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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Restricted dispersal of the reef fish Myripristis berndti at the scale of the SW Indian Ocean
Marine Ecology Progress Series, Volume 443, Year 2011
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Description
The reef fish Myripristis berndti (Jordan & Everman 1903) is a pantropical species. A genetic analysis was conducted on 353 individuals from 10 localities distributed across the SW Indian Ocean (SWIO) in order to determine patterns of connectivity in the SWIO. Both the mtDNA sequences (711-bp cytochrome b sequences) and the microsatellites (8 newly developed loci) reveal spatial patterns of differentiation within the SWIO. There is, however, a discrepancy between the structure observed with each kind of marker. MtDNA revealed that 3 peripheral populations (NW Kenya, SE Reunion, and SW Europa) were isolated from the 7 more central populations, which form a more densely connected population network, while microsatellite data indicated a more restricted connectivity with significant differentiation between most pairs of localities. Higher genetic differences between Reunion and Europa were found, which might be explained by geography and isolation by distance pattern. In contrast, the genetic signature of Kenya-the most divergent locality identified by mtDNA basis but not with microsatellite-was probably the consequence of a particular colonisation history. These results indicate a much more restricted connectivity than previously thought for this species. © 2011 Inter-Research.
Authors & Co-Authors
Muths, Delphine
France
Institut Francais Pour la Recherche et L'exploitation de la Mer -delegation de la Reunion
Tessier, Emmanuel
Unknown Affiliation
Gouws, Gavin
South Africa, Grahamstown
South African Institute for Aquatic Biodiversity
Craig, Matthew Thomas
Puerto Rico, Mayaguez
Recinto Universitario de Mayagüez
Mwale, Monica
South Africa, Grahamstown
South African Institute for Aquatic Biodiversity
Mwaluma, James Mwandawiro
Kenya, Mombasa
Kenya Marine and Fisheries Research Institute
Mwandya, Augustine W.
Tanzania, Morogoro
Sokoine University of Agriculture
Bourjea, Jérôme
France
Institut Francais Pour la Recherche et L'exploitation de la Mer -delegation de la Reunion
Statistics
Citations: 43
Authors: 8
Affiliations: 5
Identifiers
Doi:
10.3354/meps09394
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Study Locations
Kenya