| Identification of genetically and oceanographically distinct blooms of jellyfish. | |
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MedLine Citation:
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PMID: 23287405 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Reports of nuisance jellyfish blooms have increased worldwide during the last half-century, but the possible causes remain unclear. A persistent difficulty lies in identifying whether blooms occur owing to local or regional processes. This issue can be resolved, in part, by establishing the geographical scales of connectivity among locations, which may be addressed using genetic analyses and oceanographic modelling. We used landscape genetics and Lagrangian modelling of oceanographic dispersal to explore patterns of connectivity in the scyphozoan jellyfish Rhizostoma octopus, which occurs en masse at locations in the Irish Sea and northeastern Atlantic. We found significant genetic structure distinguishing three populations, with both consistencies and inconsistencies with prevailing physical oceanographic patterns. Our analyses identify locations where blooms occur in apparently geographically isolated populations, locations where blooms may be the source or result of migrants, and a location where blooms do not occur consistently and jellyfish are mostly immigrant. Our interdisciplinary approach thus provides a means to ascertain the geographical origins of jellyfish in outbreaks, which may have wide utility as increased international efforts investigate jellyfish blooms. |
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Authors:
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Patricia L M Lee; Michael N Dawson; Simon P Neill; Peter E Robins; Jonathan D R Houghton; Thomas K Doyle; Graeme C Hays |
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Publication Detail:
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Type: Journal Article Date: 2013-01-03 |
Journal Detail:
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Title: Journal of the Royal Society, Interface / the Royal Society Volume: 10 ISSN: 1742-5662 ISO Abbreviation: J R Soc Interface Publication Date: 2013 Mar |
Date Detail:
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Created Date: 2013-01-04 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101217269 Medline TA: J R Soc Interface Country: England |
Other Details:
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Languages: eng Pagination: 20120920 Citation Subset: IM |
Affiliation:
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Department of Biosciences, College of Science, Swansea University, , Singleton Park, Swansea SA2 8PP, Wales, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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