Sökning: "parapatric speciation"

Hittade 2 avhandlingar innehållade orden parapatric speciation.

  1. 1. The role of Assortative Mating in the Initial Stages of Sympatric and Parapatric Speciation

    Författare :Emma Rova; Mats Björklund; Göran Arnqvist; James Mallet; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Callosobruchus maculatus; host fidelity; assortative mating; inbreeding; experimental evidence; sympatric speciation; parapatric speciation; Biology; Biologi; Biologi med inriktning mot zooekologi; Biology with specialization in Animal Ecology;

    Sammanfattning : Divergence in the face of gene flow is perhaps the most wildly disputed subject among researchers through time. The debate is an old one and we find its origin as far back as the era of Darwin. LÄS MER

  2. 2. Bottlenecks and blowflies : Speciation, reproduction and morphological variation in Lucilia

    Författare :Ann-Britt Florin; Lisa Meffert; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Developmental biology; Population size; speciation; Lucilia sericata; morphological variation; Lucilia illustris; bottlenecks; Utvecklingsbiologi; Developmental biology; Utvecklingsbiologi; Animal Ecology; zooekologi;

    Sammanfattning : This thesis attempts to improve our understanding of the role of population size for the process of speciation. First, the effect of population size on speciation is studied using several meta-analyses of published laboratory experiments. LÄS MER