Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau

<i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Qingqing Yu [verfasserIn] Qian Liu [verfasserIn] Yi Xiong [verfasserIn] Yanli Xiong [verfasserIn] Zhixiao Dong [verfasserIn] Jian Yang [verfasserIn] Wei Liu [verfasserIn] Xiao Ma [verfasserIn] Shiqie Bai [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy

Übergeordnetes Werk:	In: Sustainability - MDPI AG, 2009, 11(2019), 20, p 5863
Übergeordnetes Werk:	volume:11 ; year:2019 ; number:20, p 5863

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/su11205863

Katalog-ID:	DOAJ014517752

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allfields	10.3390/su11205863 doi (DE-627)DOAJ014517752 (DE-599)DOAJ28c5deeb289443c58ca3804f88011cc6 DE-627 ger DE-627 rakwb eng TD194-195 TJ807-830 GE1-350 Qingqing Yu verfasserin aut Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<. <i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy Environmental effects of industries and plants Renewable energy sources Environmental sciences Qian Liu verfasserin aut Yi Xiong verfasserin aut Yanli Xiong verfasserin aut Zhixiao Dong verfasserin aut Jian Yang verfasserin aut Wei Liu verfasserin aut Xiao Ma verfasserin aut Shiqie Bai verfasserin aut In Sustainability MDPI AG, 2009 11(2019), 20, p 5863 (DE-627)610604120 (DE-600)2518383-7 20711050 nnns volume:11 year:2019 number:20, p 5863 https://doi.org/10.3390/su11205863 kostenfrei https://doaj.org/article/28c5deeb289443c58ca3804f88011cc6 kostenfrei https://www.mdpi.com/2071-1050/11/20/5863 kostenfrei https://doaj.org/toc/2071-1050 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 11 2019 20, p 5863
spelling	10.3390/su11205863 doi (DE-627)DOAJ014517752 (DE-599)DOAJ28c5deeb289443c58ca3804f88011cc6 DE-627 ger DE-627 rakwb eng TD194-195 TJ807-830 GE1-350 Qingqing Yu verfasserin aut Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<. <i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy Environmental effects of industries and plants Renewable energy sources Environmental sciences Qian Liu verfasserin aut Yi Xiong verfasserin aut Yanli Xiong verfasserin aut Zhixiao Dong verfasserin aut Jian Yang verfasserin aut Wei Liu verfasserin aut Xiao Ma verfasserin aut Shiqie Bai verfasserin aut In Sustainability MDPI AG, 2009 11(2019), 20, p 5863 (DE-627)610604120 (DE-600)2518383-7 20711050 nnns volume:11 year:2019 number:20, p 5863 https://doi.org/10.3390/su11205863 kostenfrei https://doaj.org/article/28c5deeb289443c58ca3804f88011cc6 kostenfrei https://www.mdpi.com/2071-1050/11/20/5863 kostenfrei https://doaj.org/toc/2071-1050 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 11 2019 20, p 5863
allfields_unstemmed	10.3390/su11205863 doi (DE-627)DOAJ014517752 (DE-599)DOAJ28c5deeb289443c58ca3804f88011cc6 DE-627 ger DE-627 rakwb eng TD194-195 TJ807-830 GE1-350 Qingqing Yu verfasserin aut Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<. <i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy Environmental effects of industries and plants Renewable energy sources Environmental sciences Qian Liu verfasserin aut Yi Xiong verfasserin aut Yanli Xiong verfasserin aut Zhixiao Dong verfasserin aut Jian Yang verfasserin aut Wei Liu verfasserin aut Xiao Ma verfasserin aut Shiqie Bai verfasserin aut In Sustainability MDPI AG, 2009 11(2019), 20, p 5863 (DE-627)610604120 (DE-600)2518383-7 20711050 nnns volume:11 year:2019 number:20, p 5863 https://doi.org/10.3390/su11205863 kostenfrei https://doaj.org/article/28c5deeb289443c58ca3804f88011cc6 kostenfrei https://www.mdpi.com/2071-1050/11/20/5863 kostenfrei https://doaj.org/toc/2071-1050 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 11 2019 20, p 5863
allfieldsGer	10.3390/su11205863 doi (DE-627)DOAJ014517752 (DE-599)DOAJ28c5deeb289443c58ca3804f88011cc6 DE-627 ger DE-627 rakwb eng TD194-195 TJ807-830 GE1-350 Qingqing Yu verfasserin aut Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<. <i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy Environmental effects of industries and plants Renewable energy sources Environmental sciences Qian Liu verfasserin aut Yi Xiong verfasserin aut Yanli Xiong verfasserin aut Zhixiao Dong verfasserin aut Jian Yang verfasserin aut Wei Liu verfasserin aut Xiao Ma verfasserin aut Shiqie Bai verfasserin aut In Sustainability MDPI AG, 2009 11(2019), 20, p 5863 (DE-627)610604120 (DE-600)2518383-7 20711050 nnns volume:11 year:2019 number:20, p 5863 https://doi.org/10.3390/su11205863 kostenfrei https://doaj.org/article/28c5deeb289443c58ca3804f88011cc6 kostenfrei https://www.mdpi.com/2071-1050/11/20/5863 kostenfrei https://doaj.org/toc/2071-1050 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 11 2019 20, p 5863
allfieldsSound	10.3390/su11205863 doi (DE-627)DOAJ014517752 (DE-599)DOAJ28c5deeb289443c58ca3804f88011cc6 DE-627 ger DE-627 rakwb eng TD194-195 TJ807-830 GE1-350 Qingqing Yu verfasserin aut Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<. <i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy Environmental effects of industries and plants Renewable energy sources Environmental sciences Qian Liu verfasserin aut Yi Xiong verfasserin aut Yanli Xiong verfasserin aut Zhixiao Dong verfasserin aut Jian Yang verfasserin aut Wei Liu verfasserin aut Xiao Ma verfasserin aut Shiqie Bai verfasserin aut In Sustainability MDPI AG, 2009 11(2019), 20, p 5863 (DE-627)610604120 (DE-600)2518383-7 20711050 nnns volume:11 year:2019 number:20, p 5863 https://doi.org/10.3390/su11205863 kostenfrei https://doaj.org/article/28c5deeb289443c58ca3804f88011cc6 kostenfrei https://www.mdpi.com/2071-1050/11/20/5863 kostenfrei https://doaj.org/toc/2071-1050 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 11 2019 20, p 5863
