Up to 9887.996 generations ago, the population of the O deme was steady at 3458. It then entered a phase of linear change until 9536.0 generations and size 6516. Following this, there was a exponential change to 2372 individuals, lasting until 4614.0664. Since 4614.0664 generations ago, the population has changed from 2372 to 2104 at a linear pace.
time_units: generations
demes:
  - name: O
    start_time: .inf
    epochs:
      - start_size: 3458
        end_time: 9887.996
      - start_size: 3458
        end_size: 6516
        end_time: 9536.0
        size_function: linear
      - start_size: 6516
        end_time: 4614.0664
        end_size: 2372
        size_function: exponential
      - end_time: 0
        start_size: 2372
        end_size: 2104
        size_function: linear