多样性指数(H’)均较高,滨海林样地为3.4 (H’max = 3.9),内陆林样地为3.5 (H’max = 4.0)。Sorenson群落相似系数(CCs)表明,两个样地之间的树种群落具有中等的相似性,CC = 0.5。两个样地的香农均匀度指数(J’)为0.89。沿海森林地上总生物量为491 t/ha,内陆森林地上总生物量为408 t/ha。在本研究记录的所有物种中,有11种被IUCN红皮书列为受威胁物种,其中4种被列为濒危和极危物种,6种被列为低危物种,1种被列为易危物种。
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来源期刊
Walailak Journal of Science and Technology
Walailak Journal of Science and Technology Multidisciplinary-Multidisciplinary
CiteScore
0.80
自引率
0.00%
发文量
0
审稿时长
24 weeks
期刊介绍: The Walailak Journal of Science and Technology (Walailak J. Sci. & Tech. or WJST), is a peer-reviewed journal covering all areas of science and technology, launched in 2004. It is published 12 Issues (Monthly) by the Institute of Research and Innovation of Walailak University. The scope of the journal includes the following areas of research : - Natural Sciences: Biochemistry, Chemical Engineering, Chemistry, Materials Science, Mathematics, Molecular Biology, Physics and Astronomy. -Life Sciences: Allied Health Sciences, Biomedical Sciences, Dentistry, Genetics, Immunology and Microbiology, Medicine, Neuroscience, Nursing, Pharmaceutics, Psychology, Public Health, Tropical Medicine, Veterinary. -Applied Sciences: Agricultural, Aquaculture, Biotechnology, Computer Science, Cybernetics, Earth and Planetary, Energy, Engineering, Environmental, Food Science, Information Technology, Meat Science, Nanotechnology, Plant Sciences, Systemics
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