![]() Dans l’ensemble, la diversité génétique semble modeste ( H = 0,30–0,36) et les populations génétiquement similaires. De plus les populations canadiennes diffèrent légèrement, génétiquement. L’analyse des données génétiques et démographiques montre que les populations canadiennes sont moins robustes, avec des plantes de plus petite dimension. purpurea entre trois localités le parc national de l’Île Royale et la péninsule de Keweenaw, au Michigan en Ètats-Unis et le parc provincial de Sleeping Giant, en Ontario au Canada. Les auteurs ont examiné la diversité génétique et morphologique du Sarracenia purpurea L., dans le cadre de la fragmentation naturelle de l’ouest du lac Supérieur. La restauration des populations végétales nécessite une compréhension des adaptations morphologiques à la localisation des sites, ainsi que de la diversité de la génétique des populations et de leur parenté. ![]() This indicates that restoration can take place within the western basin of Lake Superior using a variety of seed sources but regional geology may influence observed plant morphology. Fragmentation did not have a distinguishable effect on genetic diversity and morphological characters but the limestone bedrock geology of the Canadian region may be starting to influence plant morphology and genetic differentiation. Analysis of molecular variance showed only 3.83% of variation among the three locations ( p = 0.0049). ![]() Overall genetic diversity appears moderate ( H = 0.30–0.36) and populations genetically similar. Canadian populations were also slightly distinct genetically. Analysis of genetic and demographic data showed Canadian populations to be less robust with smaller plant sizes. ![]() Populations of S. purpurea were compared among three locations: Isle Royale National Park, the Keweenaw Peninsula, Michigan, USA, and Sleeping Giant Provincial Park, Ontario, Canada. This study examined the genetic and morphological diversity of Sarracenia purpurea L. within the natural fragmentation of western Lake Superior. Restoring plant populations requires an understanding of plant morphological adaptation to site locations and population genetic diversity and relatedness. ![]()
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