The population size of Z deme stood at 9996 until a shift at 9188.171 generations ago, leading to a exponential decrease up to 6383.79 generations and 7864 individuals. Following this, there was an exponential change to 9426 individuals by 4776.513. Since 4776.513, the population has seen a linear decreased from 9426 to 442, continuing to the current time.
time_units: generations
demes:
  - name: Z
    start_time: .inf
    epochs:
      - start_size: 9996
        end_time: 9188.171
      - start_size: 9996
        end_size: 7864
        end_time: 6383.79
        size_function: exponential
      - start_size: 7864
        end_time: 4776.513
        end_size: 9426
        size_function: exponential
      - end_time: 0
        start_size: 9426
        end_size: 442
        size_function: linear