干旱区生态环境知识资源中心(Arid): A phylogeographic study of the stoneplant Conophytum (Aizoaceae; Ruschioideae; Ruschieae) in the Bushmanland Inselberg Region (South Africa) suggests anemochory

Arid

DOI	10.1080/14772000.2019.1571535
	A phylogeographic study of the stoneplant Conophytum (Aizoaceae; Ruschioideae; Ruschieae) in the Bushmanland Inselberg Region (South Africa) suggests anemochory
	Powell, Robyn F.1,2; Magee, Anthony R.2,3; Forest, Felix 4; Cowan, Robyn S.4; Boatwright, J. Stephen 1
通讯作者	Powell, Robyn F.
来源期刊	SYSTEMATICS AND BIODIVERSITY
ISSN	1477-2000
EISSN	1478-0933
出版年	2019
卷号	17 期号:2 页码:110-123
英文摘要	The Bushmanland Inselberg Region (BIR) of South Africa provides an ideal system to study population interactions, as these inselbergs function as islands of Succulent Karoo surrounded by Nama Karoo vegetation. The population genetics of four Conophytum taxa endemic to the quartz-associated habitats of inselbergs in the BIR were investigated using amplified fragment length polymorphisms (AFLP), namely C. marginatum subsp. haramoepense, C. marginatum subsp. marginatum, C. maughanii, and C. ratum. Conophytum marginatum colonizes the quartz outcrops on the summits of the inselbergs, while C. maughanii and C. ratum occupy quartz patches at the summit and base of the inselbergs. A total of 24 populations were sampled to assess genetic differentiation between populations of each species, specifically between summit and base populations of C. ratum, eastern and western populations of C. maughanii and populations of the two subspecies of C. marginatum. Moderate levels of genetic differentiation were recovered between the summit and base populations of C. ratum, with an indication of some genetic connectivity between the populations. Slight differentiation between the eastern and western populations of C. maughanii was recovered, however, this was not reflected in the PCoA and STRUCTURE results. In C. marginatum, no significant genetic differentiation was recovered between populations of the subspecies. These results may reflect evidence of different dispersal mechanisms in the species, with the genetic connectivity between populations of C. ratum possibly indicating dispersal through hygrochastic capsules, while genetic connectivity between populations of C. maughanii and C. marginatum may, for the first time, suggest long-distance dispersal, i.e. anemochory. This study provides the first insights into population interactions across the BIR and highlights the importance of conservation in the region, particularly of the Gamsberg, in light of the recent mining activities.
英文关键词	AFLP arid inselberg system conservation endemic hygrochastic long-distance dispersal quartz Succulent Karoo
类型	Article
语种	英语
国家	South Africa ; England
收录类别	SCI-E
WOS记录号	WOS:000468343100002
WOS关键词	POPULATION-STRUCTURE ; GENETIC-STRUCTURE ; AFLP MARKERS ; DIURNAL POLLINATORS ; SEED DISPERSAL ; EVOLUTION ; DETERMINANTS ; INFERENCE ; SOFTWARE
WOS类目	Biodiversity Conservation ; Biology
WOS研究方向	Biodiversity & Conservation ; Life Sciences & Biomedicine - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/219044
作者单位	1.Univ Western Cape, Dept Biodivers & Conservat Biol, Private Bag X17, Cape Town, South Africa; 2.South African Natl Biodivers Inst, Compton Herbarium, Private Bag X7, ZA-7735 Claremont, South Africa; 3.Univ Johannesburg, Dept Bot & Plant Biotechnol, POB 524,Auckland Pk, ZA-2006 Johannesburg, South Africa; 4.Royal Bot Gardens, Jodrell Lab, Richmond TW9 3DS, Surrey, England
推荐引用方式 GB/T 7714	Powell, Robyn F.,Magee, Anthony R.,Forest, Felix,et al. A phylogeographic study of the stoneplant Conophytum (Aizoaceae; Ruschioideae; Ruschieae) in the Bushmanland Inselberg Region (South Africa) suggests anemochory[J],2019,17(2):110-123.
APA	Powell, Robyn F.,Magee, Anthony R.,Forest, Felix,Cowan, Robyn S.,&Boatwright, J. Stephen.(2019).A phylogeographic study of the stoneplant Conophytum (Aizoaceae; Ruschioideae; Ruschieae) in the Bushmanland Inselberg Region (South Africa) suggests anemochory.SYSTEMATICS AND BIODIVERSITY,17(2),110-123.
MLA	Powell, Robyn F.,et al."A phylogeographic study of the stoneplant Conophytum (Aizoaceae; Ruschioideae; Ruschieae) in the Bushmanland Inselberg Region (South Africa) suggests anemochory".SYSTEMATICS AND BIODIVERSITY 17.2(2019):110-123.