The D deme had a size of 5203 until 5451.02 generations ago. From 5451.02 generations to time 1126.0, its size changed exponentially to 3458 individuals. After that, until 841.0, the population had a linear change to 4291 individuals. It then changed from 4291 to 6680, starting 841.0 generations ago, until current times, at a exponential rate.
time_units: generations
demes:
  - name: D
    start_time: .inf
    epochs:
      - start_size: 5203
        end_time: 5451.02
      - start_size: 5203
        end_size: 3458
        end_time: 1126.0
        size_function: exponential
      - start_size: 3458
        end_time: 841.0
        end_size: 4291
        size_function: linear
      - end_time: 0
        start_size: 4291
        end_size: 6680
        size_function: exponential