Up until 6037.0 generations ago, the population of R deme was constant at 8630. It then entered a exponential phase of growth until 4856.381 generations, reaching size 9768. This was succeeded by an linear phase of change, leading to 8344 by 2227.0. From 2227.0 generations to present, the population has decreased from 8344 to 3176 exponentially.
time_units: generations
demes:
  - name: R
    start_time: .inf
    epochs:
      - start_size: 8630
        end_time: 6037.0
      - start_size: 8630
        end_size: 9768
        end_time: 4856.381
        size_function: exponential
      - start_size: 9768
        end_time: 2227.0
        end_size: 8344
        size_function: linear
      - end_time: 0
        start_size: 8344
        end_size: 3176
        size_function: exponential