Tree assemblages and diversity patterns in Tropical Juri Forest,Bangladesh

Juri is a biodiversity-rich primary forest in Bangladesh, which remains ecologically unexplored. We identified tree species and examined the richness, alpha（a）diversity and floristic similarity patterns within the identified communities. Vegetation and environmental data were sampled in 120（0.04 ha）...

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Bibliographic Details
Published in:Journal of forestry research 2015-03, Vol.26 (1), p.159-169
Main Authors: Sarker, Swapan Kumar, Nur-Un-Nabi, Muhammad, Mohasinul Haque, Md, Sharmin, Mahmuda, Sonet, Sanjay Saha, Das, Sourav, Das, Niamjit
Format: Article
Language:English
Subjects:
Analysis
Biological diversity
Biomedical and Life Sciences
Ficus
Forestry
forests
indicator species
Indicators (Biology)
Life Sciences
Original Paper
Polyalthia
trees
TWINSPAN
原始森林
双向指示种
多样性指数
孟加拉国
热带森林
生物多样性
组合和
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Summary:Juri is a biodiversity-rich primary forest in Bangladesh, which remains ecologically unexplored. We identified tree species and examined the richness, alpha（a）diversity and floristic similarity patterns within the identified communities. Vegetation and environmental data were sampled in 120（0.04 ha） study plots. Tree communities were delimited by two-way indicator species analysis（TWINSPAN）. In total, 78 tree species of 35 families and58 genera were identified. TWINSPAN identified six tree communities： A—Tricalysia singularis; B—Kydia calycina-Castanopsis tribuloides; C—Polyalthia simiarum-Duabanga grandiflora; D—Ficus roxburghii; E—Artocarpus lacucha; F—Artocarpus lacucha. Mean richness, Shannon and Gini-Simpson indices were highest for the Polyalthia simiarum-Duabanga grandiflora community, while Ficus roxburghii showed lowest diversity. Significant differences（p = 0.05） in three diversity indices were recorded between Polyalthia simiarum-Duabanga grandiflora and Ficus roxburghii. Tree compositional similarity was greatest between Kydia calycina-Castanopsis tribuloides and Polyalthia simiarum-Duabanga grandiflora（0.712）.
ISSN:1007-662X
1993-0607
DOI:10.1007/s11676-014-0006-8