Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)

This study presents the phylogeny and biogeography of the Schismatoglottis Nervosa complex (Araceae: Schismatoglottideae) based on the nuclear ITS region and chloroplast regions (matK, trnL-F, psbA-trnH). The aim is to provide evidence for divergence and biogeographical implications of the comple...

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Main Author:	Ting, April Pei Jen
Format:	Thesis
Language:	English
Published:	2013
Subjects:	QK Botany
Online Access:	http://ir.unimas.my/id/eprint/9351/2/April%28fulltext%29.pdf
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id	my-unimas-ir.9351
record_format	uketd_dc
spelling	my-unimas-ir.93512023-05-02T08:38:42Z Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae) 2013 Ting, April Pei Jen QK Botany This study presents the phylogeny and biogeography of the Schismatoglottis Nervosa complex (Araceae: Schismatoglottideae) based on the nuclear ITS region and chloroplast regions (matK, trnL-F, psbA-trnH). The aim is to provide evidence for divergence and biogeographical implications of the complex and to provide insight into the dispersal evolution of the family. The Schismatoglottis Nervosa complex comprises eighteen species endemic to several localities in Borneo and West Malaysia: Kuching (Bau, Matang, Padawan, and Lundu), Serian, Bintulu, Sarikei, Kapit, Miri, Tawau and Perak. Each species is endemic to specific substrate: shales, limestone, sandstone and granite. Maximum parsimony analysis and maximum likelihood analyses were performed with PAUP* 4.0b10 and RAxML blackbox, respectively. Bayesian analysis was generated with MrBayes v3.2.7, divergence time estimation by BEAST, and distribution evolution based on S-DIVA and LAGRANGE. Results from these analyses revealed that the complex diverged from west to east (polarity from Malay Peninsula to Borneo) during Pliocene (6 Mya) to Pleistocene (0.6 Mya) through re-emergence and submergence of land bridges. Divergence date estimates support a rapid radiation which very likely catalyzed by geological history. University Malaysia Sarawak, UNIMAS 2013 Thesis http://ir.unimas.my/id/eprint/9351/ http://ir.unimas.my/id/eprint/9351/2/April%28fulltext%29.pdf text en validuser masters University Malaysia Sarawak, UNIMAS Faculty of Resource Science and Technology
institution	Universiti Malaysia Sarawak
collection	UNIMAS Institutional Repository
language	English
topic	QK Botany
spellingShingle	QK Botany Ting, April Pei Jen Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
description	This study presents the phylogeny and biogeography of the Schismatoglottis Nervosa complex (Araceae: Schismatoglottideae) based on the nuclear ITS region and chloroplast regions (matK, trnL-F, psbA-trnH). The aim is to provide evidence for divergence and biogeographical implications of the complex and to provide insight into the dispersal evolution of the family. The Schismatoglottis Nervosa complex comprises eighteen species endemic to several localities in Borneo and West Malaysia: Kuching (Bau, Matang, Padawan, and Lundu), Serian, Bintulu, Sarikei, Kapit, Miri, Tawau and Perak. Each species is endemic to specific substrate: shales, limestone, sandstone and granite. Maximum parsimony analysis and maximum likelihood analyses were performed with PAUP* 4.0b10 and RAxML blackbox, respectively. Bayesian analysis was generated with MrBayes v3.2.7, divergence time estimation by BEAST, and distribution evolution based on S-DIVA and LAGRANGE. Results from these analyses revealed that the complex diverged from west to east (polarity from Malay Peninsula to Borneo) during Pliocene (6 Mya) to Pleistocene (0.6 Mya) through re-emergence and submergence of land bridges. Divergence date estimates support a rapid radiation which very likely catalyzed by geological history.
format	Thesis
qualification_level	Master's degree
author	Ting, April Pei Jen
author_facet	Ting, April Pei Jen
author_sort	Ting, April Pei Jen
title	Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
title_short	Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
title_full	Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
title_fullStr	Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
title_full_unstemmed	Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
title_sort	biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)
granting_institution	University Malaysia Sarawak, UNIMAS
granting_department	Faculty of Resource Science and Technology
publishDate	2013
url	http://ir.unimas.my/id/eprint/9351/2/April%28fulltext%29.pdf
_version_	1783728051082756096

Biogeography and the origin of extant species of the schismatoglottis nervosa complex (araceae : schismatoglottideae)

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