Until 5556.0 generations ago, the A deme's population was fixed at 6534. From 5556.0 to 2708.9, it underwent a linear decrease to 3606 individuals. Then, a exponential change brought the count to 8475 by 2575.319. Since then, from 2575.319 generations to the current day, the population has decreased from 8475 to 7803 at a linear rate.
time_units: generations
demes:
  - name: A
    start_time: .inf
    epochs:
      - start_size: 6534
        end_time: 5556.0
      - start_size: 6534
        end_size: 3606
        end_time: 2708.9
        size_function: linear
      - start_size: 3606
        end_time: 2575.319
        end_size: 8475
        size_function: exponential
      - end_time: 0
        start_size: 8475
        end_size: 7803
        size_function: linear