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Effects of habitat differences on the genetic diversity of Persicaria thunbergii

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Authors
Nam, Bo Eun; Nam, Jong Min; Kim, Jae Geun
Issue Date
2016-11-24
Publisher
BioMed Central
Citation
Journal of Ecology and Environment, 40(1):11
Keywords
Cleistogamic flowerGenetic distanceGenetic diversityRAPD-PCR
Description
s This article is distributed under the terms of the Creative Commons Attribution 4.0
International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and
reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to
the Creative Commons license, and indicate if changes were made.
Abstract
Abstract
To understand the effects of habitat characteristics on the genetic diversity of Persicaria thunbergii, three sites of different environmental conditions in a water system were surveyed. Site A was the closest to the source of the water system, and there was a dam between sites A and B. Site C is located on the lowest downstream in the water system. Vegetation survey of four quadrats at each site was performed, and soil samples were collected for physicochemical analysis. Random amplification of polymorphic DNA (RAPD) analysis of ten P. thunbergii individuals at each site was conducted to calculate population genetic diversity and genetic distance among populations. Soil was sterile sand at site A, whereas loamy soil at sites B and C. A pure stand of P. thunbergii appeared at site A, while other species occurred together (such as Humulus japonicus and Phragmites australis) at sites B (Shannon-Wiener index; H
B = 0.309) and C (H
C = 0.299). Similar to the species diversity, genetic diversity (Neis gene diversity; h) within population of site A (h
A = 0.2381) was relatively lower than sites B (h
B = 0.2761) and C (h
C = 0.2618). However, site C was separated from sites A and B in genetic distance rather than the geographical distance (Neis genetic distance; A~B, 0.0338; B~C, 0.0685; A~C, 0.0833).
Language
English
URI
https://hdl.handle.net/10371/100353
DOI
https://doi.org/10.1186/s41610-016-0012-1
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College of Education (사범대학)Dept. of Science Education (과학교육과)Biology (생물전공)Journal Papers (저널논문_생물전공)
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