Monthly Archives: October 2015

In the northern biosphere

Posted on 2 Oct, 2015 by Stacy Krueger-Hadfield

As regular readers will know, I’ve spent the summer traveling around the Northern Hemisphere sampling the red seaweed Gracilaria vermiculophylla, an introduced alga in North America and Europe. I’ve rewound to the beginning of the summer in order to highlight our … Continue reading →

Posted in adaptation, blogging, community, haploid-diploid, natural history | Tagged , , , , | 1 Comment

Introgression history in sticklebacks and oaks

Posted on 1 Oct, 2015 by Arun Sethuraman

Speciation theory has many monikers for differential gene flow – migration, introgression, admixture, hybridization, secondary contact. As a homogenizing process, gene flow at large acts to reduce differentiation between populations post-divergence. However, selection and demography affect the rates of gene … Continue reading →

Posted in adaptation, evolution, genomics, natural history, phylogenetics, population genetics, selection, speciation, species delimitation | Tagged , , , , , | 1 Comment