Up to 6519.5 generations ago, the population of the X deme was steady at 4804. It then entered a phase of exponential change until 4099.0 generations and size 9674. Following this, there was a exponential reduction to 7078 individuals, lasting until 1350.2788. Since 1350.2788 generations ago, the population has changed from 7078 to 7958 at a exponential pace.
time_units: generations
demes:
  - name: X
    start_time: .inf
    epochs:
      - start_size: 4804
        end_time: 6519.5
      - start_size: 4804
        end_size: 9674
        end_time: 4099.0
        size_function: exponential
      - start_size: 9674
        end_time: 1350.2788
        end_size: 7078
        size_function: exponential
      - end_time: 0
        start_size: 7078
        end_size: 7958
        size_function: exponential