Initially, the Z deme maintained a population of 1702 until 5741.465 generations ago. From 5741.465 to 3954.304, its size changed exponentially to population size 2954. A exponential change ensued, culminating in 9247 individuals by 2804.6835. Starting from 2804.6835 generations ago, the population has decreased from 9247 to 4951, at a exponential rate.
time_units: generations
demes:
  - name: Z
    start_time: .inf
    epochs:
      - start_size: 1702
        end_time: 5741.465
      - start_size: 1702
        end_size: 2954
        end_time: 3954.304
        size_function: exponential
      - start_size: 2954
        end_time: 2804.6835
        end_size: 9247
        size_function: exponential
      - end_time: 0
        start_size: 9247
        end_size: 4951
        size_function: exponential