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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Population structure and demographic history of a tropical lowland rainforest tree species Shorea parvifolia (Dipterocarpaceae) from Southeastern Asia
Ecology and Evolution, Volume 2, No. 7, Year 2012
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Description
Distribution of tropical rainforests in Southeastern Asia has changed over geological time scale, due tomovement of tectonic plates and/or global climatic changes. Shorea parvifolia is one of the most common tropical lowland rainforest tree species in Southeastern Asia. To infer population structure and demographic history of S. parvifolia, as indicators of temporal changes in the distribution and extent of tropical rainforest in this region, we studied levels and patterns of nucleotide polymorphism in the following five nuclear gene regions: GapC, GBSSI, PgiC, SBE2, and SODH. Seven populations from peninsular Malaysia, Sumatra, and eastern Borneo were included in the analyses. STRUCTURE analysis revealed that the investigated populations are divided into two groups: Sumatra-Malay and Borneo. Furthermore, each group contained one admixed population. Under isolation with migrationmodel, divergence of the two groups was estimated to occur between late Pliocene (2.6 MYA) and middle Pleistocene (0.7 MYA). The log-likelihood ratio tests of several demographic models strongly supported model with population expansion and low level of migration after divergence of the Sumatra-Malay and Borneo groups. The inferred demographic history of S. parvifolia suggested the presence of a scarcely forested land bridge on the Sunda Shelf during glacial periods in the Pleistocene and predominance of tropical lowland rainforest at least in Sumatra and eastern Borneo. © 2012 The Authors.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC3434916/bin/ece30002-1663-SD2.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC3434916/bin/ece30002-1663-SD1.doc
Authors & Co-Authors
Iwanaga, Hiroko
Japan, Fukuoka
Kyushu University
Japan, Kyoto
Kyoto University
Teshima, Kosuke M.
Japan, Fukuoka
Kyushu University
Khatab, Ismael
Japan, Fukuoka
Kyushu University
Egypt, Kafr El-sheikh
Faculty of Agriculture
Inomata, Nobuyuki
Japan, Fukuoka
Kyushu University
Japan, Fukuoka
Fukuoka Women's University
Finkeldey, Reiner
Germany, Gottingen
Georg-august-universität Göttingen
Siregar, Iskandar Zulkarnaen
Indonesia, Bogor
Ipb University
Siregar, Ulfah J.
Indonesia, Bogor
Ipb University
Szmidt, Alfred E.
Japan, Fukuoka
Kyushu University
Statistics
Citations: 26
Authors: 8
Affiliations: 6
Identifiers
Doi:
10.1002/ece3.284
e-ISSN:
20457758
Research Areas
Cancer
Environmental
Genetics And Genomics
Study Design
Cross Sectional Study