Until 8445.0 generations ago, the E deme's population was fixed at 4542. From 8445.0 to 6161.1971, it underwent a linear decrease to 861 individuals. Then, a exponential change brought the count to 980 by 4614.3049. Since then, from 4614.3049 generations to the current day, the population has increased from 980 to 9153 at a exponential rate.
time_units: generations
demes:
  - name: E
    start_time: .inf
    epochs:
      - start_size: 4542
        end_time: 8445.0
      - start_size: 4542
        end_size: 861
        end_time: 6161.1971
        size_function: linear
      - start_size: 861
        end_time: 4614.3049
        end_size: 980
        size_function: exponential
      - end_time: 0
        start_size: 980
        end_size: 9153
        size_function: exponential