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Mar Biol (2007) 152:793801 DOI 10.1007/s00227-007-0730-0

Summary: Mar Biol (2007) 152:793­801
DOI 10.1007/s00227-007-0730-0
Genetic sub-structure and intermediate optimal outcrossing
distance in the marine angiosperm Zostera marina
Martin R. Billingham · Tiago Simões ·
Thorsten B. H. Reusch · Ester A. Serrão
Received: 12 July 2006 / Accepted: 10 May 2007 / Published online: 5 June 2007
© Springer-Verlag 2007
Abstract The spatial distribution of genetic variability
depends on the spatial patterns of clonal and sexual repro-
duction, gene Xow, genetic drift and natural selection. Spe-
cies with restricted dispersal may exhibit genetic structuring
within populations with immediate neighbours being close
relatives, and may show diVerentiation among populations.
Genetic structuring of a species may have important genetic,
evolutionary and ecological consequences including
distance-dependent mating success. In this study we used
microsatellite markers to show that clones of Zostera


Source: Alberto, Filipe - Centro de Ciencias do Mar, Universidade do Algarve


Collections: Environmental Sciences and Ecology; Biology and Medicine