The Z deme held its population size constant at 9692 until 9927.0 generations ago, then experienced a linear reduction up to 1351 individuals by time 8677.5443. This was followed by an exponential increase, resulting in 1418 individuals by 3618.11. From 3618.11 generations onward to the present, the population has been on a linear reduction from 1418 to 355.
time_units: generations
demes:
  - name: Z
    start_time: .inf
    epochs:
      - start_size: 9692
        end_time: 9927.0
      - start_size: 9692
        end_size: 1351
        end_time: 8677.5443
        size_function: linear
      - start_size: 1351
        end_time: 3618.11
        end_size: 1418
        size_function: exponential
      - end_time: 0
        start_size: 1418
        end_size: 355
        size_function: linear