Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years

How well ex situ living collections capture the genetic variation of their wild-source populations, is an efficient indicator for assessing the success of ex situ conservation. Here, we explore the origins and genetic representation of multiple species' ex situ living collections that have been...

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Autores principales:	Zhiqiang Xiao, Teng Yang, Shitong Wang, Xinzeng Wei, Mingxi Jiang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Endangered tree species Ex situ conservation Genetic diversity Gene structure Genetic representation Origin Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/0914ec4b93e94059b38965292a864a7d
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spelling	oai:doaj.org-article:0914ec4b93e94059b38965292a864a7d2021-11-22T04:26:44ZExploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years2351-989410.1016/j.gecco.2021.e01928https://doaj.org/article/0914ec4b93e94059b38965292a864a7d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2351989421004789https://doaj.org/toc/2351-9894How well ex situ living collections capture the genetic variation of their wild-source populations, is an efficient indicator for assessing the success of ex situ conservation. Here, we explore the origins and genetic representation of multiple species' ex situ living collections that have been established for 20–35 years. We only sampled the potential wild-source populations, which cover parts of the focal species’ natural distribution ranges. Using microsatellite loci, we compared the genetic diversity between ex situ and wild populations, and verified the wild-source populations of ex situ living collections for five endangered tree species (i.e., Davidia involucrata, Dipteronia sinensis, Tetracentron sinense, Cercidiphyllum japonicum, and Tapiscia sinensis). We found that the genetic diversity of ex situ populations is comparable to their wild-source populations for all five plant species. We detected weak genetic structure among ex situ and wild-source populations for each species. Our results suggested that ex situ living plant collections may have comparable genetic diversity compared with their corresponding wild-source populations. We recommend that additional ex situ collections from different maternal lines across ex situ institutions or the distribution range of the target species would contribute to high level of genetic representation of ex situ populations, and (2) complete collection records and optimal sampling strategies are required for effective ex situ plant conservation.Zhiqiang XiaoTeng YangShitong WangXinzeng WeiMingxi JiangElsevierarticleEndangered tree speciesEx situ conservationGenetic diversityGene structureGenetic representationOriginEcologyQH540-549.5ENGlobal Ecology and Conservation, Vol 32, Iss , Pp e01928- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Endangered tree species Ex situ conservation Genetic diversity Gene structure Genetic representation Origin Ecology QH540-549.5
spellingShingle	Endangered tree species Ex situ conservation Genetic diversity Gene structure Genetic representation Origin Ecology QH540-549.5 Zhiqiang Xiao Teng Yang Shitong Wang Xinzeng Wei Mingxi Jiang Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
description	How well ex situ living collections capture the genetic variation of their wild-source populations, is an efficient indicator for assessing the success of ex situ conservation. Here, we explore the origins and genetic representation of multiple species' ex situ living collections that have been established for 20–35 years. We only sampled the potential wild-source populations, which cover parts of the focal species’ natural distribution ranges. Using microsatellite loci, we compared the genetic diversity between ex situ and wild populations, and verified the wild-source populations of ex situ living collections for five endangered tree species (i.e., Davidia involucrata, Dipteronia sinensis, Tetracentron sinense, Cercidiphyllum japonicum, and Tapiscia sinensis). We found that the genetic diversity of ex situ populations is comparable to their wild-source populations for all five plant species. We detected weak genetic structure among ex situ and wild-source populations for each species. Our results suggested that ex situ living plant collections may have comparable genetic diversity compared with their corresponding wild-source populations. We recommend that additional ex situ collections from different maternal lines across ex situ institutions or the distribution range of the target species would contribute to high level of genetic representation of ex situ populations, and (2) complete collection records and optimal sampling strategies are required for effective ex situ plant conservation.
format	article
author	Zhiqiang Xiao Teng Yang Shitong Wang Xinzeng Wei Mingxi Jiang
author_facet	Zhiqiang Xiao Teng Yang Shitong Wang Xinzeng Wei Mingxi Jiang
author_sort	Zhiqiang Xiao
title	Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
title_short	Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
title_full	Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
title_fullStr	Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
title_full_unstemmed	Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
title_sort	exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/0914ec4b93e94059b38965292a864a7d
work_keys_str_mv	AT zhiqiangxiao exploringtheoriginandgeneticrepresentationofexsitulivingcollectionsoffiveendangeredtreespeciesestablishedfor2035years AT tengyang exploringtheoriginandgeneticrepresentationofexsitulivingcollectionsoffiveendangeredtreespeciesestablishedfor2035years AT shitongwang exploringtheoriginandgeneticrepresentationofexsitulivingcollectionsoffiveendangeredtreespeciesestablishedfor2035years AT xinzengwei exploringtheoriginandgeneticrepresentationofexsitulivingcollectionsoffiveendangeredtreespeciesestablishedfor2035years AT mingxijiang exploringtheoriginandgeneticrepresentationofexsitulivingcollectionsoffiveendangeredtreespeciesestablishedfor2035years
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Exploring the origin and genetic representation of ex situ living collections of five endangered tree species established for 20–35 years

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