The deme of O kept its population at 716 until 9076.0 generations ago, when a exponential change ensued until 6814.564, to size 1422. Subsequently, a linear growth changed the numbers to 4498 individuals by 3753.92. Starting from 3753.92, the population has seen a change from 4498 to 7112 at a linear pace, continuing to this day.
time_units: generations
demes:
  - name: O
    start_time: .inf
    epochs:
      - start_size: 716
        end_time: 9076.0
      - start_size: 716
        end_size: 1422
        end_time: 6814.564
        size_function: exponential
      - start_size: 1422
        end_time: 3753.92
        end_size: 4498
        size_function: linear
      - end_time: 0
        start_size: 4498
        end_size: 7112
        size_function: linear