The deme of E kept its population at 6698 until 9148.0 generations ago, when a linear change ensued until 8990.7645, to size 4650. Subsequently, a exponential change changed the numbers to 7973 individuals by 4478.0. Starting from 4478.0, the population has seen a decrease from 7973 to 524 at a exponential pace, continuing to this day.
time_units: generations
demes:
  - name: E
    start_time: .inf
    epochs:
      - start_size: 6698
        end_time: 9148.0
      - start_size: 6698
        end_size: 4650
        end_time: 8990.7645
        size_function: linear
      - start_size: 4650
        end_time: 4478.0
        end_size: 7973
        size_function: exponential
      - end_time: 0
        start_size: 7973
        end_size: 524
        size_function: exponential