Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae)

CORC > 西双版纳热带植物园 > 中国科学院西双版纳热带植物园 > 植物系统与保护生物学研究组

	Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae)
	Ito, Yu; Enju, Chigaya; Li, Jie; Tanaka, Norio
刊名	SYSTEMATICS AND BIODIVERSITY
	2018
卷号	16 期号:1 页码:45-54
关键词	Bayesian Phylogenetic Inference Multispecies Coalescent Species Delimitation Dna-sequences Mixed Models Plants Improvements Systematics Najadaceae Bootstrap
ISSN号	1477-2000
英文摘要	Phylogeny is vitally important to evaluate evolutionary distinctiveness and conservation priorities of species. Najas ancistrocarpa is one of the rarest and least known East Asian species of the c. 30-40 species of the aquatic plant genus Najas (Hydrocharitaceae). We used a recently discovered collection of this nationally and regionally endangered species in Japan and East Asia to assess whether N. ancistrocarpa is a distinct species or an untypical form of other Najas species and to evaluate its conservation priority in a phylogenetic context. The sample set of our previous study, exploring worldwide phylogeny of the genus was used with N. ancistrocarpa to delimit species boundaries in Najas and obtain conservation priority scores, calculated by multiplying evolutionary distinctiveness and global extinction risks converted from Red List categories. We performed molecular phylogenetic analyses of plastid (ptDNA) and nuclear (ITS) DNA datasets, STACEY species delimitation analysis using the multilocus dataset and a measurement of conservation priority with Tuatara. Najas ancistrocarpa was consistently placed in ptDNA and ITS trees. Species delimitation analysis objectively assessed that N. ancistrocarpa is phylogenetically distinct. Phylogenetic conservation prioritization ranked N. ancistrocarpa the second highest priority species of the genus Najas. Overall, in terms of biodiversity conservation, N. ancistrocarpa represents an important Najas species in Japan and probably the world.
学科主题	Biodiversity & Conservation ; Life Sciences & Biomedicine - Other Topics
URL标识	查看原文
语种	英语
公开日期	2018-03-07
内容类型	期刊论文
源URL	[http://ir.xtbg.org.cn/handle/353005/10803]
专题	西双版纳热带植物园_植物系统与保护生物学研究组
推荐引用方式 GB/T 7714	Ito, Yu,Enju, Chigaya,Li, Jie,et al. Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae)[J]. SYSTEMATICS AND BIODIVERSITY,2018,16(1):45-54.
APA	Ito, Yu,Enju, Chigaya,Li, Jie,&Tanaka, Norio.(2018).Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae).SYSTEMATICS AND BIODIVERSITY,16(1),45-54.
MLA	Ito, Yu,et al."Evolutionary distinctiveness and conservation priority of the endangered Najas ancistrocarpa (Hydrocharitaceae)".SYSTEMATICS AND BIODIVERSITY 16.1(2018):45-54.