Up until 4807.8081 generations ago, the population of G deme was constant at 2731. It then entered a linear phase of change until 2565.0 generations, reaching size 1931. This was succeeded by an linear phase of change, leading to 445 by 902.16. From 902.16 generations to present, the population has decreased from 445 to 191 exponentially.
time_units: generations
demes:
  - name: G
    start_time: .inf
    epochs:
      - start_size: 2731
        end_time: 4807.8081
      - start_size: 2731
        end_size: 1931
        end_time: 2565.0
        size_function: linear
      - start_size: 1931
        end_time: 902.16
        end_size: 445
        size_function: linear
      - end_time: 0
        start_size: 445
        end_size: 191
        size_function: exponential