Identification of genetically and oceanographically distinct blooms of jellyfish

Lee, P.L.M., Dawson, M.N., Neill, S.P., Robins, P.E., Houghton, J.D.R., Doyle, T.K. and Hays, G.C. 2013, Identification of genetically and oceanographically distinct blooms of jellyfish, Journal of the Royal Society Interface, vol. 10, no. 80, pp. 1-11.

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Title Identification of genetically and oceanographically distinct blooms of jellyfish
Author(s) Lee, P.L.M.
Dawson, M.N.
Neill, S.P.
Robins, P.E.
Houghton, J.D.R.
Doyle, T.K.
Hays, G.C.
Journal name Journal of the Royal Society Interface
Volume number 10
Issue number 80
Start page 1
End page 11
Total pages 11
Publisher Royal Society Publishing
Place of publication London, England
Publication date 2013
ISSN 1742-5662
Keyword(s) connectivity
landscape genetics
mitochondrial dna
nuclear dna
Summary 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.
Language eng
Field of Research 070402 Aquatic Ecosystem Studies and Stock Assessment
060299 Ecology not elsewhere classified
060899 Zoology not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013, Royal Society Publishing
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Document type: Journal Article
Collection: School of Life and Environmental Sciences
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