Data from: Range-edge populations of seaweeds show niche unfilling and poor adaptation to increased temperatures

Data used for the study entitled "Range-edge populations of seaweeds show niche unfilling and poor adaptation to increased temperatures". These are the distribution data collected from literature and personal communications to complete the GBIF and OBIS distributional records of the Atlantic European coast, the weekly growth data taken from the study individuals as well as the binomial survival data used for the graphs of the last week of the experiment.