What is the effect of gene flow origin on the adaptive potential of environmentally marginal populations?

Journal of Ecology has just published a new research article by Morente-López et al. ‘Gene flow effects on populations inhabiting marginal areas: origin matters’. Lead author Javier Morente-López discusses the paper and its implications.  Climate change is causing species to experience new environmental pressures, leading to changes in their distributions and affecting ecological niches. It…