Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan

The study conducted along the altitudinal gradient of 300-3900 m asl. recorded a total of 36 species (21 genera) and 46 species (29 genera) in study areas I and II respectively. The sighting of only one species each for the majority of genera, including Pavetta L., Oldenlandia L., and Argostemma W...

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Main Authors: Tobgay, Kitichate Sridith
Format: Article
Language:English
Published: Prince of Songkla University 2019-10-01
Series:Songklanakarin Journal of Science and Technology (SJST)
Subjects:
Online Access:https://rdo.psu.ac.th/sjstweb/journal/41-5/11.pdf
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author Tobgay
Kitichate Sridith
author_facet Tobgay
Kitichate Sridith
author_sort Tobgay
collection DOAJ
description The study conducted along the altitudinal gradient of 300-3900 m asl. recorded a total of 36 species (21 genera) and 46 species (29 genera) in study areas I and II respectively. The sighting of only one species each for the majority of genera, including Pavetta L., Oldenlandia L., and Argostemma Wall., which are described as the largest genera of Rubiaceae, was unusual. While the species with a narrow distribution range were found concentrated at the lower altitude exhibiting endemic nature, the herbaceous species exhibiting maximum distribution range were dominant at the higher altitudinal range. The low altitudinal hump-shaped distribution pattern was observed in both study areas. The higher diversity indicated by the ShannonWiener and Simpson diversity analysis was attributed to the moderate mean precipitation, temperature, and relative humidity. The altitude and litter thickness contributed the maximum to the species composition and distribution pattern based on canonical correspondence analysis.
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spelling doaj.art-27769b01c2d0445aacd2dd91f59ec0652022-12-21T19:33:14ZengPrince of Songkla UniversitySongklanakarin Journal of Science and Technology (SJST)0125-33952019-10-014151037104710.14456/sjst-psu.2019.131Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western BhutanTobgay0Kitichate Sridith1Department of Biology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110 ThailandDepartment of Biology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90110 ThailandThe study conducted along the altitudinal gradient of 300-3900 m asl. recorded a total of 36 species (21 genera) and 46 species (29 genera) in study areas I and II respectively. The sighting of only one species each for the majority of genera, including Pavetta L., Oldenlandia L., and Argostemma Wall., which are described as the largest genera of Rubiaceae, was unusual. While the species with a narrow distribution range were found concentrated at the lower altitude exhibiting endemic nature, the herbaceous species exhibiting maximum distribution range were dominant at the higher altitudinal range. The low altitudinal hump-shaped distribution pattern was observed in both study areas. The higher diversity indicated by the ShannonWiener and Simpson diversity analysis was attributed to the moderate mean precipitation, temperature, and relative humidity. The altitude and litter thickness contributed the maximum to the species composition and distribution pattern based on canonical correspondence analysis.https://rdo.psu.ac.th/sjstweb/journal/41-5/11.pdfrubiaceaebhutanaltitudehimalayadiversity
spellingShingle Tobgay
Kitichate Sridith
Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan
Songklanakarin Journal of Science and Technology (SJST)
rubiaceae
bhutan
altitude
himalaya
diversity
title Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan
title_full Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan
title_fullStr Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan
title_full_unstemmed Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan
title_short Distribution pattern, composition, and diversity of the Rubiaceae species along the altitudinal gradient of the Himalayas in Western Bhutan
title_sort distribution pattern composition and diversity of the rubiaceae species along the altitudinal gradient of the himalayas in western bhutan
topic rubiaceae
bhutan
altitude
himalaya
diversity
url https://rdo.psu.ac.th/sjstweb/journal/41-5/11.pdf
work_keys_str_mv AT tobgay distributionpatterncompositionanddiversityoftherubiaceaespeciesalongthealtitudinalgradientofthehimalayasinwesternbhutan
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