气候变化领域集成服务门户(CCPortal): Genomics-informed models reveal extensive stretches of coastline under threat by an ecologically dominant invasive species

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DOI	10.1073/pnas.2022169118
	Genomics-informed models reveal extensive stretches of coastline under threat by an ecologically dominant invasive species
	Hudson J.; Castilla J.C.; Teske P.R.; Beheregaray L.B.; Haigh I.D.; McQuaid C.D.; Rius M.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:23
英文摘要	Explaining why some species are widespread, while others are not, is fundamental to biogeography, ecology, and evolutionary biology. A unique way to study evolutionary and ecological mechanisms that either limit species' spread or facilitate range expansions is to conduct research on species that have restricted distributions. Nonindigenous species, particularly those that are highly invasive but have not yet spread beyond the introduced site, represent ideal systems to study range size changes. Here, we used species distribution modeling and genomic data to study the restricted range of a highly invasive Australian marine species, the ascidian Pyura praeputialis. This species is an aggressive space occupier in its introduced range (Chile), where it has fundamentally altered the coastal community. We found high genomic diversity in Chile, indicating high adaptive potential. In addition, genomic data clearly showed that a single region from Australia was the only donor of genotypes to the introduced range. We identified over 3,500 km of suitable habitat adjacent to its current introduced range that has so far not been occupied, and importantly species distribution models were only accurate when genomic data were considered. Our results suggest that a slight change in currents, or a change in shipping routes, may lead to an expansion of the species' introduced range that will encompass a vast portion of the South American coast. Our study shows how the use of population genomics and species distribution modeling in combination can unravel mechanisms shaping range sizes and forecast future range shifts of invasive species. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Climate change; Intertidal; Invasion biology; Population genomics; Range expansion
语种	英语
scopus关键词	adult; article; Ascidiacea; Australia; Chile; climate change; genotype; habitat; invasive species; marine species; nonhuman; population genomics; seashore; shipping; species distribution
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/238716
作者单位	School of Ocean and Earth Science, National Oceanography Centre, University of Southampton, Southampton, SO14 3ZH, United Kingdom; Departamento de Ecología and Estación Costera de Investigaciones Marinas, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile; Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, University of Johannesburg, Auckland Park, 2006, South Africa; Molecular Ecology Lab, Flinders University, Bedford Park, SA 5042, Australia; Department of Zoology and Entomology, Rhodes University, Grahamstown, 6140, South Africa
推荐引用方式 GB/T 7714	Hudson J.,Castilla J.C.,Teske P.R.,et al. Genomics-informed models reveal extensive stretches of coastline under threat by an ecologically dominant invasive species[J],2021,118(23).
APA	Hudson J..,Castilla J.C..,Teske P.R..,Beheregaray L.B..,Haigh I.D..,...&Rius M..(2021).Genomics-informed models reveal extensive stretches of coastline under threat by an ecologically dominant invasive species.Proceedings of the National Academy of Sciences of the United States of America,118(23).
MLA	Hudson J.,et al."Genomics-informed models reveal extensive stretches of coastline under threat by an ecologically dominant invasive species".Proceedings of the National Academy of Sciences of the United States of America 118.23(2021).