language	English
source	In Sustainability 11(2019), 20, p 5863 volume:11 year:2019 number:20, p 5863
sourceStr	In Sustainability 11(2019), 20, p 5863 volume:11 year:2019 number:20, p 5863
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	<i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy Environmental effects of industries and plants Renewable energy sources Environmental sciences
isfreeaccess_bool	true
container_title	Sustainability
authorswithroles_txt_mv	Qingqing Yu @@aut@@ Qian Liu @@aut@@ Yi Xiong @@aut@@ Yanli Xiong @@aut@@ Zhixiao Dong @@aut@@ Jian Yang @@aut@@ Wei Liu @@aut@@ Xiao Ma @@aut@@ Shiqie Bai @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	610604120
id	DOAJ014517752
language_de	englisch
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callnumber-first	T - Technology
author	Qingqing Yu
spellingShingle	Qingqing Yu misc TD194-195 misc TJ807-830 misc GE1-350 misc <i<elymus breviaristatus</i< misc srap misc genetic diversity misc outlier misc population structure misc isolation by distance (ibd) misc conservation strategy misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau
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topic_title	TD194-195 TJ807-830 GE1-350 Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau <i<elymus breviaristatus</i< srap genetic diversity outlier population structure isolation by distance (ibd) conservation strategy
topic	misc TD194-195 misc TJ807-830 misc GE1-350 misc <i<elymus breviaristatus</i< misc srap misc genetic diversity misc outlier misc population structure misc isolation by distance (ibd) misc conservation strategy misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
topic_unstemmed	misc TD194-195 misc TJ807-830 misc GE1-350 misc <i<elymus breviaristatus</i< misc srap misc genetic diversity misc outlier misc population structure misc isolation by distance (ibd) misc conservation strategy misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
topic_browse	misc TD194-195 misc TJ807-830 misc GE1-350 misc <i<elymus breviaristatus</i< misc srap misc genetic diversity misc outlier misc population structure misc isolation by distance (ibd) misc conservation strategy misc Environmental effects of industries and plants misc Renewable energy sources misc Environmental sciences
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title	Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau
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title_full	Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau
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author_browse	Qingqing Yu Qian Liu Yi Xiong Yanli Xiong Zhixiao Dong Jian Yang Wei Liu Xiao Ma Shiqie Bai
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title_sort	genetic diversity and population divergence of a rare, endemic grass (<i<elymus breviaristatus</i<) in the southeastern qinghai-tibetan plateau
callnumber	TD194-195
title_auth	Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau
abstract	<i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<.
abstractGer	<i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<.
abstract_unstemmed	<i<Elymus breviaristatus</i< is a grass species only distributed in the southeast of Qinghai-Tibetan Plateau (QTP), which has suffered from serious habitat fragmentation. Therefore, understanding patterns of genetic diversity within and among natural <i<E. breviaristatus</i< populations could provide insight for future conservation strategies. In this study, sequence-related amplified polymorphism markers were employed to investigate the genetic diversity and hierarchical structure of seven <i<E. breviaristatus</i< populations from QTP, China. Multiple measures of genetic diversity indicated that there is low to moderate genetic variation within <i<E. breviaristatus</i< populations, consistent with its presumed mating system. In spite of its rarity, <i<E. breviaristatus</i< presented high genetic diversity that was equivalent to or even higher than that of widespread species. Bayesian clustering approaches, along with clustering analysis and principal coordinate analysis partitioned the studied populations of <i<E. breviaristatus</i< into five genetic clusters. Differentiation coefficients (F<sub<st</sub<, G<sub<ST</sub<, etc.) and AMOVA analysis revealed considerable genetic divergence among different populations. BARRIER analyses indicated that there were two potential barriers to gene flow among the <i<E. breviaristatus</i< populations. Despite these patterns of differentiation, genetic distances between populations were independent of geographic distances (r = 0.2197, <i<p</i< = 0.2534), indicating little isolation by distance. Moreover, despite detecting a common outlier by two methods, bioclimatic factors (altitude, annual mean temperature, and annual mean precipitation) were not related to diversity parameters, indicating little evidence for isolation caused by the environment. These patterns of diversity within and between populations are used to propose a conservation strategy for <i<E. breviaristatus</i<.
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title_short	Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau
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Genetic Diversity and Population Divergence of a Rare, Endemic Grass (<i<Elymus breviaristatus</i<) in the Southeastern Qinghai-Tibetan Plateau

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