The deme of M kept its population at 3317 until 8748.0 generations ago, when a linear decrease ensued until 6404.0, to size 3226. Subsequently, a exponential change changed the numbers to 1211 individuals by 1372.686. Starting from 1372.686, the population has seen a growth from 1211 to 3090 at a linear pace, continuing to this day.
time_units: generations
demes:
  - name: M
    start_time: .inf
    epochs:
      - start_size: 3317
        end_time: 8748.0
      - start_size: 3317
        end_size: 3226
        end_time: 6404.0
        size_function: linear
      - start_size: 3226
        end_time: 1372.686
        end_size: 1211
        size_function: exponential
      - end_time: 0
        start_size: 1211
        end_size: 3090
        size_function: linear