Initially, the Z deme's population count was 1476 until 6261.0 generations ago, at which point it began a exponential growth until reaching size 4672 in 6221.0 generations. Post this phase, the deme experienced an exponential reduction to 4488 individuals by 4664.3. From 4664.3 generations ago to today, the number of individuals has changed from 4488 to 2319 at a linear growth rate.
time_units: generations
demes:
  - name: Z
    start_time: .inf
    epochs:
      - start_size: 1476
        end_time: 6261.0
      - start_size: 1476
        end_size: 4672
        end_time: 6221.0
        size_function: exponential
      - start_size: 4672
        end_time: 4664.3
        end_size: 4488
        size_function: exponential
      - end_time: 0
        start_size: 4488
        end_size: 2319
        size_function: linear