Up until 8637.14 generations ago, the population of A deme was constant at 3895. It then entered a linear phase of change until 2850.6861 generations, reaching size 4786. This was succeeded by an linear phase of change, leading to 261 by 2135.5415. From 2135.5415 generations to present, the population has grew from 261 to 357 linearly.
time_units: generations
demes:
  - name: A
    start_time: .inf
    epochs:
      - start_size: 3895
        end_time: 8637.14
      - start_size: 3895
        end_size: 4786
        end_time: 2850.6861
        size_function: linear
      - start_size: 4786
        end_time: 2135.5415
        end_size: 261
        size_function: linear
      - end_time: 0
        start_size: 261
        end_size: 357
        size_function: linear