The D deme's size was 9992 until 6957.78 generations ago, when it began a linear change, reaching 3253 individuals by 3727.784. After this period, the population underwent an linear change, reaching 7544 individuals by 1224.0. From 1224.0 generations ago to now, the population changed from 7544 to 3461 at a exponential rate.
time_units: generations
demes:
  - name: D
    start_time: .inf
    epochs:
      - start_size: 9992
        end_time: 6957.78
      - start_size: 9992
        end_size: 3253
        end_time: 3727.784
        size_function: linear
      - start_size: 3253
        end_time: 1224.0
        end_size: 7544
        size_function: linear
      - end_time: 0
        start_size: 7544
        end_size: 3461
        size_function: exponential