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SHORT COMMUNICATION High gene flow promotes the genetic homogeneity of the
 

Summary: SHORT COMMUNICATION
High gene flow promotes the genetic homogeneity of the
fish goby Pomatoschistus marmoratus (Risso, 1810) from
Mar Menor coastal lagoon and adjacent marine waters
(Spain)
Carlos Vergara-Chen, Mercedes GonzaŽlez-Wanguš emert, ConcepcioŽ n Marcos & AŽ ngel PeŽrez-Ruzafa
Departamento de EcologiŽa e HidrologiŽa, Facultad de BiologiŽa, Universidad de Murcia, Campus de Espinardo, Murcia, Spain
Problem
Coastal lagoons are habitats exposed to wide environ-
mental variations, particularly as regards salinity and
temperature, which may cause strong selective pressures
on organisms. These characteristics suggest that environ-
mental factors directly modify the genetic patterns of spe-
cies (GonzaŽlez-Wangušemert et al. 2006, 2009) and could
contribute to the genetic divergence among populations,
associated with physical and ecological discontinuities
between coastal lagoon and open-coast environments
(Bilton et al. 2002; Iannotta et al. 2008).
The sand goby Pomatoschistus marmoratus (Risso,
1810), a small fish found inshore over sandy bottoms, is

  

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

 

Collections: Environmental Sciences and Ecology; Biology and Medicine