Up to 8372.1 generations ago, the population of the X deme was steady at 813. It then entered a phase of linear growth until 4192.0 generations and size 6159. Following this, there was a exponential growth to 7391 individuals, lasting until 1033.65. Since 1033.65 generations ago, the population has decreased from 7391 to 1941 at a exponential pace.
time_units: generations
demes:
  - name: X
    start_time: .inf
    epochs:
      - start_size: 813
        end_time: 8372.1
      - start_size: 813
        end_size: 6159
        end_time: 4192.0
        size_function: linear
      - start_size: 6159
        end_time: 1033.65
        end_size: 7391
        size_function: exponential
      - end_time: 0
        start_size: 7391
        end_size: 1941
        size_function: exponential