Up until 2909.38 generations ago, the population of W deme was constant at 8690. It then entered a linear phase of change until 2272.46 generations, reaching size 5560. This was succeeded by an linear phase of decrease, leading to 4495 by 770.81. From 770.81 generations to present, the population has changed from 4495 to 5225 exponentially.
time_units: generations
demes:
  - name: W
    start_time: .inf
    epochs:
      - start_size: 8690
        end_time: 2909.38
      - start_size: 8690
        end_size: 5560
        end_time: 2272.46
        size_function: linear
      - start_size: 5560
        end_time: 770.81
        end_size: 4495
        size_function: linear
      - end_time: 0
        start_size: 4495
        end_size: 5225
        size_function: exponential