Introgression dynamics
This extractor provides a plot of the mean introgression level against time. Introgression level are determined using genotypic data, and ranges between 0 (pure Atlantic) and 1 (Pure Mediterranean).
The user can choose if the mean introgression is calculated over the whole selected reaches, or per reach.
Finally, this extractor is groupable: you can use Reach Groupers on this extractor.