Initially, the Z deme's population count was 2070 until 9336.33 generations ago, at which point it began a linear increase until reaching size 2991 in 6299.46 generations. Post this phase, the deme experienced an exponential change to 2731 individuals by 1311.8. From 1311.8 generations ago to today, the number of individuals has changed from 2731 to 3131 at a linear growth rate.
time_units: generations
demes:
  - name: Z
    start_time: .inf
    epochs:
      - start_size: 2070
        end_time: 9336.33
      - start_size: 2070
        end_size: 2991
        end_time: 6299.46
        size_function: linear
      - start_size: 2991
        end_time: 1311.8
        end_size: 2731
        size_function: exponential
      - end_time: 0
        start_size: 2731
        end_size: 3131
        size_function: linear