The S deme's size was 3775 until 8420.16 generations ago, when it began a exponential growth, reaching 8607 individuals by 4907.26. After this period, the population underwent an exponential change, reaching 5125 individuals by 3178.9. From 3178.9 generations ago to now, the population changed from 5125 to 2121 at a exponential rate.
time_units: generations
demes:
  - name: S
    start_time: .inf
    epochs:
      - start_size: 3775
        end_time: 8420.16
      - start_size: 3775
        end_size: 8607
        end_time: 4907.26
        size_function: exponential
      - start_size: 8607
        end_time: 3178.9
        end_size: 5125
        size_function: exponential
      - end_time: 0
        start_size: 5125
        end_size: 2121
        size_function: exponential