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Assessing global range expansion in a cryptic species complex: insights from the red seaweed genus Asparagopsis (Florideophyceae)

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dc.contributor Fac Sci
dc.contributor Universidad De Malaga
dc.contributor University Of Granada
dc.contributor Dept Ecol & Geol
dc.contributor Univ Valencia
dc.contributor Inbio Res Network Biodivers & Evolutionary Biol
dc.contributor Coll Sci & Engn
dc.contributor Univ Malaga
dc.contributor Biogeog Divers & Conservat Res Team
dc.contributor University Of Hawaii System
dc.contributor James Cook University
dc.contributor Univ Granada
dc.contributor Australian Inst Marine Sci
dc.contributor Univ Hawaii
dc.contributor Dept Bot
dc.contributor Dept Anim Biol
dc.contributor Australian Institute Of Marine Science
dc.contributor Dept Biol Vegetal Bot
dc.contributor Ctr Invest Biodiversidade & Recursos Genet Cibio
dc.contributor University Of Evora
dc.contributor Hellenic Centre For Marine Research
dc.contributor University Of Valencia
dc.contributor James Cook Univ
dc.contributor Univ Evora
dc.contributor Hellen Ctr Marine Res
dc.contributor Fac Farm
dc.contributor Inst Oceanog
dc.contributor.author ANDREAKIS, NIKOS
dc.contributor.author ALTAMIRANO, MARIA
dc.contributor.author DE LA ROSA, JULIO
dc.contributor.author SOUZA-EGIPSY, VIRGINIA
dc.contributor.author TSIAMIS, KONSTANTINOS
dc.contributor.author ZANOLLA, MARIANELA
dc.contributor.author CARMONA, RAQUEL
dc.contributor.author SHERWOOD, ALISON
dc.contributor.author BARBOSA, ANA MARCIA
dc.contributor.author ROMAN MUNOZ, ANTONIO
dc.date.accessioned 2018-02-25T18:52:24Z
dc.date.accessioned 2018-02-25T18:52:24Z
dc.date.accessioned 2019-07-08T02:31:08Z
dc.date.available 2018-02-25T18:52:24Z
dc.date.available 2018-02-25T18:52:24Z
dc.date.available 2019-07-08T02:31:08Z
dc.date.issued 2018-02-01
dc.identifier.citation Zanolla M, Altamirano M, Carmona R, De la Rosa J, Souza-Egipsy V, Sherwood A, Tsiamis K, Barbosa AM, Munoz AR, Andreakis N (2018) Assessing global range expansion in a cryptic species complex: insights from the red seaweed genus Asparagopsis (Florideophyceae). Journal of Phycology 54: 12-24
dc.identifier.issn 0022-3646
dc.identifier.uri http://epubs.aims.gov.au/11068/14380
dc.description.abstract The mitochondrial genetic diversity, distribution and invasive potential of multiple cryptic operational taxonomic units (OTUs) of the red invasive seaweed Asparagopsis were assessed by studying introduced Mediterranean and Hawaiian populations. Invasive behavior of each Asparagopsis OTU was inferred from phylogeographic reconstructions, past historical demographic dynamics, recent range expansion assessments and future distributional predictions obtained from demographic models. Genealogical networks resolved Asparagopsis gametophytes and tetrasporophytes into four A.taxiformis and one A.armata cryptic OTUs. Falkenbergia isolates of A.taxiformis L3 were recovered for the first time in the western Mediterranean Sea and represent a new introduction for this area. Neutrality statistics supported past range expansion for A.taxiformis L1 and L2 in Hawaii. On the other hand, extreme geographic expansion and an increase in effective population size were found only for A.taxiformis L2 in the western Mediterranean Sea. Distribution models predicted shifts of the climatically suitable areas and population expansion for A.armata L1 and A.taxiformis L1 and L2. Our integrated study confirms a high invasive risk for A.taxiformis L1 and L2 in temperate and tropical areas. Despite the differences in predictions among modelling approaches, a number of regions were identified as zones with high invasion risk for A.taxiformis L2. Since range shifts are likely climate-driven phenomena, future invasive behavior cannot be excluded for the rest of the lineages.
dc.description.sponsorship The authors thank R. Crespillo and L. Cruzado for technical assistance at the SCAI (University of Malaga). Some of the analyses of Hawaiian specimens were supported by a U.S. National Science Foundation grant (DEB-0542608) to A.R.S. and G.G. Presting. This work has been funded by projects CGL2008/01549/BOS (Ministerio de Ciencia e Innovacion, Spain), P09-RNM-5187 (Consejeria de Innovacion, Ciencia y Empresa, Junta de Andalucia, Spain), 806/5.03.3553 and 806/5.03.3673 (Instituto de Estudios Ceuties, Spain), and has been developed in the framework of the Research Collaboration Agreement between Consejeria de Medio Ambiente y Ordenacion del Territorio de la Junta de Andalucia and the University of Malaga. A.M.B. is supported by Fundacao para a Ciencia e a Tecnologia, Portugal (post-doctoral contract IF/00266/2013). N.A. is funded through the Commonwealth Environment Research Facilities (CERF) program, an Australian Government initiative supporting world class, public good research. The CERF Marine Biodiversity Hub is a collaborative partnership between the University of Tasmania, CSIRO Wealth from Oceans Flagship, Geoscience Australia, Australian Institute of Marine Science and Museum Victoria. Thanks to Jen, Jess, Condo and Pedro Beca for kindly providing the maps of the Mediterranean and the Hawaiian Islands.
dc.language English
dc.subject Plant Sciences
dc.subject Invasion Risk
dc.subject Distribution Models
dc.subject Rhodophyta
dc.subject Southern Spain
dc.subject Invasive Seaweeds
dc.subject Chlorophyta
dc.subject Climate-change
dc.subject Cryptic
dc.subject Mediterranean Sea
dc.subject Phylogeography
dc.subject Introductions
dc.subject Marine & Freshwater Biology
dc.subject Asparagopsis
dc.subject Hawaiian Archipelago
dc.subject Population-growth
dc.subject Temperature
dc.subject Taxiformis Bonnemaisoniales
dc.title Assessing global range expansion in a cryptic species complex: insights from the red seaweed genus Asparagopsis (Florideophyceae)
dc.type journal article
dc.identifier.doi 10.1111/jpy.12598
dc.identifier.wos WOS:000424094000003


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