Up to 9183.0 generations ago, the population of the X deme was steady at 6934. It then entered a phase of exponential reduction until 9068.8 generations and size 1688. Following this, there was a linear change to 9055 individuals, lasting until 1582.2. Since 1582.2 generations ago, the population has changed from 9055 to 1610 at a linear pace.
time_units: generations
demes:
  - name: X
    start_time: .inf
    epochs:
      - start_size: 6934
        end_time: 9183.0
      - start_size: 6934
        end_size: 1688
        end_time: 9068.8
        size_function: exponential
      - start_size: 1688
        end_time: 1582.2
        end_size: 9055
        size_function: linear
      - end_time: 0
        start_size: 9055
        end_size: 1610
        size_function: linear