title: Genetic signs of connectivity in Primula vulgaris (Primulaceae) in a hedgerow network landscape.
abstract: The effects of landscape configuration on the genetic connectivity of the heterostylous species Primula vulgaris Huds. (Primulaceae) were studied using AFLP markers. Isolation by distance pattern was shown by spatial autocorrelation analysis; moreover, hedgerow network distances were found to contribute less than Euclidian distances to spatial genetic structure. Pollen flow is probably the main factor shaping the spatial genetic structure rather than seed dispersal, which is limited in this myrmecochorous species. Detailed analysis on the genetic similarity between neighborhoods and differentiation rates showed that density of hedgerow networks impede gene flow. We therefore concluded that a high degree of habitat contiguity does not necessarily promote genetic connectivity.
authors.affiliation: Unité de recherche IRD (R072) c/o CNRS, Laboratoire évolution, génomes et spéciation, bâtiment 13, BP1, 91198 Gif-sur-Yvette cedex, France.
authors.forename: Pascal
authors.initials: P
authors.lastname: Campagne
authors.forename: Alex
authors.initials: A
authors.lastname: Baumel
authors.forename: Laurence
authors.initials: L
authors.lastname: Affre
authors.forename: Marianick
authors.initials: M
authors.lastname: Juin
authors.forename: Nathalie
authors.initials: N
authors.lastname: Duong
authors.forename: Philip
authors.initials: P
authors.lastname: Roche
authors.forename: Thierry
authors.initials: T
authors.lastname: Tatoni
mesh_terms: D000383:Agriculture; D018744:DNA, Plant / Q000235:genetics; D003627:Data Interpretation, Statistical; D005602:France; D017343:Genes, Plant / Q000502:physiology*; D005819:Genetic Markers; D014644:Genetic Variation; D011058:Pollen / Q000502:physiology; D011110:Polymorphism, Genetic / Q000235:genetics; D031825:Primula / Q000235:genetics*; D012639:Seeds / Q000502:physiology
chemical_list: D018744:DNA, Plant; D005819:Genetic Markers