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Title

Ascidian introductions through the Suez Canal: The casestudy of an Indo-Pacificspecies

AuthorsRius, Marc ; Shenkar, Noa
KeywordsSpecies range
Tunicates
Erythrean invasion
Genetic diversity
Lessepsian migration
Population connectivity
Issue DateOct-2012
PublisherElsevier
CitationMarine Pollution Bulletin 64(10) : 2060–2068 (2012)
AbstractAlthough marine biological invasions via the Suez Canal have been extensively documented, little is known about the introduction of non-indigenous ascidians (Chordata, Ascidiacea), a group containing particularly aggressive invasive species. Here, we used a multidisciplinary approach to study the introduction of the ascidianHerdmania momus into the Mediterranean Sea. We reviewed its taxonomy and global distribution, and analyzed how genetic variation is partitioned between sides of the Suez Canal. The taxonomic revision showed that H. momus currently has a wide Indo-Pacific distribution. Genetic data indicated two well-differentiated colonization histories across the eastern Mediterranean. Our findings suggest that the range expansion of H. momus has been greatly facilitated by the combined effect of human-mediated transport and the species’ ability to adapt to different environments. The integrative approach presented here is critical to attain a holistic understanding of marine biological invasions, especially when studying groups with a poorly resolved taxonomy.
Description9 páginas, 4 tablas, 4 figuras.
Publisher version (URL)http://dx.doi.org/10.1016/j.marpolbul.2012.06.029
URIhttp://hdl.handle.net/10261/59016
DOI10.1016/j.marpolbul.2012.06.029
ISSN0025-326X
Appears in Collections:(CEAB) Artículos
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