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handle: 10803/81854 , 10256/5866
El sistema de 9 loci microsatélites desarrollado en este trabajo resulta muy eficiente para el análisis de la estructura poblacional y la demografía genética de las poblaciones de trucha común (Salmo trutta) en las cuencas del Pirineo. La complejidad de los procesos evolutivos ocurridos durante las glaciaciones del cuaternario en el Pirineo y la diferente escala espacial y temporal en que estos han tenido lugar impiden establecer un patrón general que relacione la estructura poblacional y la demografía genética en las poblaciones de trucha común del Pirineo catalán. Sin embargo, los resultados obtenidos están de acuerdo con la estructura poblacional sugerida para las poblaciones mediterráneas de trucha común, que se consideran constituidas por pequeñas agrupaciones locales interconectadas que constituyen metapoblaciones. En todas las cuencas del Pirineo parece que hay una tendencia a que la estrategia reproductora y la interconexión entre los grupos limiten los efectos perjudiciales de la deriva.
In the present study an amplification and genotyping system for 9 microsatellite loci has been developed and used to genotype brown trout (Salmo trutta) individuals. This system has allowed, on one hand, to efficiently analyze the brown trout population structure from Catalan Pyrenees basins and, on the other, to describe their genetic demography. The complexity of evolutionary processes occurred in the area and the different scale of space-time in which they took place make difficult to draw a general pattern relating structure and genetic demography of brown trout populations in the Catalan Pyrenees. However, results fit with the population structure suggested for the Mediterranean brown trout populations, which consist of small interconnected demes forming metapopulations. In the studied Pyrenean basins, the reproductive strategy and the connectivity between demes mitigate the genetic drift expected from the estimated effective population sizes.
Tesis i dissertacions acadèmiques, Genètica de poblacions, Genética molecular, Population genetics, Brown trout, 59, Genetic demography, 575 - Genètica general. Citogenètica general. Immunogenètica. Evolució. Filogènia, Population structure, Genètica molecular, 575, 59 - Zoologia, Truita comú, Genética de poblaciones, Trucha común, Demografía genética, Salmo trutta, Molecular genetics, Estructura poblacional, Demografia genètica
Tesis i dissertacions acadèmiques, Genètica de poblacions, Genética molecular, Population genetics, Brown trout, 59, Genetic demography, 575 - Genètica general. Citogenètica general. Immunogenètica. Evolució. Filogènia, Population structure, Genètica molecular, 575, 59 - Zoologia, Truita comú, Genética de poblaciones, Trucha común, Demografía genética, Salmo trutta, Molecular genetics, Estructura poblacional, Demografia genètica
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